| Bonk: Brink of Extinction (Dec 10, 2010 prototype) | 10 December 2010 00:24:47 | Xbox 360 | Platformer | ✓ |
| Bonk: Brink of Extinction (Jun 10, 2010 prototype) | 10 June 2010 | Xbox 360 | Platformer | ✓ |
| Bonk: Brink of Extinction (Jun 24, 2010 prototype) | 24 June 2010 | Xbox 360 | Platformer | ✓ |
| Bonk: Brink of Extinction (May 13, 2010 prototype) | 13 May 2010 03:27:14 | Xbox 360 | Platformer | ✓ |
| Bonkers (Aug 25, 1994 prototype) | 25 August 1994 06:47:02 | Sega Mega Drive | Action Platformer | - |
| Bonkers (Aug 29, 1994 prototype) | 29 August 1994 02:16:08 | Sega Mega Drive | Action Platformer | - |
| Bonkers (Aug 4, 1994 prototype) | 4 August 1994 11:46:28 | Sega Mega Drive | Action Platformer | - |
| Bonkers (Mar 28, 1994 prototype) | 5 April 1994 07:00:02 | Sega Mega Drive | Action Platformer | - |
| Bonkers (May 3, 1994 prototype) | 6 May 1994 19:11:48 | Sega Mega Drive | Action Platformer | - |
| Bonkers Wax Up! (Dec 11, 1994 prototype) | 11 December 1994 19:45:16 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 12, 1994 prototype D) | 12 December 1994 18:40:02 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 3, 1994 prototype) | 3 December 1994 22:59:16 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 5, 1994 prototype) | 5 December 1994 09:00:36 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 7, 1994 prototype C) | 7 December 1994 23:52:50 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 8, 1994 prototype B) | 8 December 1994 18:49:32 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Dec 8, 1994 prototype C) | 8 December 1994 21:45:34 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Nov 15, 1994 prototype) | 15 November 1994 09:47:12 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Nov 21, 1994 prototype) | 21 November 1994 09:07:40 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Nov 23, 1994 prototype) | 23 November 1994 14:31:38 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Nov 26, 1994 prototype) | 26 November 1994 12:19:56 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Nov 29, 1994 prototype) | 29 November 1994 21:17:10 | Game Gear | Action Platformer | - |
| Bonkers Wax Up! (Oct 31, 1994 prototype) | 31 October 1994 16:42:22 | Game Gear | Action Platformer | - |
| Boogerman: A Pick and Flick Adventure (Apr, 1996 Prototype) | April 1996 | NES | Platform Game | - |
| Boogie (Jul 2, 2007 prototype) | 2 July 2007 | Nintendo Wii | Rhythm | - |
| Boogie (Jun 26, 2007 prototype) | 26 June 2007 | Nintendo Wii | Rhythm | - |
| Boogie Bunnies (Nov 16, 2007 prototype) | 16 November 2007 | Xbox 360 | Puzzle | - |
| Boogie Bunnies (Nov 20, 2007 prototype) | 20 November 2007 | Xbox 360 | Puzzle | - |
| Boom Boom Rocket (DLC Guitar Pack A prototype) | | Xbox 360 | Rhythm | - |
| Boom Boom Rocket (DLC Guitar Pack B prototype) | | Xbox 360 | Rhythm | - |
| Boom Boom Rocket (Jul 19, 2007 prototype) | 19 July 2007 | Xbox 360 | Rhythm | - |
| Boom Boom Rocket (Jun 17, 2007 prototype) | 17 June 2007 | Xbox 360 | Rhythm | - |
| Boom Boom Rocket (Mar 23, 2007 prototype) | 23 March 2007 | Xbox 360 | Rhythm | - |
| Borderlands (Aug 14, 2009 prototype) | 14 August 2009 | Xbox 360 | Action role-playing, First-person shooter | - |
| Borderlands (Aug 27, 2009 Prototype) | 27 August 2009 19:48:02 | Xbox 360 | Action role-playing, First-person shooter | - |
| Borderlands (Aug 31, 2009 prototype) | 31 August 2009 | Xbox 360 | Action role-playing, First-person shooter | - |
| Borderlands (Patch Data prototype) | | Xbox 360 | Action role-playing, First-person shooter | - |
| Borderlands (Sep 30, 2010 Patch Data prototype) | 30 September 2010 | PlayStation 3 | Action role-playing, First-person shooter | - |
| Borderlands Online (Jan 15, 2015 prototype) | 15 January 2015 | PC | | ✓ |
| Borderlands: The Pre-Sequel! (Jul 17, 2014 prototype) | 17 July 2014 | PC | Role-Playing, First-Person Shooter | - |
| Borderlands: The Pre-Sequel! (Oct 13, 2014 DLC Claptastic Voyage & Ultimate Vault Hunter Upgrade Pack 2 prototype) | 13 October 2014 21:43:00 | PC | Role-Playing, First-Person Shooter | - |
| Borderlands: The Pre-Sequel! (Oct 13, 2014 Patch Data prototype) | 13 October 2014 16:57:20 | PC | Role-Playing, First-Person Shooter | - |
| Borderlands: The Pre-Sequel! (Oct 14, 2014 02.07 Patch Data prototype) | 14 October 2014 02:07:39 | PC | Role-Playing, First-Person Shooter | - |
| Borderlands: The Pre-Sequel! (Oct 14, 2014 22.43 Patch Data prototype) | 14 October 2014 22:43:15 | PC | Role-Playing, First-Person Shooter | - |
| Bottom of the 9th '97 (Apr 18, 1997 prototype) | 18 April 1997 07:42:08 | PlayStation | Sports - Baseball | - |
| Bottom of the 9th '97 (Jul 25, 1997 prototype) | 25 July 1997 00:00:00 | PlayStation | Sports - Baseball | - |
| Bottom of the 9th (Jul 10, 1996 prototype) | 10 July 1996 15:49:46 | Sega Saturn | Sports - Baseball | - |
| Bounced (Lot Check prototype) | | Game Boy Color | Puzzle | ✓ |
| Bouncin' Baby Bunnies (prototype) | | Atari 2600 | | ✓ |
| Bounty Arms (Jan 30, 1995 demo) | 30 January 1995 | PlayStation | Action | ✓ |
| Bounty Hounds (Jun 30, 2006 demo) | 30 June 2006 17:31:38 | PlayStation Portable | Action, Strategy, Role-Playing | - |
| Bounty Sword (May 16, 1995 prototype) | 16 May 1995 | SNES | Role Playing | - |
| Boxing Legends of the Ring (prototype) | | SNES | Sports - Boxing | - |
| Braid (Apr 21, 2008 prototype) | 21 April 2008 | Xbox 360 | Action | - |
| Braid (Jun 24, 2008 prototype) | 24 June 2008 | Xbox 360 | Puzzle, Platformer | - |
| Brain Challenge (Dec 7, 2007 prototype) | 7 December 2007 | Xbox 360 | Edutainment | - |
| Brain Dead 13 (Jun 11, 1996 prototype) | 11 June 1996 | Philips CD-i | FMV | ✓ |
| Brain Pain (Jan 30, 1983 prototype) | 30 January 1983 | Commodore VIC-20 | Puzzle | - |
| Bram Stoker's Dracula (SNES prototype) | | SNES | Platformer | - |
| Brave Fencer Musashi (Aug 31, 1998 prototype) | 31 August 1998 12:56:08 | PlayStation | Action RPG | - |
| Brave Fencer Musashi (Sep 8, 1998 prototype) | 8 September 1998 12:00:00 | PlayStation | Action RPG | - |
| Brave: A Warrior's Tale (Apr 3, 2009 prototype) | 3 April 2009 | Nintendo Wii | Action-adventure | - |
| Brave: A Warrior's Tale (Feb 19, 2009 prototype) | 19 February 2009 | Xbox 360 | Action-adventure | - |
| Brave: A Warrior's Tale (Sep 30, 2008 prototype) | 30 September 2008 | Xbox 360 | Action-adventure | - |
| Brave: The Search for Spirit Dancer (May 9, 2005 prototype) | 9 May 2005 21:43:27 | PlayStation 2 | Platforming | - |
| Braveheart (Jun 19, 1999 prototype) | 19 June 1999 | PC | Strategy | - |
| Breach (May 12, 2010 prototype) | 12 May 2010 | Xbox 360 | First Person Tactical | - |
| Breach (Prototype) | | Sega Mega Drive | Action | ✓ |
| BreakThru! (Game Gear Prototype) | | Game Gear | Puzzle | ✓ |
| Breakdown (Dec 14, 2003 prototype) | 14 December 2003 07:51:37 | Xbox | First-Person Shooter, Action-Adventure | - |
| Breakneck (Feb 5, 1998 prototype) | 5 February 1998 01:01:06 | PlayStation | Racing | ✓ |
| Breakout 2000 (Prototype) | | Atari Jaguar | Puzzle | - |
| Breath of Fire II (Prototype) | | SNES | RPG | - |
| Breath of Fire IV (May 1, 2000 E3 demo) | 1 May 2000 | PlayStation | Role-playing | - |
| Breath of Fire V: Dragon Quarter (Oct 24, 2002 prototype) | 24 October 2002 10:33:54 | PlayStation 2 | Role-playing | - |
| Brett Hull Hockey (Prototype) | | Atari Jaguar | Sports | ✓ |
| Brett Hull NHL Hockey (Prototype) | | Atari Jaguar CD | Sports - Hockey | - |
| Brickcraft (Jun 28, 2012 prototype) | 28 June 2012 | PC | | ✓ |
| Brink (Mar 2, 2011 Prototype) | 2 March 2011 03:22:51 | Xbox 360 | First-person shooter | - |
| Broken Helix (Apr 15, 1997 prototype) | 15 April 1997 22:44:24 | PlayStation | Action Adventure | - |
| Broken Helix (Apr 22, 1997 prototype) | 22 April 1997 20:20:08 | PlayStation | Action Adventure | - |
| Broken Helix (Jan 13, 1997 prototype) | 13 January 1997 13:12:18 | PlayStation | Action Adventure | - |
| Broken Helix (Oct 7, 1996 prototype) | 7 October 1996 15:08:06 | PlayStation | Action Adventure | - |
| Broken Sword: The Shadow of the Templars (Oct 1, 1997 prototype) | 1 October 1997 16:27:10 | PlayStation | Action Adventure | - |
| Brooklyn Stories (Feb 12, 2010 Dev demo) | 12 February 2010 | PlayStation 3 | | ✓ |
| Brothers in Arms: Earned in Blood (Aug 1, 2005 prototype) | 1 August 2005 | PlayStation 2 | First-person shooter | - |
| Brothers in Arms: Hell's Highway (May 09, 2008 Prototype) | 9 May 2008 02:54:45 | Xbox 360 | Strategy, First-Person Shooter | - |
| Brothers in Arms: Road to Hill 30 (Feb 12, 2005 prototype) | 12 February 2005 05:13:14 | PlayStation 2 | First-person shooter | - |
| Brothers in Arms: Road to Hill 30 (Feb 15, 2005 prototype) | 15 February 2005 16:29:48 | Xbox | First-person shooter | - |
| Brothers in Arms: Road to Hill 30 (Nov 18, 2004 prototype) | 18 November 2004 03:15:24 | Xbox | First-person shooter | - |
| Brothers: A Tale of Two Sons (Apr 2, 2013 prototype) | 2 April 2013 | Xbox 360 | Action Adventure | - |
| Brothers: A Tale of Two Sons (Apr 3, 2013 prototype) | 3 April 2013 | Xbox 360 | Action Adventure | - |
| Brothers: A Tale of Two Sons (Mar 18, 2013 prototype) | 18 March 2013 | Xbox 360 | Action Adventure | - |
| Brunswick Pro Bowling (April 2nd, 2007 prototype) | 2 April 2007 14:42:46 | PlayStation 2 | Sports | - |
| Brutal: Paws of Fury (SNES prototype) | | SNES | Fighting | - |
| Brute Force (Apr 10, 2003 prototype) | 10 April 2003 00:02:08 | Xbox | Third-Person Shooter | - |
| Brütal Legend (DLC HAMMER OF INFINITE FATE prototype) | | Xbox 360 | Real-Time Strategy, Action-Adventure | - |
| Bubble Bobble (Dec 28, 1990 prototype) | 28 December 1990 | Game Boy | Arcade | - |
| Bubble Bobble (Game Gear Prototype) | | Game Gear | Puzzle | - |
| Bubble Bobble (NES Prototype) | | NES | Arcade | - |
| Bubble Bobble II (Dec 13, 1993 prototype) | 13 December 1993 15:50:00 | Arcade | Puzzle | - |
| Bubble Bobble II (Jan 30, 1997 prototype) | 30 January 1997 00:30:38 | PlayStation | Puzzle | ✓ |
| Bubble Bobble Neo! (Apr 9, 2009 prototype) | 9 April 2009 03:52:46 | Xbox 360 | Puzzle | - |
| Bubble Bobble Neo! (DLC prototype) | | Xbox 360 | | ✓ |
| Bubble Bobble Neo! (Jun 10, 2009 prototype) | 10 June 2009 | Xbox 360 | Puzzle, Platformer | - |
| Bubble Game (Apr 22, 2008 prototype) | 22 April 2008 | Xbox 360 | Puzzle | - |
| Bubble Ghost (Prototype) | | Game Boy | Puzzle | - |
| Bubble and Squeak (PAL prototype) | | Sega Mega Drive | Platform | - |
| Bubsy 3D (Mar 13, 1997 prototype) | 13 March 1997 11:15:18 | PlayStation | Platformer | - |
| Bubsy II (Jul 12, 1994 prototype) | 12 July 1994 | SNES | Platform | - |
| Bubsy II (Nov 10, 1994 prototype) | 10 November 1994 | Game Boy | Platformer | - |
| Bubsy in Claws Encounters of the Furred Kind (Prototype A) | | SNES | Platformer | - |
| Bubsy in Claws Encounters of the Furred Kind (Prototype B) | | SNES | Platformer | - |
| Bud Redhead: The Time Chase (Test version) | | PC | Platformer | - |
| Budokan - The Martial Spirit (Sep 25, 1990 prototype) | 25 September 1990 19:09:38 | Sega Mega Drive | Sports | - |
| Buffy the Vampire Slayer (Apr 2, 2002 prototype) | 2 April 2002 15:50:28 | Xbox | Beat-Em-Up | - |
| Buffy the Vampire Slayer (Jun 25, 2002 prototype) | 25 June 2002 23:49:50 | Xbox | Beat-Em-Up | - |
| Buffy the Vampire Slayer: Chaos Bleeds (Jul 4, 2003 prototype) | 4 July 2003 02:18:06 | PlayStation 2 | Beat-em-Up | - |
| Bug Bash (Mar 23, 2007 prototype) | 23 March 2007 | Xbox 360 | Arcade | ✓ |
| Bug Blasters: The Exterminators (Jan 23, 1995 prototype) | 23 January 1995 16:12:35 | Sega CD | Shoot-'em-Up | ✓ |
| Bug Too! (Aug 12, 1996 prototype) | 12 August 1996 15:53:30 | Sega Saturn | Platformer | - |
| Bug Too! (Nov 8, 1996 prototype) | 8 November 1996 01:14:22 | Sega Saturn | Platformer | - |
| Bug! (Jun 14, 1995 prototype) | 14 June 1995 15:48:47 | Sega Saturn | Platformer | - |
| Bugs Bunny & Taz: Time Busters (Aug 13, 2000 prototype) | 13 August 2000 22:42:56 | PlayStation | Platformer | - |
| Bugs Bunny & Taz: Time Busters (Aug 5, 2000 prototype) | 5 August 2000 19:26:12 | PlayStation | Platformer | - |
| Bugs Bunny (Aug 4, 1983 prototype) | 4 August 1983 | Atari 2600 | | ✓ |
| Bugs Bunny (Jun 20, 1983 prototype) | | Atari 2600 | | ✓ |
| Bugs Bunny: Private Eye (1991 prototype) | 1991 | Commodore 64 | Platform | ✓ |
| Bugs Bunny: Private Eye (Nov 26, 1992 prototype) | 26 November 1992 | Commodore 64 | Platform | ✓ |
| Build Database PS3 (A prototype) | | PlayStation 3 | | ✓ |
| Build Database PS3 (B prototype) | | PlayStation 3 | | ✓ |
| Bujingai: The Forsaken City (Nov 2, 2003 prototype) | 2 November 2003 | PlayStation 2 | | - |
| Buku Sudoku (DLC Puzzle Pack 1 A prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (DLC Puzzle Pack 1 B prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (DLC Puzzle Pack 2 prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (DLC Puzzle Pack 3 prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (DLC Puzzle Pack 4 prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (DLC Puzzle Pack 5 prototype) | | Xbox 360 | Puzzle | - |
| Buku Sudoku (Dec 27, 2007 prototype) | 27 December 2007 | Xbox 360 | Puzzle | - |
| Bullet Soul (Sep 14, 2010 prototype) | 14 September 2010 06:28:38 | Xbox 360 | Action | - |
| Bullet Witch (Jan 9, 2007 Prototype) | 9 January 2007 22:30:17 | Xbox 360 | Third Person Shooter | - |
| Bullet Witch (Nov 1, 2006 Prototype) | 1 November 2006 23:41:04 | Xbox 360 | Third Person Shooter | - |
| Bulletstorm (Apr 8, 2010 prototype) | 8 April 2010 23:36:38 | Xbox 360 | First Person Shooter | - |
| Bulletstorm (Aug 31, 2011 prototype) | 31 August 2011 | Xbox 360 | FPS | - |
| Bulletstorm (DLC Bonus XP 01 prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Echopack 01 prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Echopack 02 prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Leash Colors 01 prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Leash Colors 02 prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC PMC Pre-order Skin prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Pre-Order Boot Skin prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (DLC Pre-Order Character Skin prototype) | | Xbox 360 | FPS | ✓ |
| Bulletstorm (Dec 20, 2010 Prototype) | 20 December 2010 15:53:14 | Xbox 360 | FPS | - |
| Bulletstorm (May 15, 2010 prototype) | 15 May 2010 00:27:05 | Xbox 360 | First Person Shooter | - |
| Bully: Scholarship Edition (Debug Build) | | Nintendo Wii | Action-Adventure | - |
| Bully: Scholarship Edition (Jan 11, 2008 prototype) | 11 January 2008 | Nintendo Wii | Action-Adventure | - |
| Bully: Scholarship Edition (Late Build) | | Nintendo Wii | Action-Adventure | - |
| Bully: Scholarship Edition (Nov 13, 2007 prototype) | 13 November 2007 | Nintendo Wii | Action-Adventure | - |
| Bully: Scholarship Edition (Nov 16, 2007 prototype) | 16 November 2007 | Nintendo Wii | Action-Adventure | - |
| BurgerTime: World Tour (Jul 7, 2011 prototype) | 7 July 2011 | Xbox 360 | Action | - |
| Burn (Jan 12, 2012 prototype) | 12 January 2012 16:59:15 | Xbox 360 | Action | ✓ |
| Burn (Jan 24, 2012 prototype) | 24 January 2012 16:48:57 | Xbox 360 | Action | ✓ |
| Burn Out (Prototype) | 7 January 1995 | Atari Jaguar | Racing | - |
| Burning Fists: Force Striker (Dec 7, 1993 prototype) | 7 December 1993 09:12:08 | Sega CD | Action | ✓ |
| Burning Rangers (Dec 1, 1997 prototype) | | Sega Saturn | Action | - |
| Burning Rangers (Jan 3, 1998 prototype) | | Sega Saturn | Action | - |
| Burnout (Jan 3, 2002 prototype) | 3 January 2002 | PlayStation 2 | Racing | - |
| Burnout (Mar 21, 2002 prototype) | 21 March 2002 | Xbox | Racing | - |
| Burnout (Mar 6, 2002 prototype) | 6 March 2002 | Nintendo GameCube | Racing | - |
| Burnout (Mar 7, 2002 prototype) | 7 March 2002 19:56:49 | Xbox | Racing | - |
| Burnout (Oct 1, 2001 demo) | 1 October 2001 04:35:12 | PlayStation 2 | Racing | - |
| Burnout (September 12, 2001 prototype) | 12 September 2001 17:16:54 | PlayStation 2 | Racing | - |
| Burnout 2: Point of Impact (Aug 31, 2002 22.44.32 prototype) | 31 August 2002 22:44:32 | PlayStation 2 | Racing | - |
| Burnout 2: Point of Impact (Aug 31, 2002 prototype) | 31 August 2002 | PlayStation 2 | | - |
| Burnout 2: Point of Impact (Aug 5, 2002 prototype) | 5 August 2002 18:20:32 | PlayStation 2 | Racing | - |
| Burnout 2: Point of Impact (Aug 6, 2002 demo) | 6 August 2002 13:00:34 | PlayStation 2 | | - |
| Burnout 2: Point of Impact (Jul 27, 2002 prototype) | 27 July 2002 18:53:57 | PlayStation 2 | Racing | - |
| Burnout 2: Point of Impact (Jul 29, 2002 prototype) | 29 July 2002 | PlayStation 2 | Racing | - |
| Burnout 2: Point of Impact (Mar 28, 2003 prototype) | 28 March 2003 17:20:19 | Xbox | | - |
| Burnout 3: Takedown (Apr 28, 2004 demo) | 28 April 2004 05:19:46 | PlayStation 2 | | - |
| Burnout 3: Takedown (Jul 20, 2004 11.11 prototype) | 20 July 2004 11:11:00 | PlayStation 2 | Racing | - |
| Burnout 3: Takedown (Jul 20, 2004 11.14 prototype) | 20 July 2004 11:14:24 | PlayStation 2 | Racing | - |
| Burnout 3: Takedown (Jun 21, 2004 demo) | 21 June 2004 02:37:27 | PlayStation 2 | | - |
| Burnout 3: Takedown (Jun 22, 2004 prototype) | 22 June 2004 22:03:45 | Xbox | Racing, Action | - |
| Burnout 3: Takedown (Jun 8, 2004 prototype) | 8 June 2004 18:20:40 | PlayStation 2 | Racing | - |
| Burnout 3: Takedown (May 29, 2004 demo) | 29 May 2004 08:28:33 | PlayStation 2 | | - |
| Burnout Crash! (Mar 1, 2011 prototype) | 1 March 2011 | PlayStation 3 | Action | - |
| Burnout Crash! (Mar 10, 2011 prototype) | 10 March 2011 15:57:49 | Xbox 360 | Arcade | - |
| Burnout Crash! (May 12, 2011 prototype) | 12 May 2011 15:22:18 | Xbox 360 | Arcade | - |
| Burnout Dominator (Jan 31, 2007 prototype) | 31 January 2007 | PlayStation 2 | Racing | - |
| Burnout Paradise (ASIA demo) | | PlayStation 3 | Racing | - |
| Burnout Paradise (Dec 3, 2007 demo) | 3 December 2007 | PlayStation 3 | Racing | - |
| Burnout Paradise (Feb 22, 2007 prototype) | 22 February 2007 13:20:06 | Xbox 360 | Racing | - |
| Burnout Paradise (Jan 30, 2008 prototype) | 30 January 2008 18:48:45 | Xbox 360 | Racing | - |
| Burnout Paradise (Nov 12, 2007 demo) | 12 November 2007 | Xbox 360 | Racing | - |
| Burnout Paradise (Nov 13, 2006 prototype) | 13 November 2006 16:14:46 | Xbox 360 | Racing | - |
| Burnout Paradise (Nov 2, 2007 prototype) | 2 November 2007 15:41:50 | Xbox 360 | Racing | - |
| Burnout Paradise (Nov 28, 2007 prototype) | 28 November 2007 | Xbox 360 | Racing | - |
| Burnout Paradise (Nov 30, 2007 prototype) | 30 November 2007 11:15:20 | PlayStation 3 | Racing | - |
| Burnout Paradise (Nov 5, 2007 demo) | 5 November 2007 | PlayStation 3 | Racing | - |
| Burnout Paradise (Nov 7, 2007 demo) | 7 November 2007 15:48:07 | PlayStation 3 | Racing | - |
| Burnout Paradise (Oct 31, 2007 PlayStation 3 prototype) | 31 October 2007 16:48:36 | PlayStation 3 | Racing | - |
| Burnout Paradise (Oct 31, 2007 Xbox 360 prototype) | 31 October 2007 16:48:19 | Xbox 360 | Racing | - |
| Burnout Revenge (Aug 4, 2005 prototype) | 4 August 2005 16:04:15 | PlayStation 2 | Racing | - |
| Burnout Revenge (Aug 9, 2005 prototype) | 9 August 2005 08:41:16 | PlayStation 2 | Racing | - |
| Burnout Revenge (Feb 7, 2006 prototype) | 7 February 2006 | Xbox 360 | Racing | - |
| Burnout Revenge (Jul 14, 2005 prototype) | 14 July 2005 00:48:04 | PlayStation 2 | Racing | - |
| Burnout Revenge (Jul 2, 2005 13.05 demo) | 2 July 2005 13:05:41 | Xbox | Racing | - |
| Burnout Revenge (Jul 2, 2005 6.24 demo) | 2 July 2005 06:24:41 | PlayStation 2 | Racing | - |
| Burnout Revenge (Jul 7, 2005 demo) | 7 July 2005 11:03:28 | PlayStation 2 | Racing | - |
| Burnout Revenge (Jun 10, 2005 demo) | 10 June 2005 02:23:55 | PlayStation 2 | Racing | - |
| Burnout Revenge (Jun 17, 2005 demo) | 17 June 2005 10:40:37 | Xbox | Racing | - |
| Burnout Revenge (Jun 29, 2005 demo) | 29 June 2005 | PlayStation 2 | Racing | - |
| Burnout Revenge (Jun 9, 2005 demo) | 9 June 2005 11:14:15 | Xbox | Racing | - |
| Burnout Revenge (May 29, 2005 demo) | 29 May 2005 07:56:39 | Xbox | Racing | - |
| Bushido Warrior (May 25, 1988 prototype) | 25 May 1988 | Amstrad CPC | RPG | ✓ |
| Bust A Groove 2 (May 25, 2000 prototype) | 25 May 2000 13:35:38 | PlayStation | Rhythm | - |
| Bust a Groove (Aug 27, 1998 prototype) | 27 August 1998 | PlayStation | Music, fighting | - |
| Bust a Groove (Jul 30, 1998 prototype) | 30 July 1998 21:06:02 | PlayStation | Rhythm - Dancing | - |
| Bust-A-Move '99 (Aug 28, 1998 prototype) | 28 August 1998 13:44:36 | Nintendo 64 | Puzzle | - |
| Bust-a-Move Pocket (Prototype) | | Neo Geo Pocket Color | Puzzle | - |
| Buster Bros. Collection (Jul 13, 1996 prototype) | 13 July 1996 17:01:06 | PlayStation | Compilation | - |
| Buster Bros. Collection (Sep 29, 1995 prototype) | 29 September 1995 03:57:44 | PlayStation | Compilation | - |
| Buster Brothers (Prototype) | | Game Boy | Platformer | - |
| Busy Scissors (Prototype) | | Nintendo DS | | - |
| Buzz & Waldog (Prototype B) | | NES | | ✓ |
| Buzz & Waldog (Prototype) | | NES | | ✓ |
| Buzz Lightyear of Star Command (May 8, 2000 prototype) | 8 May 2000 14:39:14 | PlayStation | Action | - |
| Buzz! Junior: RoboJam (Jan 12, 2007 prototype) | 12 January 2007 17:33:14 | PlayStation 2 | Action-Strategy | - |
| Buzz! Junior: RoboJam (Mar 14, 2007 prototype) | 14 March 2007 15:02:32 | PlayStation 2 | Action-Strategy | - |
| Buzz! Master Quiz (Jul 25, 2008 prototype) | 25 July 2008 15:01:53 | PlayStation Portable | Quiz | - |
| Buzz! Quiz TV (May 2, 2008 prototype) | 2 May 2008 | PlayStation 3 | Trivia/Board Game | - |
| Buzz! Quiz World (Aug 26, 2009 prototype) | 26 August 2009 | PlayStation 3 | Trivia/Board Game | - |
| Buzz! Quiz World (Jan 22, 2009 prototype) | 22 January 2009 | PlayStation 3 | Trivia/Board Game | - |
| Buzz! Quiz World (Sep 3, 2009 A prototype) | 3 September 2009 | PlayStation 3 | Trivia/Board Game | - |
| Buzz! Quiz World (Sep 3, 2009 B prototype) | 3 September 2009 | PlayStation 3 | Trivia/Board Game | - |
| Buzz! The Sports Quiz (Sep 7, 2006 prototype) | 7 September 2006 07:50:34 | PlayStation 2 | | - |
| C-12: Final Resistance (Dec 19, 2000 prototype) | 19 December 2000 15:35:28 | PlayStation | Action | - |
| C-12: Final Resistance (May 5, 2000 prototype) | 5 May 2000 | PlayStation | Action | - |
| C: The Contra Adventure (Apr 22, 1998 prototype) | 22 April 1998 20:56:26 | PlayStation | 3D Shooter, Run-N-Gun | - |
| C: The Contra Adventure (Jun 12, 1998 prototype) | 12 June 1998 17:55:10 | PlayStation | 3D Shooter, Run-N-Gun | - |
| CART Precision Racing (Sep 29, 1997 prototype) | 29 September 1997 18:37:34 | PC | Racing | - |
| CD-I Prototype Disc - Philips Interactive Media Systems Presents Some Technical Aspects of CD-I | 1 September 1988 | Philips CD-i | FMV | ✓ |
| CJ: Elephant Fugitive (Oct 22, 1993 prototype) | 22 October 1993 | Game Gear | Action | - |
| Cabbage Patch Kids: Adventures in the Park (Aug 21, 1984 prototype) | 21 August 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (ColecoVision prototype A) | | ColecoVision | Platformer | - |
| Cabbage Patch Kids: Adventures in the Park (ColecoVision prototype B) | | ColecoVision | Platformer | - |
| Cabbage Patch Kids: Adventures in the Park (Jul 27, 1984 prototype) | 27 July 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Jun 14, 1984 prototype) | 14 June 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Jun 1984 prototype) | | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Jun 29, 1984 prototype) | 29 June 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Jun 30, 1984 build) | 30 June 1984 | ColecoVision | Platformer | - |
| Cabbage Patch Kids: Adventures in the Park (May 24, 1984 prototype) | 24 May 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Sep 13, 1984 prototype A) | 13 September 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Sep 13, 1984 prototype B) | 13 September 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Sep 4, 1984 prototype) | 4 September 1984 | Atari 2600 | Platformer | ✓ |
| Cabbage Patch Kids: Adventures in the Park (Sep 7, 1984 prototype) | 7 September 1984 | Atari 2600 | Platformer | ✓ |
| Cadillac (sample) | | NES | | - |
| Cadillacs and Dinosaurs: The Second Cataclysm (1995 prototype) | 1995 | PC | | - |
| Caesar's Palace (Prototype B) | | NES | Gambling | - |
| Caesars Palace (Jul 29, 1997 prototype) | 29 July 1997 23:11:44 | PlayStation | Gambling | - |
| Caesars Palace Advance: Millennium Gold Edition (Prototype) | | Game Boy Advance | Casino | - |
| Caesars World of Gambling (Feb 5, 1992 prototype) | 5 February 1992 10:59:34 | Philips CD-i | Gambling | - |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype A) | | Nintendo 3DS | Cooking | - |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype B) | | Nintendo 3DS | Cooking | - |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype C) | | Nintendo 3DS | Cooking | - |
| Calculator (prototype) | | Game Boy | Other | ✓ |
| California Games II (Cartridge Prototype) | | SNES | Sports | - |
| California Speed (Apr 26, 1999 prototype) | 26 April 1999 | Nintendo 64 | Racing | - |
| Call of Cthulhu: Destiny's End (May 15, 2005 prototype) | 15 May 2005 | PlayStation 2 | Action | ✓ |
| Call of Duty (Aug 15, 2003 prototype) | 15 August 2003 | PC | First-Person Shooter | - |
| Call of Duty (Aug 20, 2003 demo) | 19 August 2003 | PC | First-Person Shooter | - |
| Call of Duty (Jul 30, 2004 prototype) | 30 July 2004 | N-Gage | FPS | - |
| Call of Duty (Sep 15, 2004 prototype) | 15 September 2004 | N-Gage | FPS | - |
| Call of Duty (Sep 4, 2003 demo) | 3 September 2003 | PC | First-Person Shooter | - |
| Call of Duty 2 (DLC Invasion Pack prototype) | | Xbox 360 | First-Person Shooter | - |
| Call of Duty 2 (DLC Skirmish Pack prototype) | | Xbox 360 | First-Person Shooter | - |
| Call of Duty 2 (Dec 16, 2005 prototype) | 16 December 2005 | Xbox 360 | Action | - |
| Call of Duty 2 (Nov 12, 2005 demo) | 12 November 2005 | Xbox 360 | Action | - |
| Call of Duty 2 (Oct 9, 2005 prototype) | 9 October 2005 | Xbox 360 | Action | - |
| Call of Duty 2 (Sep 21, 2005 prototype) | 21 September 2005 | Xbox 360 | Action | - |
| Call of Duty 2 (Sep 22, 2005 demo) | 22 September 2005 00:13:44 | PC | Action | - |
| Call of Duty 2 (Sep 22, 2005 prototype) | 22 September 2005 | Xbox 360 | Action | - |
| Call of Duty 2 (Sep 26, 2005 prototype) | 26 September 2005 | Xbox 360 | Action | - |
| Call of Duty 3 (DLC Bravo Map Pack prototype) | | Xbox 360 | First-Person Shooter | - |
| Call of Duty 3 (Nov 5, 2006 demo) | 5 November 2006 | Xbox 360 | First-Person Shooter | - |
| Call of Duty 4: Modern Warfare (Apr 11, 2007 prototype) | 11 April 2007 | Xbox 360 | Shooter | - |
| Call of Duty 4: Modern Warfare (DLC Winter Crash Bonus Map prototype) | | Xbox 360 | First-Person Shooter | ✓ |
| Call of Duty 4: Modern Warfare (July 25, 2007 Multiplayer Prototype) | 25 July 2007 12:34:56 | Xbox 360 | FPS | - |
| Call of Duty 4: Modern Warfare (Jun 11, 2007 prototype) | 11 June 2007 | Xbox 360 | Shooter | - |
| Call of Duty 4: Modern Warfare (Mar 23, 2007 prototype) | 23 March 2007 | Xbox 360 | Shooter | - |
| Call of Duty 4: Modern Warfare (May 4, 2007 prototype) | 4 May 2007 | Xbox 360 | Shooter | - |
| Call of Duty 4: Modern Warfare (Sep 19, 2007 demo) | 19 September 2007 | PC | Shooter | - |
| Call of Duty 4: Modern Warfare (Sep 7, 2007 prototype) | 7 September 2007 | Xbox 360 | Shooter | - |
| Call of Duty Black Ops (Sep 26, 2011 Prototype) | 26 September 2011 | Xbox 360 | Shooter | - |
| Call of Duty: Advanced Warfare (May 3, 2013 Prototype) | 3 May 2013 | Xbox 360 | FPS | - |
| Call of Duty: Advanced Warfare (Sep 16, 2014 Prototype) | 16 September 2014 19:48:57 | Xbox 360 | FPS | - |
| Call of Duty: Advanced Warfare (Sep 4, 2014 Prototype) | 4 September 2014 00:27:21 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops (DLC First Strike prototype) | | Xbox 360 | First-Person Shooter | - |
| Call of Duty: Black Ops (Feb 2, 2011 demo) | 2 February 2011 | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops (Jan 30, 2011 EU demo) | 30 January 2011 | PlayStation 3 | Shooter | - |
| Call of Duty: Black Ops (Jan 30, 2011 USA demo) | 30 January 2011 | PlayStation 3 | Shooter | - |
| Call of Duty: Black Ops (PAL QA Patch Data 1.01 prototype) | | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Black Ops (PAL QA Patch Data 1.02 prototype) | | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Black Ops (Sep 4, 2010 Multiplayer Prototype) | 4 September 2010 02:08:37 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops (Sep 6, 2010 Multiplayer Prototype) | 6 September 2010 02:11:27 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops (USA QA Patch Data 1.01 prototype) | | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Black Ops (USA QA Patch Data 1.02 prototype) | | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Black Ops - Cold War (Jun 4, 2020 prototype) | 4 June 2020 | PC | First-Person Shooter | - |
| Call of Duty: Black Ops - Cold War (Oct 11, 2020 Multiplayer prototype) | 11 October 2020 | Xbox One | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Feb 23, 2017 prototype) | 23 February 2017 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Mar 2, 2017 prototype) | 2 March 2017 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Mar 3, 2017 prototype) | 3 March 2017 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Mar 7, 2017 prototype) | 7 May 2017 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Sep 11, 2018 prototype) | 11 September 2018 | Xbox One | First-Person Shooter | - |
| Call of Duty: Black Ops 4 (Sep 12, 2018 prototype) | 12 September 2018 | PC | First-Person Shooter | - |
| Call of Duty: Black Ops Declassified (Oct 2, 2015 prototype) | 2 October 2015 | PlayStation Vita | First-Person Shooter | - |
| Call of Duty: Black Ops II (Aug 10, 2013 Multiplayer prototype) | 10 August 2013 | Xbox 360 | First-Person Shooter | - |
| Call of Duty: Black Ops II (Aug 21, 2012 Multiplayer Prototype) | 21 August 2012 12:00:58 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops II (Feb 26, 2013 Multiplayer prototype) | 26 February 2013 | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops II (July 20, 2012 Multiplayer Prototype) | 20 July 2012 23:39:14 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops II (July 23, 2012 Multiplayer Prototype) | 23 July 2012 06:09:40 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops II (Jun 11, 2013 Multiplayer prototype) | 11 June 2013 02:46:39 | Xbox 360 | First-Person Shooter | - |
| Call of Duty: Black Ops II (Nov 15, 2011 Prototype) | 15 November 2011 | Xbox 360 | FPS | - |
| Call of Duty: Black Ops II (Nov 5, 2012 DLC Nuketown Zombies prototype) | 5 November 2012 16:51:36 | PC | Shooter | - |
| Call of Duty: Black Ops II (November 7, 2012 Prototype) | 7 November 2012 15:54:29 | PC | | - |
| Call of Duty: Black Ops II (Oct 18, 2012 prototype) | 18 October 2012 | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops II (Oct 2, 2012 prototype) | 2 October 2012 | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops II (Patch Data prototype) | | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops II (Sep 5, 2013 prototype) | 6 September 2013 | Xbox 360 | Shooter | - |
| Call of Duty: Black Ops II Assets of Incomplete Builds | | Xbox 360 | | - |
| Call of Duty: Black Ops III (Apr 13, 2015 Multiplayer prototype) | 13 April 2015 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops III (Aug 17, 2015 Multiplayer prototype) | 17 August 2015 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Black Ops III (Aug 21 2015 Multiplayer prototype) | 21 August 2015 | PC | First-Person Shooter | - |
| Call of Duty: Black Ops III (Aug 26, 2015 Multiplayer prototype) | 26 August 2015 | PC | First-Person Shooter | - |
| Call of Duty: Future Warfare (Dec 18, 2011 prototype) | 18 December 2011 21:02:16 | Xbox 360 | FPS | ✓ |
| Call of Duty: Ghosts (Aug 29, 2013 prototype) | 29 August 2013 | Xbox 360 | FPS | - |
| Call of Duty: Ghosts (July 19, 2013 prototype) | 19 July 2013 | Xbox 360 | FPS | - |
| Call of Duty: Ghosts (Mar 18, 2014 EU Multiplayer demo) | 18 March 2014 21:36:56 | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Ghosts (Mar 18, 2014 USA Multiplayer demo) | 18 March 2014 21:36:56 | PlayStation 3 | First-Person Shooter | - |
| Call of Duty: Ghosts (Mar 7, 2014 Multiplayer demo) | 7 March 2014 | Xbox 360 | First-Person Shooter | - |
| Call of Duty: Ghosts (May 21, 2013 prototype) | 21 May 2013 | Xbox 360 | FPS | - |
| Call of Duty: Ghosts (May 9, 2013 prototype) | 9 May 2013 | Xbox 360 | FPS | - |
| Call of Duty: Ghosts (Sep 2, 2013 prototype) | 2 September 2013 | Xbox 360 | FPS | - |
| Call of Duty: Ghosts (Sep 23, 2013 Multiplayer) | 23 September 2013 | Xbox 360 | First-person shooter | - |
| Call of Duty: Ghosts (Sep 9, 2013 prototype) | 9 September 2013 | Xbox 360 | FPS | - |
| Call of Duty: Infinite Warfare (Oct 1, 2016 Multiplayer prototype) | 1 October 2016 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Infinite Warfare (Oct 19, 2016 Multiplayer prototype) | 19 October 2016 | Xbox One | First-Person Shooter | - |
| Call of Duty: Infinite Warfare (Oct 7, 2016 Multiplayer prototype) | 7 October 2016 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare (Aug 2, 2019 Multiplayer prototype) | 2 August 2019 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Modern Warfare (Sep 12, 2019 Multiplayer prototype) | 12 September 2019 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare (Sep 16, 2019 Multiplayer prototype) | 16 September 2019 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare (Sep 19, 2019 Multiplayer prototype) | 19 September 2019 | PC | First-Person Shooter | - |
| Call of Duty: Modern Warfare 2 (Jul 13, 2009 prototype) | 13 July 2009 | Xbox 360 | FPS | - |
| Call of Duty: Modern Warfare 2 (Jul 9, 2010 demo) | 9 July 2010 18:44:00 | Xbox 360 | First Person Shooter | - |
| Call of Duty: Modern Warfare 3 (June 7, 2012 demo) | 7 June 2012 16:03:53 | PlayStation 3 | Shooter | - |
| Call of Duty: Modern Warfare 3 (Oct 11, 2011 Prototype) | 11 October 2011 | Xbox 360 | FPS | - |
| Call of Duty: Modern Warfare 3 (Patch Data prototype) | | Xbox 360 | FPS | - |
| Call of Duty: Modern Warfare 3 (Sep 19, 2011 Prototype) | 19 September 2011 | Xbox 360 | FPS | - |
| Call of Duty: Modern Warfare II (Sep 15, 2022 Multiplayer prototype) | 15 September 2022 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare II (Sep 18, 2022 A Multiplayer prototype) | 18 September 2022 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare II (Sep 18, 2022 B Multiplayer prototype) | 18 September 2022 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare II (Sep 6, 2022 Multiplayer prototype) | 6 September 2022 | Xbox One | First-Person Shooter | - |
| Call of Duty: Modern Warfare III (Oct 9, 2023 Multiplayer prototype) | 9 October 2023 | PC | First-Person Shooter | - |
| Call of Duty: Modern Warfare Reflex Edition (prototype) | | Nintendo Wii | First-Person Shooter | - |
| Call of Duty: Modern Warfare Remastered (Jun 16, 2016 prototype) | 16 February 2016 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: United Offensive (Sep 10, 2004 demo) | 10 September 2004 | PC | Action, First-Person Shooter | - |
| Call of Duty: Vanguard (May 20, 2021 prototype) | 20 May 2021 | PlayStation 4 | First-Person Shooter | - |
| Call of Duty: Vanguard (Sep 12, 2021 Multiplayer prototype) | 12 September 2021 | Xbox One | First-Person Shooter | - |
| Call of Duty: Vanguard (Sep 4, 2021 Multiplayer prototype) | 4 September 2021 | Xbox One | First-Person Shooter | - |
| Call of Duty: WWII (Aug 27, 2017 Multiplayer prototype) | 27 August 2017 | Xbox One | First-Person Shooter | - |
| Call of Duty: WWII (Sep 28, 2017 Multiplayer prototype) | 28 September 2017 | PC | First-Person Shooter | - |
| Call of Duty: World at War (Aug 2, 2009 Patch Data prototype) | 2 August 2009 | PlayStation 3 | Action, First-Person Shooter | - |
| Call of Duty: World at War (Jun 3, 2009 Multiplayer demo) | 3 June 2009 | PlayStation 3 | Shooter | - |
| Call of Duty: World at War (Mar 27, 2007 Prototype) | 27 March 2007 11:42:01 | Xbox 360 | FPS | - |
| Call of Duty: World at War (May 11, 2007 prototype) | 11 May 2007 | Xbox 360 | Shooter | - |
| Call of Duty: World at War (Oct 16, 2008 Multiplayer prototype) | 16 October 2008 17:59:09 | Xbox 360 | Shooter | - |
| Call of Duty: World at War (Oct 25, 2008 Multiplayer prototype) | 26 October 2008 | PC | Shooter | - |
| Call of Duty: World at War (Patch Data prototype) | | Xbox 360 | Shooter | - |
| Call of Duty: World at War (Sep 25, 2008 Multiplayer Prototype) | 25 September 2008 19:31:31 | Xbox 360 | FPS | - |
| Call of Duty: World at War (Sep 27, 2008 prototype) | 27 September 2008 20:14:00 | Xbox 360 | Shooter | - |
| Call of Juarez (DLC GatewayDark prototype) | | Xbox 360 | Action, Adventure, First-Person Shooter | ✓ |
| Call of Juarez (DLC MineExtra prototype) | | Xbox 360 | Action, Adventure, First-Person Shooter | ✓ |
| Call of Juarez: Bound in Blood (Mar 7, 2009 prototype) | 7 March 2009 09:46:13 | Xbox 360 | FPS | - |
| Call of Juarez: Bound in Blood (May 16, 2009 prototype) | 16 May 2009 00:00:00 | Xbox 360 | First Person Shooter | - |
| Call of Juarez: Gunslinger (Apr 4, 2013 prototype) | 4 April 2013 | Xbox 360 | FPS | - |
| Call of Juarez: Gunslinger (Mar 4, 2013 prototype) | 4 March 2013 | Xbox 360 | FPS | - |
| Call of Juarez: Gunslinger (Nov 13, 2013 prototype) | 13 November 2013 | PC | FPS | - |
| Call of Juarez: The Cartel (May 16, 2011 prototype) | 16 May 2011 00:00:00 | Xbox 360 | First Person Shooter | - |
| Caltron 9-in-1 (Prototype) | | NES | | ✓ |
| Camera demo (May 27, 2010 prototype) | 27 May 2010 | Nintendo 3DS | | ✓ |
| Camera demo (May 28, 2010 prototype) | 28 May 2010 | Nintendo 3DS | | ✓ |
| Camera demo (May 31, 2010 prototype) | 31 May 2010 | Nintendo 3DS | | ✓ |
| Cannon Fodder (Prototype) | | Game Boy Color | Action | - |
| Cannon Spike (May 15, 2000 prototype) | 15 May 2000 16:09:44 | Dreamcast | Shooter | - |
| Capcom Classics Collection Vol. 1 (Aug 16, 2005 16.13 prototype) | 16 August 2005 16:13:02 | PlayStation 2 | Compilation | - |
| Capcom Classics Collection Vol. 1 (Aug 16, 2005 23.12 prototype) | 16 August 2005 23:12:21 | Xbox | Arcade Compilation | - |
| Capcom Classics Collection Vol. 1 (May 12, 2005 prototype) | 12 May 2005 09:01:42 | Xbox | Arcade Compilation | - |
| Capcom Classics Collection Vol. 2 (Jul 5, 2006 prototype) | 5 July 2006 22:50:29 | PlayStation 2 | Compilation | - |
| Capcom Classics Collection Vol. 2 (Sep 8, 2006 prototype) | 8 September 2006 23:31:13 | Xbox | Arcade Compilation | - |
| Capcom Fighting Evolution (Jan 31, 2005 prototype) | 31 January 2005 00:31:10 | Xbox | Fighting | - |
| Capcom Fighting Evolution (Mar 23, 2005 prototype) | 23 March 2005 01:28:35 | Xbox | Fighting | - |
| Capcom Fighting Evolution (Oct 29, 2004 prototype) | 29 October 2004 16:06:49 | PlayStation 2 | Fighting | - |
| Capcom Fighting Evolution (Sep 29, 2004 prototype) | 29 September 2004 09:36:34 | PlayStation 2 | Fighting | - |
| Capcom Fighting Evolution (Sep 8, 2004 prototype) | 8 September 2004 11:35:36 | PlayStation 2 | Fighting | - |
| Capcom vs. SNK 2: Mark of the Millennium 2001 (Jul 24, 2001 prototype) | 24 July 2001 06:15:58 | PlayStation 2 | Fighting | - |
| Capcom vs. SNK: Millennium Fight 2000 (Jul 17, 2000 prototype) | 17 July 2000 00:00:00 | Dreamcast | Fighting | - |
| Capcom vs. SNK: Millennium Fight 2000 (Sep 20, 2000 prototype) | 20 September 2000 00:00:00 | Dreamcast | Fighting | - |
| Capcom's Soccer Shootout (prototype) | | SNES | Sports - Soccer | - |
| Captain Harlock (Non Interactive Demo) | | Game Boy Advance | Role Playing | ✓ |
| Captain Novolin (Prototype) | | SNES | Educational | - |
| Captain Quazar (Sep 21, 1995 prototype) | 21 September 1995 | 3DO | Shooter | - |
| Captain Silver (Prototype) | | Sega Master System | Action | - |
| Car Playground (July 12, 2005 prototype) | | PC | Racing | ✓ |
| Carcassonne (Apr 19, 2007 prototype) | 19 April 2007 | Xbox 360 | Board Game | - |
| Carcassonne (Aug 22, 2007 prototype) | 22 August 2007 | Xbox 360 | Board Game | - |
| Carcassonne (Jun 4, 2007 prototype) | 4 June 2007 | Xbox 360 | Strategy, Trivia/Board Game | - |
| Cardinal Syn (Dec 14, 1997 prototype) | 15 December 1997 06:20:38 | PlayStation | Fighting | - |
| Cardinal Syn (Feb 27, 1998 prototype) | 27 February 1998 23:37:10 | PlayStation | Fighting | - |
| Care Bears (prototype) | | Atari 2600 | | ✓ |
| Carl Lewis Athletics 2000 (Prototype) | | Game Boy Color | Sports | - |
| Carmageddon (GBC prototype) | | Game Boy Color | Simulation | - |
| Carmageddon (Prototype) | | Gizmondo | Vehicular combat | ✓ |
| Carmageddon TDR 2000 (prototype) | | Game Boy Color | | ✓ |
| Carmageddon: Crude Awakening (Dec 12, 2007 prototype) | 11 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 13, 2007 prototype) | 13 December 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 18, 2007 prototype) | 18 December 2007 12:28:20 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 19, 2007 prototype) | 19 December 2007 12:39:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 20, 2007 prototype) | 20 December 2007 15:51:15 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 21, 2007 prototype) | 21 December 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Dec 22, 2007 prototype) | 22 December 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 1, 2008 prototype) | 1 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 11, 2008 15.29 prototype) | 11 February 2008 15:29:14 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 11, 2008 23.55 prototype) | 11 February 2008 23:55:12 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 11, 2008 prototype) | 11 February 2008 15:29:14 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 12, 2008 A prototype) | 12 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 12, 2008 B prototype) | 12 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 15, 2008 A prototype) | 15 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 15, 2008 B prototype) | 15 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 22, 2008 A prototype) | 22 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 22, 2008 B prototype) | 22 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 4, 2008 prototype) | 4 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 6, 2008 A prototype) | 6 February 2008 16:08:30 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Feb 6, 2008 B prototype) | 6 February 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 10, 2008 prototype) | 10 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 11, 2008 prototype) | 11 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 16, 2008 A prototype) | 16 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 16, 2008 B prototype) | 16 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 16, 2008 C prototype) | 16 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 16, 2008 prototype) | 16 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 17, 2008 prototype) | 17 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 18, 2008 16.49 prototype) | 18 January 2008 16:49:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 18, 2008 17.22 prototype) | 18 January 2008 17:22:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 18, 2008 A prototype) | 18 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 18, 2008 B prototype) | 18 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 18, 2008 prototype) | 16 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 2, 2008 15.12 prototype) | 2 January 2008 15:12:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 2, 2008 16.42 prototype) | 2 January 2008 16:42:54 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 2, 2008 19.26 prototype) | 2 January 2008 19:26:28 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 22, 2008 19.48 prototype) | 22 January 2008 19:48:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 22, 2008 21.59 prototype) | 22 January 2008 21:59:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 22, 2008 A prototype) | 22 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 22, 2008 B prototype) | 22 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 22, 2008 prototype) | 22 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 23, 2008 A prototype) | 23 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 23, 2008 prototype) | 23 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 24, 2008 13.08 prototype) | 24 January 2008 13:08:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 24, 2008 16.17 prototype) | 24 January 2008 16:17:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 25, 2008 16.43 prototype) | 25 January 2008 16:43:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 25, 2008 17.58 prototype) | 25 January 2008 17:58:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 25, 2008 prototype) | 25 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 13.09 prototype) | 28 January 2008 13:09:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 13.46 prototype) | 28 January 2008 13:46:24 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 16.25 prototype) | 28 January 2008 16:25:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 18.10 prototype) | 28 January 2008 18:10:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 21.04 prototype) | 24 January 2008 21:04:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 28, 2008 23.32 prototype) | 28 January 2008 23:32:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 31, 2008 prototype) | 31 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 6, 2008 prototype) | 6 January 2008 21:42:46 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 7, 2008 13.00 prototype) | 7 January 2008 12:26:25 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 7, 2008 19.00 prototype) | 7 January 2008 19:00:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 7, 2008 20.00 prototype) | 7 January 2008 20:00:00 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 8, 2008 B prototype) | 8 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 8, 2008 prototype) | 8 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jan 9, 2008 prototype) | 9 January 2008 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jul 4, 2007 prototype) | 4 July 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jun 12, 2007 prototype) | 12 June 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jun 26, 2007 prototype) | 26 June 2007 18:46:32 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Jun 28, 2007 prototype) | 28 June 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 22, 2007 prototype) | 22 May 2007 13:29:47 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 23, 2007 prototype) | 23 May 2007 16:36:47 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 24, 2007 prototype) | 24 May 2007 14:45:34 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 27, 2007 prototype) | 27 May 2007 08:44:11 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 30, 2007 prototype) | 30 May 2007 05:45:04 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 31, 2007 prototype) | 31 May 2007 08:45:02 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (May 9, 2007 prototype) | 9 May 2007 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Nov 26, 2007 prototype) | 26 November 2007 16:13:22 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Nov 6, 2007 prototype) | 6 November 2007 23:13:18 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Nov 7, 2007 prototype) | 7 November 2007 12:08:25 | Xbox 360 | Action | ✓ |
| Carmageddon: Crude Awakening (Nov 8, 2007 prototype) | 8 November 2007 | Xbox 360 | Action | ✓ |
| Carnage Heart (May 10, 1996 prototype) | 10 May 1996 10:28:48 | PlayStation | Strategy | - |
| Carnival Island (Aug 23, 2011 prototype) | 23 August 2011 | PlayStation 3 | Minigame Collection | - |
| Carnivalé (Game Boy Color prototype) | | Game Boy Color | Racing | ✓ |
| Carnivalé: Cenzo's Adventure (Jul 21, 2000 prototype) | 21 July 2000 | Nintendo 64 | Action | ✓ |
| Carol Vorderman's Sudoku (Jul 20, 2006 prototype) | 20 July 2006 09:24:19 | PlayStation Portable | Puzzle | - |
| Carol Vorderman's Sudoku (Jun 7, 2006 prototype) | 7 June 2006 16:08:20 | PlayStation 2 | Puzzle | - |
| Carrera (prototype) | | Game Boy Color | Racing | ✓ |
| Carrier (May 10, 1999 prototype) | 10 May 1999 | Dreamcast | Survival Horror | - |
| Cars: Mater-National Championship (Prototype) | | Nintendo Wii | Racing | - |
| Cartoon Network Block Party (Jun 17, 2003 prototype) | 17 June 2003 | Game Boy Advance | Party | - |
| Casino Tycoon (Sep 17, 2001 prototype) | 17 September 2001 00:25:30 | PC | Simulation | - |
| Casper (Game Boy Prototype) | | Game Boy | Action adventure | - |
| Casper and the Ghostly Trio (Apr 3, 2006 prototype) | 3 April 2006 | PlayStation 2 | Platform | - |
| Casper and the Ghostly Trio (Mar 13, 2006 prototype) | 13 March 2006 | PlayStation 2 | Platform | - |
| Casper and the Ghostly Trio (Mar 23, 2006 prototype) | 23 March 2006 | PlayStation 2 | Platform | - |
| Casper's Scare School: Spooky Sports Day (Aug 8, 2008 prototype) | 8 August 2008 06:21:48 | Nintendo DS | Action | - |
| Casper's Scare School: Spooky Sports Day (May 20, 2008 prototype) | 20 May 2008 12:07:36 | Nintendo DS | Action | - |
| Casper's Scare School: Spooky Sports Day (Sep 16, 2008 prototype) | 16 September 2008 06:21:48 | Nintendo DS | Action | - |
| Castle of Illusion: Starring Mickey Mouse (May 25, 1990 prototype) | 25 May 1990 | Sega Master System | Action | - |
| Castle of Magic (EU prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP JA prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP KOR A prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP KOR B prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP KOR C prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP KOR D prototype) | | Nintendo DSi | Platformer | - |
| Castle of Magic (JP KOR E prototype) | | Nintendo DSi | Platformer | - |
| Castle of Shikigami III (Feb 12, 2008 prototype) | 12 February 2008 | Nintendo Wii | Scrolling shooter | - |
| Castle of the Winds (Dec 3, 1991 prototype) | 3 December 1991 | PC | Roguelike | - |
| Castle of the Winds (Jan 24, 1991 prototype) | 24 January 1991 | PC | Roguelike | - |
| Castlequest (Prototype) | | NES | Platformer | - |
| Castlevania Bloodlines (Aug 4, 1993 prototype) | 4 August 1993 | Sega Mega Drive | Platform | - |
| Castlevania Bloodlines (Oct 3, 1993 Prototype) | 3 October 1993 | Sega Mega Drive | | - |
| Castlevania Judgment (Prototype) | | Nintendo Wii | Action | - |
| Castlevania: Harmony of Despair (Apr 12, 2010 prototype) | 12 April 2010 | Xbox 360 | Action Adventure | - |
| Castlevania: Harmony of Despair (Dev demo) | | PlayStation 3 | Platformer, Action-Adventure | - |
| Castlevania: Harmony of Despair (Jul 9, 2010 prototype) | 9 July 2010 | Xbox 360 | Action Adventure | - |
| Castlevania: Lament of Innocence (Aug 14, 2003 prototype) | 14 August 2003 23:24:08 | PlayStation 2 | Action Adventure | - |
| Castlevania: Lords of Shadow (Jul 24, 2010 prototype) | 24 July 2010 | Xbox 360 | Action-adventure, Platformer | - |
| Castlevania: Lords of Shadow (PAL QA Patch Data 1.01 prototype) | | PlayStation 3 | Action, Action-Adventure | - |
| Castlevania: Lords of Shadow (Sep 13, 2010 prototype) | 13 September 2010 14:53:33 | Xbox 360 | Action | - |
| Castlevania: Resurrection (Nov 5, 1999 prototype) | 5 November 1999 | Dreamcast | Action-adventure, platforming | ✓ |
| Castlevania: Symphony of the Night (Feb 19, 2007 prototype) | 19 February 2007 | Xbox 360 | Action Adventure | - |
| Castlevania: Symphony of the Night (Game.com Prototype) | 1999 | Game.com | Action | ✓ |
| Castlevania: Symphony of the Night (Jun 17, 1997 prototype) | 18 June 1997 08:33:38 | PlayStation | Action/RPG | - |
| Castlevania: Symphony of the Night (Mar 6, 2007 prototype) | 6 March 2007 | Xbox 360 | Action | - |
| Castlevania: The Dracula X Chronicles (Jan 30, 2007 prototype) | 30 January 2007 | PlayStation Portable | Platform-adventure | - |
| Cat Trax (prototype) | | Atari 2600 | | ✓ |
| Catan (Mar 28, 2007 prototype) | 28 March 2007 | Xbox 360 | Card game | - |
| Catan (May 3, 2005 prototype) | 3 May 2005 12:16:12 | N-Gage | Turn-based strategy | - |
| Catapult (Prototype) | | Gizmondo | Action | ✓ |
| Cate West: The Vanishing Files (Prototype) | | Nintendo Wii | Mystery | - |
| Caterpillar (Jul 13, 2010 prototype) | 13 July 2010 | PlayStation Portable | | - |
| Caterpillar (Jul 16, 2010 prototype) | 16 July 2010 | PlayStation Portable | | - |
| Catrap (prototype) | | Game Boy | Puzzle | - |
| Catwoman (Jun 15, 2004 prototype) | 15 June 2004 16:36:23 | Xbox | Action-adventure | - |
| Cave Dude (Prototype) | | Game Gear | Action | ✓ |
| Caveman Ninja: Joe & Mac (Prototype) | | NES | Platformer | - |
| Caves of Fear CD (Prototype) | | Atari Jaguar CD | FMV | ✓ |
| Cel Damage (Aug 23, 2001 prototype) | 23 August 2001 04:55:36 | Xbox | | - |
| Center Ring Boxing (Sep 26, 1995 prototype) | 26 September 1995 12:09:50 | Sega Saturn | Fighting | - |
| Centipede & Millipede (Mar 29, 2007 prototype) | 29 March 2007 | Xbox 360 | Compilation | - |
| Centipede (prototype) | | Atari 2600 | Fixed Shooter | - |
| Centurion - Defender of Rome (Apr 24, 1991 build) | 24 April 1991 16:13:40 | Sega Mega Drive | Strategy | - |
| Chakan - The Forever Man (Oct 6, 1992 build) | 6 October 1992 10:20:42 | Sega Mega Drive | Platformer | - |
| Chameleon Twist 2 (Feb 1, 1999 build) | 1 February 1999 | Nintendo 64 | Platformer | - |
| Champions World Class Soccer (Mar 18, 1994 prototype) | 18 March 1994 | Sega Mega Drive | Sports - Soccer | - |
| Champions of Norrath (Aug 20, 2003 prototype) | 20 August 2003 17:53:38 | PlayStation 2 | Action RPG | - |
| Champions of Norrath (Dec 11, 2003 prototype) | 11 December 2003 01:20:00 | PlayStation 2 | Action RPG | - |
| Champions: Return to Arms (Jul 24, 2004 prototype) | 24 July 2004 07:13:00 | PlayStation 2 | Action role-playing, hack and slash | - |
| Champions: Return to Arms (Sep 9, 2004 prototype) | 9 September 2004 19:32:00 | PlayStation 2 | Action role-playing, hack and slash | - |
| Championship Manager 2007 (DLC Challenge Mode Scenarios prototype) | | Xbox 360 | Soccer | - |
| Championship Manager 2007 (DLC January 2007 Database Update prototype) | | Xbox 360 | Soccer | ✓ |
| Championship Manager 2007 (DLC National Geographic PDLC1 prototype) | | Xbox 360 | Soccer | ✓ |
| Championship Manager 2008 (Oct 15, 2007 prototype) | 15 October 2007 05:54:51 | PC | Simulation, Soccer | - |
| Championship Manager 2010 (Prototype) | | PlayStation Portable | Sports | - |
| Championship Manager 4 (Feb 3, 2003 prototype) | 3 February 2003 11:15:19 | PC | Strategy, Sports, Simulation | - |
| Championship Motocross 2001 featuring Ricky Carmichael (Dec 8, 2000 prototype) | 8 December 2000 | PlayStation | Racing | - |
| Championship Surfer (Aug 15, 2000 prototype) | 15 August 2000 22:02:34 | Dreamcast | Sports - Surfing | - |
| Chaos Control (May 29, 1996 prototype) | 29 May 1996 | Sega Saturn | Rail shooter | - |
| Chaos Control (Oct 14, 1994 prototype) | 14 October 1994 | Philips CD-i | Rail shooter | - |
| Chaos Control (Oct 3, 1994 prototype) | 3 October 1994 | Philips CD-i | Rail shooter | - |
| Chaos Drop (Mar 10, 1993 prototype) | 10 March 1993 13:24:34 | SNES | Platformer | ✓ |
| Chaos Drop (Mar 3, 1993 prototype) | 3 March 1993 07:32:44 | SNES | Platformer | ✓ |
| Chaos Drop (prototype) | | SNES | Platformer | ✓ |
| Charge 'N Blast (Jul 11, 2000 prototype) | 11 July 2000 00:00:00 | Dreamcast | Action | - |
| Charge 'N Blast (Sep 29, 2000 prototype) | 29 September 2000 00:00:00 | Dreamcast | Action | - |
| Chariot Race (prototype) | | Commodore VIC-20 | Arcade | - |
| Chase the Express (Apr 27, 2000 prototype) | 27 April 2000 15:21:32 | PlayStation | Action Adventure | - |
| Chavez (prototype) | | SNES | Sports | - |
| Checkered Flag (CES 1993 prototype) | August 1993 | Atari Jaguar | Racing | - |
| Chelnov (Jul 23, 1997 prototype) | 23 July 1997 13:41:20 | Sega Saturn | Action | ✓ |
| Chessmaster 7000 (Sep 17, 1999 prototype) | 17 September 1999 | PC | | - |
| Chessmaster Live (DLC Breaking the Lines prototype) | | Xbox 360 | Trivia/Board Game | - |
| Chessmaster Live (Dec 21, 2007 prototype) | 21 December 2007 | Xbox 360 | Trivia/Board Game | - |
| Chester Cheetah: Wild Wild Quest (Lynchmob prototype) | | SNES | | - |
| Chester Field: Ankoku Shin heno Chousen (Prototype) | | NES | Action | - |
| Chester Field: Ankoku Shin heno Chousen (US prototype) | | NES | Action | - |
| Chibi Maruko-chan: Mezase! Minami no Island!! (Prototype) | | SNES | Action | - |
| Chicago Enforcer (Nov 8, 2004 prototype) | 8 November 2004 | Xbox | | - |
| Chicago Enforcer (Sep 11, 2004 prototype) | 11 September 2004 01:03:07 | Xbox | First-Person Shooter | - |
| Chicago Syndicate (Jul 10, 1995 prototype) | 10 July 1995 16:29:00 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 11, 1995 prototype) | 11 July 1995 17:24:06 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 19, 1995 prototype) | 19 July 1995 16:41:32 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 20, 1995 prototype) | 20 July 1995 15:45:16 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 21, 1995 prototype B) | 21 July 1995 17:43:06 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 21, 1995 prototype) | 21 July 1995 11:57:16 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 27, 1995 prototype) | 27 July 1995 10:20:48 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 3, 1995 prototype) | 3 July 1995 21:26:08 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 5, 1995 prototype) | 5 July 1995 22:12:20 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jul 6, 1995 prototype) | 6 July 1995 22:12:46 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 1, 1995 prototype) | 1 June 1995 19:02:08 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 12, 1995 prototype) | 12 June 1995 18:08:16 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 14, 1995 prototype) | 14 June 1995 19:14:42 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 19, 1995 prototype) | 19 June 1995 21:28:26 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 20, 1995 prototype) | 20 June 1995 19:59:32 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 22, 1995 prototype) | 22 June 1995 17:45:20 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 26, 1995 prototype) | 26 June 1995 18:45:58 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 28, 1995 prototype) | 27 June 1995 23:26:34 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 29, 1995 prototype B) | 29 June 1995 22:41:06 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 29, 1995 prototype) | 29 June 1995 00:31:34 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 30, 1995 prototype B) | 30 June 1995 16:10:36 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 5, 1995 prototype) | 5 June 1995 21:41:40 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 7, 1995 prototype) | 7 June 1995 09:13:40 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Jun 8, 1995 prototype) | 8 June 1995 17:45:00 | Game Gear | Beatem Up | - |
| Chicago Syndicate (Mar 20, 1995 prototype) | 20 March 1995 | Game Gear | Action | - |
| Chicago Syndicate (May 5, 1995 prototype) | 5 May 1995 17:53:08 | Game Gear | Beatem Up | - |
| Chicane: Jenson Button Street Racing (Prototype) | | Gizmondo | Racing | - |
| Chicken Challenge (Oct 21, 1982 prototype) | 21 October 1982 | Commodore VIC-20 | Arcade | - |
| Chicken Challenge (Super Frog prototype) | October 1982 | Commodore VIC-20 | Arcade | - |
| Chicken Run (Jul 7, 2000 prototype) | 7 July 2000 | PlayStation | Action Adventure | - |
| Chicken Run (Oct 16, 2000 prototype) | 16 October 2000 16:08:30 | Dreamcast | Action Adventure | - |
| Chicken Run (Sep 30, 2000 prototype) | 30 September 2000 18:08:52 | PlayStation | Action Adventure | - |
| Chili Con Carnage (Sep 23, 2006 prototype) | 23 September 2006 20:19:43 | PlayStation Portable | Action | - |
| Chill (Jan 19, 1998 prototype) | 19 January 1998 15:27:47 | Sega Saturn | Sports | ✓ |
| Chill (Sep 30, 1997 prototype) | 30 September 1997 17:11:54 | PlayStation | Sports - Snowboarding | - |
| Chime (May 28, 2009 prototype) | 28 May 2009 | Xbox 360 | Rhythm | - |
| Chip 'N Dale: Rescue Rangers (Prototype) | | NES | Action | - |
| Chip's Challenge (v0.924B prototype) | | NES | Puzzle | ✓ |
| Choplifter HD (Aug 5, 2011 prototype) | 5 August 2011 20:38:50 | Xbox 360 | Shoot Em Up | - |
| Choplifter HD (Dec 7, 2011 prototype) | 7 December 2011 | Xbox 360 | Shoot Em Up | - |
| Choplifter III (Prototype A) | | SNES | Shoot 'Em Up | - |
| Choplifter III (Prototype B) | | SNES | Shoot 'Em Up | - |
| Choplifter! (Jul 1, 1986 prototype) | 1 July 1986 | Sega Master System | Action | - |
| Choplifter! (SG-1000 Prototype) | | SG-1000 | Action | - |
| Choplifter! (Sega Master System Prototype) | | Sega Master System | Action | - |
| Choro Q (Aug 14, 2004 prototype) | 14 August 2004 18:17:49 | PlayStation 2 | Racing, Role-playing | - |
| Choro Q Wonderful! (May 17, 1999 demo) | 17 May 1999 04:22:02 | PlayStation | Racing | - |
| Chou Majin Eiyuuden Wataru: Mazekko Monster (Prototype) | | Game Boy | Role Playing | - |
| Chouon Senshi Borgman (Prototype) | | Sega Master System | Action | - |
| Chrime (Jul 22, 2009 prototype) | 22 July 2009 | Xbox 360 | Rhythm | - |
| Chromehounds (24 DLCs Pack prototype) | | Xbox 360 | Action | - |
| Chromehounds (May 17, 2006 prototype) | 17 May 2006 22:22:02 | Xbox 360 | Action | - |
| Chromehounds (May 31, 2006 prototype) | 31 May 2006 | Xbox 360 | Action, Strategy, Simulation | - |
| Chrono Cross (Apr 11, 2000 prototype) | 11 April 2000 17:45:00 | PlayStation | Role Playing | - |
| Chrono Cross (Mar 8, 2000 prototype) | 8 March 2000 14:05:00 | PlayStation | Role Playing | - |
| Chrono Trigger (Nov 17, 1994 prototype) | 17 November 1994 | SNES | RPG | - |
| ChuChu Rocket! (Apr 28, 2000 build) | 28 April 2000 | Dreamcast | Puzzle | - |
| ChuChu Rocket! (Jan 27, 2000 prototype) | 27 January 2000 | Dreamcast | Puzzle | - |
| Chuck E. Cheese's Party Games (May 10, 2010 prototype) | 10 May 2010 | Nintendo Wii | Simulator, minigames | - |
| Chuck Rock (Prototype) | | Game Gear | Action | - |
| Chuck Rock (prototype) | | SNES | Platformer | - |
| Chuck Yeager's Fighter Combat (Prototype) | | NES | Shooting | ✓ |
| Chucky: Wanna Play? (May 6, 2011 prototype) | 6 May 2011 17:46:22 | Xbox 360 | Action | ✓ |
| Cipher Complex (Feb 23, 2009 prototype) | 23 February 2009 18:04:37 | Xbox 360 | Stealth | ✓ |
| Cipher Complex (Nov 18, 2009 prototype) | 18 November 2009 | Xbox 360 | Stealth | ✓ |
| Circuit Breakers (Jan 23, 1998 prototype) | 23 January 1998 | PlayStation | | - |
| Circuit Breakers (Mar 31, 1998 prototype) | 31 March 1998 00:36:38 | PlayStation | Racing | - |
| Circus Maximus: Chariot Wars (Nov 16, 2001 prototype) | 16 November 2001 19:10:06 | Xbox | Racing | - |
| Citizen X (Jan 8, 1993 prototype) | 8 January 1993 11:02:37 | Sega CD | FMV | ✓ |
| Citizens of Earth (Sep 4, 2013 prototype) | 4 September 2013 | PC | Role-Playing | - |
| City Builder (Nov 24, 2009 prototype) | 24 November 2009 | Nintendo Wii | Simulator | - |
| Civil War: A Nation Divided (DLC redericksburg Bonus prototype) | | Xbox 360 | First-Person Shooter | ✓ |
| ClaDun x2 (Oct 2, 2010 prototype) | 2 October 2010 10:50:39 | PlayStation Portable | Action role-playing game | - |
| Clash at Demonhead (Japanese prototype) | | NES | Platformer | - |
| Clash of the Titans (Dec 6, 2009 prototype) | 6 December 2009 | Xbox 360 | Action-adventure | - |
| Clay Fighter: Extreme (Apr 4, 1997 prototype) | 4 April 1997 17:12:50 | PlayStation | Fighting | ✓ |
| ClayFighter (Prototype) | | SNES | Fighting | - |
| ClayFighter 2: Judgment Clay (Apr 28, 1995 prototype) | 28 April 1995 | Sega 32X | Fighting | ✓ |
| ClayFighter 63 1/3 (Aug 21, 1997 prototype) | 21 August 1997 07:16:21 | Nintendo 64 | Fighting | - |
| Claymates (Prototype A) | | SNES | Platformer | - |
| Clive Barker's Jericho (Aug 31, 2007 prototype) | 31 August 2007 | Xbox 360 | | - |
| Clive Barker's Jericho (Jun 18, 2007 prototype) | 18 June 2007 | Xbox 360 | First-person shooter
survival horror | - |
| Clock Tower (Jul 18, 1997 prototype) | 18 July 1997 10:36:48 | PlayStation | Survival Horror | - |
| Clock Tower (Jul 5, 1997 prototype) | 5 July 1997 02:18:24 | PlayStation | Survival horror | - |
| Clock Tower (Prototype) | | SNES | Survival Horror | - |
| Clock Tower 2: The Door of the Fear (Sep 30, 1996 prototype) | 30 September 1996 13:52:50 | PlayStation | Survival Horror | - |
| Clockwork Knight (Feb 6, 1995 prototype) | 6 February 1995 11:01:43 | Sega Saturn | Platformer | - |
| Clockwork Knight (Mar 28, 1995 prototype) | 28 March 1995 07:55:48 | Sega Saturn | Action | - |
| Clockwork Knight - Pepperouchau's Adventure Sample (Nov 14, 1994 build) | 14 November 1994 | Sega Saturn | Platformer | - |
| Clockwork Knight 2 (Aug 30, 1995 prototype) | 30 August 1995 14:53:35 | Sega Saturn | Action | - |
| Clockwork Knight: Pengin War (Oct 21, 1995 prototype) | 21 October 1995 04:00:09 | Sega Saturn | Action | ✓ |
| Cloning Clyde (Jul 1, 2006 prototype) | 1 July 2006 | Xbox 360 | Adventure, Puzzle, Platformer | - |
| Close Combat: First to Fight (Mar 13, 2005 prototype) | 13 March 2005 | Xbox | FPS | - |
| Cloudberry Kingdom (Feb 9, 2011 prototype) | 9 February 2011 | Xbox 360 | Platformer | - |
| Cloudy with a Chance of Meatballs 2 (Apr 10, 2013 prototype) | 10 April 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Apr 12, 2013 prototype) | 12 April 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jul 12, 2013 prototype) | 12 July 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jul 2, 2013 prototype) | 2 July 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jul 3, 2013 prototype) | 3 July 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jul 7, 2013 prototype) | 7 July 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jun 18, 2013 prototype) | 18 June 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jun 25, 2013 prototype) | 25 June 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jun 28, 2013 prototype) | 28 June 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Jun 7, 2013 prototype) | 7 June 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Mar 12, 2013 prototype) | 12 March 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (Mar 26, 2013 prototype) | 26 March 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (May 3, 2013 prototype) | 3 May 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (May 31, 2013 prototype) | 31 May 2013 | Nintendo DS | Action-adventure | - |
| Cloudy with a Chance of Meatballs 2 (May 6, 2013 prototype) | 6 May 2013 | Nintendo DS | Action-adventure | - |
| Club Drive (Prototype) | | Atari Jaguar | Racing | - |
| Club Penguin: Elite Penguin Force (Sep 30, 2008 prototype) | 30 September 2008 21:56:49 | Nintendo DS | Adventure | - |
| Clubhouse Games (JP demo) | | Nintendo DS | Card Game, Trivia/Board Game, Minigame Collection | - |
| Cluedo (Sep 16, 1994 prototype) | 16 September 1994 | Philips CD-i | Mystery | - |
| Coaster Works (Nov 27, 2000 prototype) | 27 November 2000 00:00:00 | Dreamcast | Simulator | - |
| Cobra Command (Oct 10, 1992 prototype) | 10 October 1992 02:51:06 | Sega CD | Shooting | - |
| Cocoto Kart Racer (Jul 6, 2004 prototype) | 6 July 2004 | Xbox | Racing | ✓ |
| Cocoto Kart Racer (Prototype) | | Nintendo DS | Racing | - |
| Cocoto Platform Jumper (Nov 18, 2003 prototype) | 18 November 2003 01:38:00 | PlayStation 2 | Platformer | ✓ |
| Code Lyoko: Fall of XANA (Mar 26, 2008 prototype) | 26 March 2008 | Nintendo DS | Role-Playing | - |
| Code Lyoko: Quest for Infinity (Sep 21, 2007 prototype) | 21 September 2007 | Nintendo Wii | Action-adventure | - |
| Coffeetime Crosswords (DLC PDLC Pack 1 A prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 1 B prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 2 A prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 2 B prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 2 C prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 3 A prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 3 B prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (DLC PDLC Pack 3 C prototype) | | Xbox 360 | Puzzle | - |
| Coffeetime Crosswords (DLC content1 B prototype) | | Xbox 360 | Puzzle | ✓ |
| Coffeetime Crosswords (Dec 13, 2007 prototype) | 13 December 2007 06:21:05 | Xbox 360 | Puzzle | - |
| Cold Fear (Jan 21, 2005 prototype) | 21 January 2005 15:12:02 | Xbox | Third-person shooter | - |
| Cold War (Jun 12, 2005 prototype) | 12 June 2005 | PC | Action | - |
| Cold Winter (Feb 9, 2005 prototype) | 9 February 2005 04:24:55 | PlayStation 2 | First-person shooter | - |
| Colin McRae Rally (Sep 15, 1999 prototype) | 15 September 1999 16:01:14 | PlayStation | Racing | - |
| Colin McRae Rally 04 (Jul 16, 2003 prototype) | 16 July 2003 | PlayStation 2 | Racing | - |
| Colin McRae Rally 04 (Jul 25, 2003 prototype) | 25 July 2003 15:54:11 | Xbox | Racing | - |
| Colin McRae Rally 2.0 (May 2, 2000 prototype) | 2 May 2000 | PlayStation | Racing | - |
| Colin McRae Rally 2005 (Jul 21, 2005 prototype) | 21 July 2005 16:14:15 | PlayStation Portable | Racing | - |
| Colin McRae Rally 2005 (Jul 29, 2004 prototype) | 29 July 2004 | PlayStation 2 | Racing | - |
| Colin McRae Rally 2005 (Jun 30, 2004 prototype) | 30 June 2004 12:35:43 | Xbox | Racing | - |
| Colin McRae Rally 3 (Aug 13, 2002 prototype) | 13 August 2002 16:13:05 | Xbox | Racing | - |
| Colin McRae Rally 3 (Aug 19, 2002 prototype) | 19 August 2002 10:56:31 | Xbox | Racing | - |
| Colin McRae Rally 3 (Sep 29, 2002 prototype) | 29 September 2002 11:36:58 | Xbox | Racing | - |
| College Football USA 96 (Jun 21, 1995 prototype) | | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Apr 13, 1994 prototype) | 13 April 1994 21:36:44 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Apr 18, 1994 prototype) | 19 April 1994 11:09:46 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Apr 19, 1994 prototype) | 19 April 1994 11:08:08 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Apr 29, 1994 prototype) | 29 April 1994 16:25:22 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 1, 1994 prototype) | 1 June 1994 09:38:52 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 14, 1994 prototype) | 14 June 1994 11:46:30 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 15, 1994 prototype) | 15 June 1994 19:40:02 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 18, 1994 prototype) | 21 June 1994 09:02:12 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 20, 1994 prototype) | 20 June 1994 07:25:38 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 3, 1994 prototype) | 3 June 1994 15:17:06 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 7, 1994 prototype) | 7 June 1994 09:49:08 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (Jun 8, 1994 prototype) | 8 June 1994 09:29:54 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 11, 1994 prototype A) | 11 May 1994 14:28:22 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 17, 1994 prototype A) | 17 May 1994 09:11:48 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 20, 1994 prototype) | 20 May 1994 17:21:32 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 25, 1994 prototype) | 25 May 1994 14:15:58 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 3, 1994 prototype) | 3 May 1994 15:19:14 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 31, 1994 prototype) | 31 May 1994 18:54:48 | Sega Mega Drive | Sports - Football | - |
| College Football's National Championship (May 6, 1994 prototype) | 6 May 1994 15:43:48 | Sega Mega Drive | Sports - Football | - |
| College Hoops 2K7 (Nov 8, 2006 prototype) | 8 November 2006 02:24:24 | PlayStation 2 | Sports - Basketball | - |
| College Hoops 2K8 (Oct 1, 2007 prototype) | 1 October 2007 21:42:00 | PlayStation 2 | Sports - Basketball | - |
| Colliderz (Jun 13, 1997 prototype) | 13 June 1997 16:30:12 | Sega Saturn | Action | ✓ |
| Colony Wars: Red Sun (Jan 11, 2000 prototype) | 11 January 2000 18:41:36 | PlayStation | Action | - |
| Colony Wars: Red Sun (Nov 16, 1999 prototype) | 16 November 1999 10:36:04 | PlayStation | Action | - |
| Color Cross (Prototype A) | | Nintendo DS | Puzzle | - |
| Color Cross (Prototype B) | | Nintendo DS | Puzzle | - |
| Color Cross (Prototype C) | | Nintendo DS | Puzzle | - |
| Color Cross (Prototype D) | | Nintendo DS | Puzzle | - |
| Color Cross (Prototype E) | | Nintendo DS | Puzzle | - |
| Color Dreams Color Test | | NES | Diagnostics | - |
| Colors (2600 prototype) | | Atari 2600 | | ✓ |
| Colors (Prototype) | | Gizmondo | Third-person shooter | ✓ |
| Colors of Modern Rock (Feb 22, 1993 prototype) | 22 February 1993 12:16:20 | Sega CD | Video | - |
| Colosseum: Road to Freedom (Mar 17, 2005 prototype) | 17 March 2005 12:50:32 | PlayStation 2 | | - |
| Colosseum: Road to Freedom (Mar 23, 2005 prototype) | 23 March 2005 01:02:17 | PlayStation 2 | | - |
| Columbus: Ougon no Yoake (Prototype) | | NES | Role Playing | - |
| Columns (Jun 21, 1990 build) | 21 June 1990 10:20:50 | Sega Mega Drive | Puzzle | - |
| Columns (Prototype) | | Sega Master System | Puzzle | - |
| Combat Elite: WWII Paratroopers (Apr 27, 2004 prototype) | 27 April 2004 14:13:14 | PlayStation 2 | Third-person shooter | - |
| Combat Elite: WWII Paratroopers (May 13, 2004 prototype) | 11 May 2004 | PlayStation 2 | Action role-playing game | - |
| Combat II (Fighter Command prototype) | | Atari 2600 | Flight Simulation | ✓ |
| Combat II (Firefox prototype) | | Atari 2600 | Flight Simulation | ✓ |
| Combat II (Jun 1, 1983 prototype) | 1 June 1983 | Atari 2600 | Flight Simulator | ✓ |
| Combat II (Prototype) | | Atari 2600 | Flight Simulator | ✓ |
| Combat Wings: The Great Battles of WWII (May 14, 2012 prototype) | 14 May 2012 | Xbox 360 | Flight Combat | - |
| Comic Jumper: The Adventures of Captain Smiley (Jun 10, 2010 prototype) | 10 June 2010 | Xbox 360 | Action | - |
| Comix Zone (Apr 4, 1995 prototype) | 4 April 1995 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jul 12, 1995 prototype FULSCR) | 12 July 1995 11:33:30 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jul 12, 1995 prototype) | 12 July 1995 11:33:30 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 1, 1995 prototype B) | 31 May 1995 23:27:12 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 1, 1995 prototype C) | 1 June 1995 15:53:58 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 1, 1995 prototype D) | 1 June 1995 19:53:42 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 12, 1995 prototype) | 12 June 1995 12:38:40 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 2, 1995 prototype B) | 2 June 1995 12:51:04 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 2, 1995 prototype) | 2 June 1995 02:56:36 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 28, 1995 prototype) | 28 June 1995 15:27:48 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 3, 1995 prototype) | 3 June 1995 16:06:36 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 5, 1995 prototype) | 5 June 1995 11:00:14 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 6, 1995 prototype) | 6 June 1995 11:00:14 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Jun 9, 1995 prototype) | 9 June 1995 09:10:44 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (Mar 27, 2009 prototype) | 27 March 2009 | Xbox 360 | Action-Brawler | - |
| Comix Zone (May 26, 1995 prototype) | 26 May 1995 14:31:46 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (May 30, 1995 prototype) | 30 May 1995 12:41:54 | Sega Mega Drive | Beatem Up | - |
| Comix Zone (May 31, 1995 prototype) | 31 May 1995 15:49:04 | Sega Mega Drive | Beatem Up | - |
| Command & Conquer 3: Kane's Wrath (DLC Map Pack 1 prototype) | | Xbox 360 | Real-Time Strategy | - |
| Command & Conquer 3: Tiberium Wars (Jan 29, 2007 demo) | 29 January 2007 | PC | Strategy, Real-Time Strategy | - |
| Command & Conquer Red Alert 3: Commander's Challenge (Jul 30, 2009 prototype) | 30 July 2009 | Xbox 360 | Real-Time Strategy | - |
| Command & Conquer: Red Alert (Oct 11, 1996 prototype) | 11 October 1996 | PC | RTS | - |
| Command & Conquer: Red Alert 3 (DLC Map Pack 1 prototype) | | Xbox 360 | Real-Time Strategy | - |
| Command & Conquer: Red Alert 3 (Oct 12, 2008 prototype) | 12 October 2008 03:56:32 | Xbox 360 | Action | - |
| Command & Conquer: Red Alert 3 (Oct 8, 2008 prototype) | 8 October 2008 | Xbox 360 | RTS | - |
| Command and Conquer: Commando (Jul 14, 1997 prototype) | 14 July 1997 12:06:20 | PlayStation | Adventure | ✓ |
| Commanders: Attack (Nov 26, 2007 prototype) | 26 November 2007 | Xbox 360 | Turn Based | - |
| Commando (Apr 29, 1988 prototype) | 29 April 1988 | Atari 7800 | Shooter | - |
| Commandos 2 (Nov 28, 2002 prototype) | 28 November 2002 | Game Boy Advance | Action | ✓ |
| Commandos 2: Men of Courage (Aug 12, 2002 prototype) | 12 August 2002 13:06:55 | Xbox | Real-Time Strategy | - |
| Commandos: Behind Enemy Lines (May 18, 1998 prototype) | 18 May 1998 18:35:00 | PC | RTS | - |
| Commandos: Strike Force (Feb 28, 2005 prototype) | 28 February 2005 19:11:24 | PlayStation 2 | FPS | - |
| Community Games Player Pack (May 27, 2009 prototype) | 27 May 2009 | Xbox 360 | Compilation | - |
| Complete Onside Soccer (Feb 27, 1996 prototype) | 27 February 1996 18:29:38 | PlayStation | Sports - Soccer | - |
| Compound 3D (Feb 24, 1995 demo) | 24 February 1995 | PC | | ✓ |
| Compton's Interactive Encyclopedia (Oct 27, 1992 prototype) | 27 October 1992 03:25:22 | Philips CD-i | Reference | - |
| Computer BattleTech (Jan 22, 1998 prototype) | 22 January 1998 | PC | Strategy | ✓ |
| Conan (Aug 28, 2007 prototype) | 28 August 2007 | Xbox 360 | Action | - |
| Conan (Sep 17, 2007 prototype) | 17 September 2007 23:42:30 | Xbox 360 | Action | - |
| Concord (Jul 21, 2024 prototype) | 21 July 2024 | PC | First-Person Shooter | - |
| Concord (Nov 14, 2023 prototype) | 14 November 2023 | PC | First-Person Shooter | - |
| Condemned 2: Bloodshot (Dec 12, 2007 prototype) | 12 December 2007 | Xbox 360 | Survival Horror | - |
| Condemned 2: Bloodshot (Dec 8, 2007 prototype) | 8 December 2007 00:00:00 | Xbox 360 | Action Adventure | - |
| Condemned 2: Bloodshot (Feb 17, 2008 prototype) | 17 February 2008 | Xbox 360 | Action Adventure | - |
| Condemned 2: Bloodshot (Feb 3, 2008 prototype) | 3 February 2008 | Xbox 360 | Survival horror | - |
| Condemned: Criminal Origins (Aug 11, 2005 prototype) | 11 August 2005 | Xbox 360 | Shooter | - |
| Conduit 2 (Sep 24, 2010 Prototype) | 24 September 2010 | Nintendo Wii | Shooter | - |
| Confidential Mission (Mar 3, 2001 prototype) | 3 March 2001 | Dreamcast | Shooter | - |
| Confidential Mission (Mar 9, 2001 prototype) | 9 March 2001 17:00:37 | Dreamcast | Shooter | - |
| Conflict Zone: Modern War Strategy (Apr 22, 2000 prototype) | 22 April 2000 10:17:30 | PlayStation 2 | Real-time Strategy | - |
| Conflict Zone: Modern War Strategy (Aug 8, 2000 prototype) | 8 August 2000 12:38:06 | PlayStation 2 | Real-time Strategy | - |
| Conflict: Denied Ops (DLC Compass Pack prototype) | | Xbox 360 | Action, Shooter, First-Person Shooter | ✓ |
| Conflict: Denied Ops (Nov 15, 2007 prototype) | 15 November 2007 12:53:13 | PlayStation 3 | Tactical Shooter | - |
| Conflict: Desert Storm (Jul 8, 2002 prototype) | 8 July 2002 22:10:22 | PlayStation 2 | Tactical shooter | - |
| Conflict: Global Terror (Aug 9, 2005 prototype) | 9 August 2005 09:18:41 | PlayStation 2 | Tactical shooter | - |
| Conflict: Vietnam (Jul 27, 2004 prototype) | 27 July 2004 12:19:18 | PlayStation 2 | Third-person shooter | - |
| Conflict: Vietnam (Prototype) | | Gizmondo | Tactical shooter | ✓ |
| Congo's Caper (Prototype) | | SNES | Action | - |
| Congo: The Game (March 1995 prototype) | March 1995 | Sega Mega Drive | Action Adventure | ✓ |
| Congo: The Movie - Secret of Zinj (Prototype) | | SNES | Action Adventure | ✓ |
| Congo: The Movie - The Lost City of Zinj (Feb 13, 1996 prototype) | 13 February 1996 15:37:42 | Sega Saturn | First Person Shooter | - |
| Conker Live & Reloaded (Apr 29, 2005 demo) | 29 April 2005 | Xbox | Action platform | - |
| Conker Live & Reloaded (Apr 9, 2005 prototype) | 9 April 2005 | Xbox | Action platform | - |
| Conker Live & Reloaded (Mar 14, 2005 prototype) | 14 March 2005 | Xbox | Action platform | - |
| Conker's Bad Fur Day (Aug 26, 2000 prototype) | 26 August 2000 | Nintendo 64 | Platform | - |
| Conker's Bad Fur Day (Oct 25, 2000 prototype) | 25 October 2000 | Nintendo 64 | Platform | - |
| Conker: Live & Reloaded (debug build) | | Xbox | Action platform | - |
| Connie Talbot: Over the Rainbow (Jan 29, 2009 prototype) | 29 January 2009 | Nintendo Wii | Music | ✓ |
| Conquest Earth (Aug 18, 1997 prototype) | 18 August 1997 | PC | | - |
| Conspiracy: Weapons of Mass Destruction (Feb 6, 2005 prototype) | 7 February 2005 13:34:56 | PlayStation 2 | First-person shooter | - |
| Constant C (prototype) | | Xbox 360 | Puzzle, Platformer | - |
| Constantine (Nov 18, 2004 prototype) | 18 November 2004 | PlayStation 2 | Action-Adventure | - |
| Constantine (Nov 24, 2004 prototype) | 24 November 2004 15:27:08 | Xbox | Action-Adventure | - |
| Contact (Apr 27, 2006 prototype) | 27 April 2006 | Nintendo DS | RPG | - |
| Contra (Oct 25, 2006 prototype) | 25 October 2006 | Xbox 360 | Action | - |
| Contra (Sample Prototype) | | NES | Side-scrolling shooter | - |
| Contra (Test Prototype) | | NES | run-n-gun | - |
| Contra 4 (April 10, 2007 prototype A) | 10 April 2007 | Nintendo DS | | - |
| Contra 4 (April 10, 2007 prototype B) | 10 April 2007 | | | - |
| Contra 4 (April 10, 2007 prototype C) | 10 April 2007 | Nintendo DS | | - |
| Contra 4 (April 10, 2007 prototype D) | 10 April 2007 | Nintendo DS | | - |
| Contra 4 (April 11, 2007 prototype A) | 11 April 2007 | Nintendo DS | | - |
| Contra 4 (April 11, 2007 prototype B) | 11 April 2007 | Nintendo DS | | - |
| Contra 4 (April 13, 2007 prototype A) | 13 April 2007 | Nintendo DS | | - |
| Contra 4 (April 13, 2007 prototype B) | 13 April 2007 | Nintendo DS | | - |
| Contra 4 (April 13, 2007 prototype C) | 13 April 2007 | Nintendo DS | | - |
| Contra 4 (April 13, 2007 prototype D) | 13 April 2007 | Nintendo DS | | - |
| Contra 4 (April 16, 2007 prototype A) | 16 April 2007 | Nintendo DS | | - |
| Contra 4 (April 16, 2007 prototype B) | 16 April 2007 | Nintendo DS | | - |
| Contra 4 (April 17, 2007 prototype A) | 17 April 2007 | Nintendo DS | | - |
| Contra 4 (April 17, 2007 prototype B) | 17 April 2007 | Nintendo DS | | - |
| Contra 4 (April 17, 2007 prototype C) | 17 April 2007 | Nintendo DS | | - |
| Contra 4 (April 18, 2007 prototype A) | 18 April 2007 | Nintendo DS | | - |
| Contra 4 (April 18, 2007 prototype B) | 18 April 2007 | Nintendo DS | | - |
| Contra 4 (April 18, 2007 prototype C) | 18 April 2007 | Nintendo DS | | - |
| Contra 4 (April 18, 2007 prototype D) | 18 April 2007 | Nintendo DS | | - |
| Contra 4 (April 19, 2007 prototype) | 19 April 2007 | Nintendo DS | | - |
| Contra 4 (April 2, 2007 prototype) | 2 April 2007 | Nintendo DS | | - |
| Contra 4 (April 20, 2007 prototype A) | 20 April 2007 | Nintendo DS | | - |
| Contra 4 (April 20, 2007 prototype B) | 20 April 2007 | Nintendo DS | | - |
| Contra 4 (April 20, 2007 prototype C) | 20 April 2007 | Nintendo DS | | - |
| Contra 4 (April 20, 2007 prototype D) | 20 April 2007 | Nintendo DS | | - |
| Contra 4 (April 22, 2007 prototype A) | 22 April 2007 | Nintendo DS | | - |
| Contra 4 (April 22, 2007 prototype B) | 22 April 2007 | Nintendo DS | | - |
| Contra 4 (April 22, 2007 prototype C) | 22 April 2007 | Nintendo DS | | - |
| Contra 4 (April 23, 2007 prototype) | 23 April 2007 | Nintendo DS | | - |
| Contra 4 (April 24, 2007 prototype A) | 24 April 2007 | Nintendo DS | | - |
| Contra 4 (April 24, 2007 prototype B) | 24 April 2007 | Nintendo DS | | - |
| Contra 4 (April 24, 2007 prototype C) | 24 April 2007 | Nintendo DS | | - |
| Contra 4 (April 24, 2007 prototype D) | 24 April 2007 | Nintendo DS | | - |
| Contra 4 (April 25, 2007 prototype A) | 25 April 2007 | Nintendo DS | | - |
| Contra 4 (April 25, 2007 prototype B) | 25 April 2007 | Nintendo DS | | - |
| Contra 4 (April 25, 2007 prototype C) | 25 April 2007 | Nintendo DS | | - |
| Contra 4 (April 26, 2007 prototype A) | 26 April 2007 | Nintendo DS | | - |
| Contra 4 (April 26, 2007 prototype B) | 26 April 2007 | Nintendo DS | | - |
| Contra 4 (April 26, 2007 prototype C) | 26 April 2007 | Nintendo DS | | - |
| Contra 4 (April 26, 2007 prototype D) | 26 April 2007 | Nintendo DS | | - |
| Contra 4 (April 29, 2007 prototype A) | 29 April 2007 | Nintendo DS | | - |
| Contra 4 (April 29, 2007 prototype B) | 29 April 2007 | Nintendo DS | | - |
| Contra 4 (April 29, 2007 prototype C) | 29 April 2007 | Nintendo DS | | - |
| Contra 4 (April 3, 2007 prototype) | 3 April 2007 | Nintendo DS | | - |
| Contra 4 (April 4, 2007 prototype A) | 4 April 2007 | Nintendo DS | | - |
| Contra 4 (April 4, 2007 prototype B) | 4 April 2007 | Nintendo DS | | - |
| Contra 4 (April 4, 2007 prototype C) | 4 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype A) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype B) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype C) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype D) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype E) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype F) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 5, 2007 prototype G) | 5 April 2007 | Nintendo DS | | - |
| Contra 4 (April 6, 2007 prototype A) | 6 April 2007 | Nintendo DS | | - |
| Contra 4 (April 9, 2007 prototype A) | 9 April 2007 | Nintendo DS | | - |
| Contra 4 (August 11, 2007 prototype A) | 11 August 2007 | Nintendo DS | | - |
| Contra 4 (August 11, 2007 prototype B) | 11 August 2007 | Nintendo DS | | - |
| Contra 4 (August 13, 2007 prototype A) | 13 August 2007 | Nintendo DS | | - |
| Contra 4 (August 13, 2007 prototype B) | 13 August 2007 | Nintendo DS | | - |
| Contra 4 (August 13, 2007 prototype C) | 13 August 2007 | Nintendo DS | | - |
| Contra 4 (August 13, 2007 prototype D) | 13 August 2007 | Nintendo DS | | - |
| Contra 4 (August 13, 2007 prototype E) | 13 August 2007 | Nintendo DS | | - |
| Contra 4 (August 15, 2007 prototype A) | 15 August 2007 | Nintendo DS | | - |
| Contra 4 (August 15, 2007 prototype B) | 15 August 2007 | Nintendo DS | | - |
| Contra 4 (August 18, 2007 prototype A) | 18 August 2007 | Nintendo DS | | - |
| Contra 4 (August 18, 2007 prototype B) | 18 August 2007 | Nintendo DS | | - |
| Contra 4 (August 18, 2007 prototype C) | 18 August 2007 | Nintendo DS | | - |
| Contra 4 (August 18, 2007 prototype D) | 18 August 2007 | Nintendo DS | | - |
| Contra 4 (August 2, 2007 prototype A) | 2 August 2007 | Nintendo DS | | - |
| Contra 4 (August 2, 2007 prototype B) | 2 August 2007 | Nintendo DS | | - |
| Contra 4 (August 2, 2007 prototype C) | 2 August 2007 | Nintendo DS | | - |
| Contra 4 (August 2, 2007 prototype D) | 2 August 2007 | Nintendo DS | | - |
| Contra 4 (August 2, 2007 prototype E) | 2 August 2007 | Nintendo DS | | - |
| Contra 4 (August 24, 2007 prototype A) | 24 August 2007 | Nintendo DS | | - |
| Contra 4 (August 24, 2007 prototype B) | 24 August 2007 | Nintendo DS | | - |
| Contra 4 (August 28, 2007 prototype A) | 28 August 2007 | Nintendo DS | | - |
| Contra 4 (August 28, 2007 prototype B) | 28 August 2007 | Nintendo DS | | - |
| Contra 4 (August 4, 2007 prototype A) | 4 August 2007 | Nintendo DS | | - |
| Contra 4 (August 4, 2007 prototype B) | 4 August 2007 | Nintendo DS | | - |
| Contra 4 (August 4, 2007 prototype C) | 4 August 2007 | Nintendo DS | | - |
| Contra 4 (August 6, 2007 prototype A) | 6 August 2007 | Nintendo DS | | - |
| Contra 4 (August 6, 2007 prototype B) | 6 August 2007 | Nintendo DS | | - |
| Contra 4 (August 7, 2007 prototype A) | 7 August 2007 | Nintendo DS | | - |
| Contra 4 (August 7, 2007 prototype B) | 7 August 2007 | Nintendo DS | | - |
| Contra 4 (August 7, 2007 prototype C) | 7 August 2007 | Nintendo DS | | - |
| Contra 4 (August 7, 2007 prototype D) | 7 August 2007 | Nintendo DS | | - |
| Contra 4 (August 7, 2007 prototype E) | 7 August 2007 | Nintendo DS | | - |
| Contra 4 (August 8, 2007 18:30:54 prototype) | 8 August 2007 18:30:54 | Nintendo DS | | - |
| Contra 4 (August 8, 2007 18:47:29 prototype) | 8 August 2007 18:47:29 | Nintendo DS | | - |
| Contra 4 (August 8, 2007 21:39:53 prototype) | 8 August 2007 21:39:53 | Nintendo DS | | - |
| Contra 4 (August 8, 2007 prototype A) | 8 August 2007 | Nintendo DS | | - |
| Contra 4 (August 8, 2007 prototype B) | 8 August 2007 | Nintendo DS | | - |
| Contra 4 (August 9, 2007 prototype A) | 9 August 2007 | Nintendo DS | | - |
| Contra 4 (August 9, 2007 prototype B) | 9 August 2007 | Nintendo DS | | - |
| Contra 4 (December 14, 2007 prototype) | 14 December 2007 | Nintendo DS | | - |
| Contra 4 (December 17, 2007 prototype A) | 17 December 2007 | Nintendo DS | | - |
| Contra 4 (December 17, 2007 prototype B) | 17 December 2007 | Nintendo DS | | - |
| Contra 4 (December 18, 2007 prototype) | 18 December 2007 | Nintendo DS | | - |
| Contra 4 (December 19, 2007 prototype) | 19 December 2007 | Nintendo DS | | - |
| Contra 4 (December 20, 2007 prototype) | 20 December 2007 | Nintendo DS | | - |
| Contra 4 (December 22, 2007 prototype) | 22 December 2007 | Nintendo DS | | - |
| Contra 4 (December 3, 2007 prototype) | 3 December 2007 | Nintendo DS | | - |
| Contra 4 (February 12, 2007 prototype A) | 12 February 2007 | Nintendo DS | | - |
| Contra 4 (February 12, 2007 prototype B) | 12 February 2007 | Nintendo DS | | - |
| Contra 4 (February 12, 2007 prototype C) | 12 February 2007 | Nintendo DS | | - |
| Contra 4 (February 15, 2007 prototype A) | 15 February 2007 | Nintendo DS | | - |
| Contra 4 (February 15, 2007 prototype B) | 15 February 2007 | Nintendo DS | | - |
| Contra 4 (February 15, 2007 prototype C) | 15 February 2007 | Nintendo DS | | - |
| Contra 4 (February 15, 2007 prototype) | 15 February 2007 | Nintendo DS | | - |
| Contra 4 (February 18, 2007 prototype A) | 18 February 2007 | Nintendo DS | | - |
| Contra 4 (February 18, 2007 prototype B) | 18 February 2007 | Nintendo DS | | - |
| Contra 4 (February 18, 2007 prototype C) | 18 February 2007 | Nintendo DS | | - |
| Contra 4 (February 2, 2007 prototype A) | 2 February 2007 | Nintendo DS | | - |
| Contra 4 (February 2, 2007 prototype B) | 2 February 2007 | Nintendo DS | | - |
| Contra 4 (February 2, 2007 prototype C) | 2 February 2007 | Nintendo DS | | - |
| Contra 4 (February 21, 2007 prototype) | 21 February 2007 | Nintendo DS | | - |
| Contra 4 (February 22, 2007 prototype A) | 22 February 2007 | Nintendo DS | | - |
| Contra 4 (February 22, 2007 prototype B) | 22 February 2007 | Nintendo DS | | - |
| Contra 4 (February 26, 2007 prototype A) | 26 February 2007 | Nintendo DS | | - |
| Contra 4 (February 28, 2007 prototype A) | 28 February 2007 | Nintendo DS | | - |
| Contra 4 (February 28, 2007 prototype B) | 28 February 2007 | Nintendo DS | | - |
| Contra 4 (February 5, 2007 prototype A) | 5 February 2007 | Nintendo DS | | - |
| Contra 4 (February 5, 2007 prototype B) | 5 February 2007 | Nintendo DS | | - |
| Contra 4 (February 5, 2007 prototype C) | 5 February 2007 | Nintendo DS | | - |
| Contra 4 (February 6, 2007 prototype) | 6 February 2007 | Nintendo DS | | - |
| Contra 4 (February 7, 2007 prototype A) | 7 February 2007 | Nintendo DS | | - |
| Contra 4 (February 7, 2007 prototype B) | 7 February 2007 | Nintendo DS | | - |
| Contra 4 (February 7, 2007 prototype C) | 27 February 2007 | Nintendo DS | | - |
| Contra 4 (February 8, 2007 prototype) | 8 February 2007 | Nintendo DS | | - |
| Contra 4 (January 19, 2007 prototype A) | 19 January 2007 | Nintendo DS | | - |
| Contra 4 (January 19, 2007 prototype B) | 19 January 2007 | Nintendo DS | | - |
| Contra 4 (January 2, 2008 prototype A) | 2 January 2008 | Nintendo DS | | - |
| Contra 4 (January 2, 2008 prototype B) | 2 January 2008 | Nintendo DS | | - |
| Contra 4 (January 22, 2007 prototype B) | 22 January 2007 | Nintendo DS | | - |
| Contra 4 (January 23, 2007 prototype) | 23 January 2007 | Nintendo DS | | - |
| Contra 4 (January 23, 2008 prototype A) | 23 January 2008 | Nintendo DS | | - |
| Contra 4 (January 23, 2008 prototype B) | 23 January 2008 | Nintendo DS | | - |
| Contra 4 (January 24, 2007 prototype) | 24 January 2007 | Nintendo DS | | - |
| Contra 4 (January 24, 2008 prototype) | 24 January 2008 | Nintendo DS | | - |
| Contra 4 (January 25, 2007 prototype) | 25 January 2007 | Nintendo DS | | - |
| Contra 4 (January 26, 2007 prototype) | 26 January 2007 | Nintendo DS | | - |
| Contra 4 (January 29, 2007 prototype) | 29 January 2007 | Nintendo DS | | - |
| Contra 4 (January 31, 2007 prototype A) | 31 January 2007 | Nintendo DS | | - |
| Contra 4 (January 31, 2007 prototype B) | 31 January 2007 | Nintendo DS | | - |
| Contra 4 (January 31, 2007 prototype C) | 31 January 2007 | Nintendo DS | | - |
| Contra 4 (January 8, 2008 prototype) | 8 January 2008 | Nintendo DS | | - |
| Contra 4 (July 1, 2007 prototype A) | 1 July 2007 | Nintendo DS | | - |
| Contra 4 (July 1, 2007 prototype B) | 1 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype A) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype B) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype C) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype D) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype E) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype F) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 11, 2007 prototype G) | 11 July 2007 | Nintendo DS | | - |
| Contra 4 (July 13, 2007 prototype A) | 13 July 2007 | Nintendo DS | | - |
| Contra 4 (July 13, 2007 prototype B) | 13 July 2007 | Nintendo DS | | - |
| Contra 4 (July 14, 2007 prototype A) | 14 July 2007 | Nintendo DS | | - |
| Contra 4 (July 14, 2007 prototype B) | 14 July 2007 | Nintendo DS | | - |
| Contra 4 (July 16, 2007 prototype A) | 16 July 2007 | Nintendo DS | | - |
| Contra 4 (July 16, 2007 prototype B) | 16 July 2007 | Nintendo DS | | - |
| Contra 4 (July 16, 2007 prototype C) | 16 July 2007 | Nintendo DS | | - |
| Contra 4 (July 18, 2007 prototype A) | 18 July 2007 | Nintendo DS | | - |
| Contra 4 (July 18, 2007 prototype B) | 18 July 2007 | Nintendo DS | | - |
| Contra 4 (July 18, 2007 prototype C) | 18 July 2007 | Nintendo DS | | - |
| Contra 4 (July 18, 2007 prototype D) | 18 July 2007 | Nintendo DS | | - |
| Contra 4 (July 19, 2007 prototype A) | 19 July 2007 | Nintendo DS | | - |
| Contra 4 (July 19, 2007 prototype B) | 19 July 2007 | Nintendo DS | | - |
| Contra 4 (July 2, 2007 prototype A) | 2 July 2007 | Nintendo DS | | - |
| Contra 4 (July 2, 2007 prototype B) | 2 July 2007 | Nintendo DS | | - |
| Contra 4 (July 2, 2007 prototype C) | 2 July 2007 | Nintendo DS | | - |
| Contra 4 (July 20, 2007 prototype) | 20 July 2007 | Nintendo DS | | - |
| Contra 4 (July 21, 2007 prototype A) | 21 July 2007 | Nintendo DS | | - |
| Contra 4 (July 23, 2007 prototype A) | 23 July 2007 | Nintendo DS | | - |
| Contra 4 (July 23, 2007 prototype B) | 23 July 2007 | Nintendo DS | | - |
| Contra 4 (July 23, 2007 prototype C) | 23 July 2007 | Nintendo DS | | - |
| Contra 4 (July 23, 2007 prototype D) | 23 July 2007 | Nintendo DS | | - |
| Contra 4 (July 24, 2007 prototype A) | 24 July 2007 | Nintendo DS | | - |
| Contra 4 (July 24, 2007 prototype B) | 24 July 2007 | Nintendo DS | | - |
| Contra 4 (July 24, 2007 prototype C) | 24 July 2007 | Nintendo DS | | - |
| Contra 4 (July 24, 2007 prototype D) | 24 July 2007 | Nintendo DS | | - |
| Contra 4 (July 25, 2007 prototype) | 25 July 2007 | Nintendo DS | | - |
| Contra 4 (July 26, 2007 prototype A) | 26 July 2007 | Nintendo DS | | - |
| Contra 4 (July 26, 2007 prototype B) | 26 July 2007 | Nintendo DS | | - |
| Contra 4 (July 27, 2007 prototype) | 27 July 2007 | Nintendo DS | | - |
| Contra 4 (July 28, 2007 prototype A) | 28 July 2007 | Nintendo DS | | - |
| Contra 4 (July 29, 2007 prototype A) | 29 July 2007 | Nintendo DS | | - |
| Contra 4 (July 29, 2007 prototype B) | 29 July 2007 | Nintendo DS | | - |
| Contra 4 (July 5, 2007 prototype A) | 5 July 2007 | Nintendo DS | | - |
| Contra 4 (July 5, 2007 prototype B) | 5 July 2007 | Nintendo DS | | - |
| Contra 4 (July 6, 2007 prototype A) | 6 July 2007 | Nintendo DS | | - |
| Contra 4 (July 8, 2007 prototype A) | 8 July 2007 | Nintendo DS | | - |
| Contra 4 (July 9, 2007 prototype A) | 9 July 2007 | Nintendo DS | | - |
| Contra 4 (July 9, 2007 prototype B) | 9 July 2007 | Nintendo DS | | - |
| Contra 4 (June 10, 2007 prototype A) | 10 June 2007 | Nintendo DS | | - |
| Contra 4 (June 10, 2007 prototype B) | 10 June 2007 | Nintendo DS | | - |
| Contra 4 (June 10, 2007 prototype C) | 10 June 2007 | Nintendo DS | | - |
| Contra 4 (June 11, 2007 prototype) | 11 June 2007 | Nintendo DS | | - |
| Contra 4 (June 12, 2007 prototype A) | 12 June 2007 | Nintendo DS | | - |
| Contra 4 (June 12, 2007 prototype B) | 12 June 2007 | Nintendo DS | | - |
| Contra 4 (June 13, 2007 prototype A) | 13 June 2007 | Nintendo DS | | - |
| Contra 4 (June 13, 2007 prototype B) | 13 June 2007 | Nintendo DS | | - |
| Contra 4 (June 14, 2007 prototype A) | 14 June 2007 | Nintendo DS | | - |
| Contra 4 (June 14, 2007 prototype B) | 14 June 2007 | Nintendo DS | | - |
| Contra 4 (June 14, 2007 prototype C) | 14 June 2007 | | | - |
| Contra 4 (June 15, 2007 prototype A) | 15 June 2007 | Nintendo DS | | - |
| Contra 4 (June 15, 2007 prototype B) | 15 June 2007 | Nintendo DS | | - |
| Contra 4 (June 15, 2007 prototype C) | 15 June 2007 | Nintendo DS | | - |
| Contra 4 (June 16, 2007 prototype A) | 16 June 2007 | Nintendo DS | | - |
| Contra 4 (June 16, 2007 prototype B) | 16 June 2007 | Nintendo DS | | - |
| Contra 4 (June 16, 2007 prototype C) | 16 June 2007 | Nintendo DS | | - |
| Contra 4 (June 16, 2007 prototype D) | 16 June 2007 | Nintendo DS | | - |
| Contra 4 (June 16, 2007 prototype E) | 16 June 2007 | Nintendo DS | | - |
| Contra 4 (June 17, 2007 prototype) | 17 June 2007 | Nintendo DS | | - |
| Contra 4 (June 18, 2007 prototype A) | 18 June 2007 | Nintendo DS | | - |
| Contra 4 (June 18, 2007 prototype B) | 18 June 2007 | Nintendo DS | | - |
| Contra 4 (June 18, 2007 prototype C) | 18 June 2007 | Nintendo DS | | - |
| Contra 4 (June 18, 2007 prototype D) | 18 June 2007 | Nintendo DS | | - |
| Contra 4 (June 19, 2007 prototype A) | 19 June 2007 | Nintendo DS | | - |
| Contra 4 (June 19, 2007 prototype B) | 19 June 2007 | Nintendo DS | | - |
| Contra 4 (June 21, 2007 prototype A) | 21 June 2007 | Nintendo DS | | - |
| Contra 4 (June 21, 2007 prototype B) | 21 June 2007 | Nintendo DS | | - |
| Contra 4 (June 22, 2007 prototype A) | 22 June 2007 | Nintendo DS | | - |
| Contra 4 (June 22, 2007 prototype B) | 22 June 2007 | Nintendo DS | | - |
| Contra 4 (June 22, 2007 prototype C) | 22 June 2007 | Nintendo DS | | - |
| Contra 4 (June 25, 2007 prototype A) | 25 June 2007 | Nintendo DS | | - |
| Contra 4 (June 25, 2007 prototype B) | 25 June 2007 | Nintendo DS | | - |
| Contra 4 (June 26, 2007 prototype A) | 26 June 2007 | Nintendo DS | | - |
| Contra 4 (June 26, 2007 prototype B) | 26 June 2007 | Nintendo DS | | - |
| Contra 4 (June 26, 2007 prototype C) | 26 June 2007 | Nintendo DS | | - |
| Contra 4 (June 27, 2007 Prototype A) | 27 June 2007 22:19:55 | Nintendo DS | run-n-gun | - |
| Contra 4 (June 27, 2007 prototype B) | 27 June 2007 | Nintendo DS | | - |
| Contra 4 (June 27, 2007 prototype C) | 27 June 2007 | Nintendo DS | | - |
| Contra 4 (June 28, 2007 prototype) | 28 June 2007 | Nintendo DS | | - |
| Contra 4 (June 29, 2007 prototype A) | 29 June 2007 | Nintendo DS | | - |
| Contra 4 (June 29, 2007 prototype B) | 29 June 2007 | Nintendo DS | | - |
| Contra 4 (June 29, 2007 prototype C) | 29 June 2007 | Nintendo DS | | - |
| Contra 4 (June 29, 2007 prototype D) | | Nintendo DS | | - |
| Contra 4 (June 3, 2007 prototype A) | 3 June 2007 | Nintendo DS | | - |
| Contra 4 (June 4, 2007 prototype A) | 4 June 2007 | Nintendo DS | | - |
| Contra 4 (June 4, 2007 prototype B) | 4 June 2007 | Nintendo DS | | - |
| Contra 4 (June 4, 2007 prototype C) | 4 June 2007 | Nintendo DS | | - |
| Contra 4 (June 5, 2007 prototype) | 5 June 2007 | Nintendo DS | | - |
| Contra 4 (June 6, 2007 prototype A) | 6 June 2007 | Nintendo DS | | - |
| Contra 4 (June 6, 2007 prototype B) | 6 June 2007 | Nintendo DS | | - |
| Contra 4 (June 8, 2007 prototype A) | 8 June 2007 | Nintendo DS | | - |
| Contra 4 (June 8, 2007 prototype B) | 8 June 2007 | Nintendo DS | | - |
| Contra 4 (March 10, 2007 prototype A) | 10 March 2007 | Nintendo DS | | - |
| Contra 4 (March 10, 2007 prototype B) | 10 March 2007 | Nintendo DS | | - |
| Contra 4 (March 10, 2007 prototype C) | 10 March 2007 | Nintendo DS | | - |
| Contra 4 (March 12, 2007 prototype) | 12 March 2007 | Nintendo DS | | - |
| Contra 4 (March 13, 2007 prototype A) | 13 March 2007 | Nintendo DS | | - |
| Contra 4 (March 13, 2007 prototype B) | 13 March 2007 | Nintendo DS | | - |
| Contra 4 (March 14, 2007 prototype A) | 14 March 2007 | Nintendo DS | | - |
| Contra 4 (March 14, 2007 prototype B) | 14 March 2007 | Nintendo DS | | - |
| Contra 4 (March 14, 2007 prototype C) | 14 March 2007 | Nintendo DS | | - |
| Contra 4 (March 14, 2007 prototype D) | 14 March 2007 | Nintendo DS | | - |
| Contra 4 (March 15, 2007 prototype) | 15 March 2007 | Nintendo DS | | - |
| Contra 4 (March 16, 2007 prototype A) | 16 March 2007 | Nintendo DS | | - |
| Contra 4 (March 16, 2007 prototype B) | 16 March 2007 | Nintendo DS | | - |
| Contra 4 (March 16, 2007 prototype C) | 16 March 2007 | Nintendo DS | | - |
| Contra 4 (March 16, 2007 prototype D) | 16 March 2007 | Nintendo DS | | - |
| Contra 4 (March 19, 2007 prototype A) | 19 March 2007 | Nintendo DS | | - |
| Contra 4 (March 19, 2007 prototype B) | 19 March 2007 | Nintendo DS | | - |
| Contra 4 (March 2, 2007 prototype A) | 2 March 2007 | Nintendo DS | | - |
| Contra 4 (March 2, 2007 prototype B) | 2 March 2007 | Nintendo DS | | - |
| Contra 4 (March 2, 2007 prototype C) | 2 March 2007 | Nintendo DS | | - |
| Contra 4 (March 2, 2007 prototype D) | 2 March 2007 | Nintendo DS | | - |
| Contra 4 (March 20, 2007 prototype A) | 20 March 2007 | Nintendo DS | | - |
| Contra 4 (March 20, 2007 prototype B) | 20 March 2007 | Nintendo DS | | - |
| Contra 4 (March 20, 2007 prototype C) | 20 March 2007 | Nintendo DS | | - |
| Contra 4 (March 20, 2007 prototype D) | 20 March 2007 | Nintendo DS | | - |
| Contra 4 (March 20, 2007 prototype E) | 20 March 2007 | Nintendo DS | | - |
| Contra 4 (March 21, 2007 prototype A) | 21 March 2007 | Nintendo DS | | - |
| Contra 4 (March 21, 2007 prototype B) | 21 March 2007 | Nintendo DS | | - |
| Contra 4 (March 21, 2007 prototype C) | 21 March 2007 | Nintendo DS | | - |
| Contra 4 (March 22, 2007 prototype) | 22 March 2007 | Nintendo DS | | - |
| Contra 4 (March 23, 2007 prototype A) | 23 March 2007 | Nintendo DS | | - |
| Contra 4 (March 23, 2007 prototype B) | 23 March 2007 | Nintendo DS | | - |
| Contra 4 (March 23, 2007 prototype C) | 23 March 2007 | Nintendo DS | | - |
| Contra 4 (March 25, 2007 prototype A) | 25 March 2007 | Nintendo DS | | - |
| Contra 4 (March 25, 2007 prototype B) | 25 March 2007 | Nintendo DS | | - |
| Contra 4 (March 25, 2007 prototype C) | 25 March 2007 | Nintendo DS | | - |
| Contra 4 (March 27, 2007 prototype A) | 27 March 2007 | Nintendo DS | | - |
| Contra 4 (March 27, 2007 prototype B) | 27 March 2007 | Nintendo DS | | - |
| Contra 4 (March 27, 2007 prototype C) | 27 March 2007 | Nintendo DS | | - |
| Contra 4 (March 27, 2007 prototype D) | 27 March 2007 | Nintendo DS | | - |
| Contra 4 (March 28, 2007 prototype A) | 28 March 2007 | Nintendo DS | | - |
| Contra 4 (March 28, 2007 prototype B) | 28 March 2007 | Nintendo DS | | - |
| Contra 4 (March 29, 2007 prototype A) | 29 March 2007 | Nintendo DS | | - |
| Contra 4 (March 29, 2007 prototype B) | 29 March 2007 | Nintendo DS | | - |
| Contra 4 (March 29, 2007 prototype C) | 29 March 2007 | Nintendo DS | | - |
| Contra 4 (March 29, 2007 prototype D) | 29 March 2007 | Nintendo DS | | - |
| Contra 4 (March 30, 2007 prototype A) | 30 March 2007 | Nintendo DS | | - |
| Contra 4 (March 30, 2007 prototype B) | 30 March 2007 | Nintendo DS | | - |
| Contra 4 (March 30, 2007 prototype C) | 30 March 2007 | Nintendo DS | | - |
| Contra 4 (March 30, 2007 prototype D) | 30 March 2007 | Nintendo DS | | - |
| Contra 4 (March 4, 2007 prototype A) | 4 March 2007 | Nintendo DS | | - |
| Contra 4 (March 6, 2007 prototype) | 6 March 2007 | Nintendo DS | | - |
| Contra 4 (March 7, 2007 prototype A) | 7 March 2007 | Nintendo DS | | - |
| Contra 4 (March 7, 2007 prototype B) | 7 March 2007 | Nintendo DS | | - |
| Contra 4 (March 7, 2007 prototype C) | 7 March 2007 | Nintendo DS | | - |
| Contra 4 (March 7, 2007 prototype D) | 7 March 2007 | Nintendo DS | | - |
| Contra 4 (March 8, 2007 prototype A) | 8 March 2007 | Nintendo DS | | - |
| Contra 4 (March 8, 2007 prototype B) | 8 March 2007 | Nintendo DS | | - |
| Contra 4 (March 8, 2007 prototype C) | 8 March 2007 | Nintendo DS | | - |
| Contra 4 (May 1, 2007 prototype A) | 1 May 2007 | Nintendo DS | | - |
| Contra 4 (May 1, 2007 prototype B) | 1 May 2007 | Nintendo DS | | - |
| Contra 4 (May 1, 2007 prototype C) | 1 May 2007 | Nintendo DS | | - |
| Contra 4 (May 1, 2007 prototype D) | 1 May 2007 | Nintendo DS | | - |
| Contra 4 (May 10, 2007 prototype A) | 10 May 2007 | Nintendo DS | | - |
| Contra 4 (May 10, 2007 prototype B) | 10 May 2007 | Nintendo DS | | - |
| Contra 4 (May 12, 2007 prototype A) | 12 May 2007 | Nintendo DS | | - |
| Contra 4 (May 12, 2007 prototype B) | 12 May 2007 | Nintendo DS | | - |
| Contra 4 (May 12, 2007 prototype C) | 12 May 2007 | Nintendo DS | | - |
| Contra 4 (May 13, 2007 prototype A) | 13 May 2007 | Nintendo DS | | - |
| Contra 4 (May 13, 2007 prototype B) | 13 May 2007 | Nintendo DS | | - |
| Contra 4 (May 14, 2007 prototype) | 14 May 2007 | Nintendo DS | | - |
| Contra 4 (May 15, 2007 prototype A) | 15 May 2007 | Nintendo DS | | - |
| Contra 4 (May 15, 2007 prototype B) | 15 May 2007 | Nintendo DS | | - |
| Contra 4 (May 15, 2007 prototype C) | 15 May 2007 | Nintendo DS | | - |
| Contra 4 (May 16, 2007 prototype A) | 16 May 2007 | Nintendo DS | | - |
| Contra 4 (May 16, 2007 prototype B) | 16 May 2007 | Nintendo DS | | - |
| Contra 4 (May 16, 2007 prototype C) | 16 May 2007 | Nintendo DS | | - |
| Contra 4 (May 17, 2007 prototype A) | 17 May 2007 | Nintendo DS | | - |
| Contra 4 (May 17, 2007 prototype B) | 17 May 2007 | Nintendo DS | | - |
| Contra 4 (May 17, 2007 prototype C) | 17 May 2007 | Nintendo DS | | - |
| Contra 4 (May 2, 2007 prototype A) | 2 May 2007 | Nintendo DS | | - |
| Contra 4 (May 2, 2007 prototype B) | 2 May 2007 | Nintendo DS | | - |
| Contra 4 (May 2, 2007 prototype C) | 2 May 2007 | Nintendo DS | | - |
| Contra 4 (May 20, 2007 prototype A) | 20 May 2007 | Nintendo DS | | - |
| Contra 4 (May 20, 2007 prototype B) | 20 May 2007 | Nintendo DS | | - |
| Contra 4 (May 20, 2007 prototype C) | 20 May 2007 | Nintendo DS | | - |
| Contra 4 (May 21, 2007 prototype A) | 21 May 2007 | Nintendo DS | | - |
| Contra 4 (May 21, 2007 prototype B) | 21 May 2007 | Nintendo DS | | - |
| Contra 4 (May 21, 2007 prototype C) | 21 May 2007 | Nintendo DS | | - |
| Contra 4 (May 22, 2007 prototype A) | 22 May 2007 | Nintendo DS | | - |
| Contra 4 (May 22, 2007 prototype B) | 22 May 2007 | Nintendo DS | | - |
| Contra 4 (May 23, 2007 prototype A) | 23 May 2007 | Nintendo DS | | - |
| Contra 4 (May 23, 2007 prototype B) | 23 May 2007 | Nintendo DS | | - |
| Contra 4 (May 24, 2007 prototype) | 24 May 2007 | Nintendo DS | | - |
| Contra 4 (May 25, 2007 prototype) | 25 May 2007 | Nintendo DS | | - |
| Contra 4 (May 28, 2007 prototype) | 28 May 2007 | Nintendo DS | | - |
| Contra 4 (May 3, 2007 prototype A) | 3 May 2007 | Nintendo DS | | - |
| Contra 4 (May 3, 2007 prototype B) | 3 May 2007 | Nintendo DS | | - |
| Contra 4 (May 3, 2007 prototype C) | 3 May 2007 | Nintendo DS | | - |
| Contra 4 (May 30, 2007 prototype) | 30 May 2007 | Nintendo DS | | - |
| Contra 4 (May 4, 2007 prototype A) | 4 May 2007 | Nintendo DS | | - |
| Contra 4 (May 4, 2007 prototype B) | 4 May 2007 | Nintendo DS | | - |
| Contra 4 (May 4, 2007 prototype C) | 4 May 2007 | Nintendo DS | | - |
| Contra 4 (May 5, 2007 prototype A) | 5 May 2007 | Nintendo DS | | - |
| Contra 4 (May 5, 2007 prototype B) | 5 May 2007 | Nintendo DS | | - |
| Contra 4 (May 5, 2007 prototype C) | 5 May 2007 | Nintendo DS | | - |
| Contra 4 (May 6, 2007 prototype A) | 6 May 2007 | Nintendo DS | | - |
| Contra 4 (May 6, 2007 prototype B) | 6 May 2007 | Nintendo DS | | - |
| Contra 4 (May 6, 2007 prototype C) | 6 May 2007 | Nintendo DS | | - |
| Contra 4 (May 7, 2007 prototype A) | 7 May 2007 | Nintendo DS | | - |
| Contra 4 (May 7, 2007 prototype B) | 7 May 2007 | Nintendo DS | | - |
| Contra 4 (May 8, 2007 prototype A) | 8 May 2007 | Nintendo DS | | - |
| Contra 4 (May 8, 2007 prototype B) | 8 May 2007 | Nintendo DS | | - |
| Contra 4 (May 8, 2007 prototype C) | 8 May 2007 | Nintendo DS | | - |
| Contra 4 (May 9, 2007 prototype A) | 9 May 2007 | Nintendo DS | | - |
| Contra 4 (May 9, 2007 prototype B) | 9 May 2007 | Nintendo DS | | - |
| Contra 4 (May 9, 2007 prototype C) | 9 May 2007 | Nintendo DS | | - |
| Contra 4 (November 15, 2007 prototype) | 15 November 2007 | Nintendo DS | | - |
| Contra 4 (November 19, 2007 prototype) | 19 November 2007 | Nintendo DS | | - |
| Contra 4 (November 20, 2007prototype) | 20 November 2007 | Nintendo DS | | - |
| Contra 4 (November 9, 2007 prototype) | 9 November 2007 | Nintendo DS | | - |
| Contra 4 (October 15, 2007 prototype A) | 15 October 2007 | Nintendo DS | | - |
| Contra 4 (October 15, 2007 prototype B) | 15 October 2007 | Nintendo DS | | - |
| Contra 4 (October 16, 2007 prototype) | 16 October 2007 | Nintendo DS | | - |
| Contra 4 (October 23, 2007 prototype) | 23 October 2007 | Nintendo DS | | - |
| Contra 4 (September 10, 2007 prototype) | 10 September 2007 | Nintendo DS | | - |
| Contra 4 (September 12, 2007 prototype) | 12 September 2007 | Nintendo DS | | - |
| Contra 4 (September 21, 2007 prototype) | 21 September 2007 | Nintendo DS | | - |
| Contra 4 (September 5, 2007 prototype A) | 5 September 2007 | Nintendo DS | | - |
| Contra 4 (September 5, 2007 prototype B) | 5 September 2007 | Nintendo DS | | - |
| Contra 4 (September 5, 2007 prototype C) | 5 September 2007 | Nintendo DS | | - |
| Contra 4 (September 7, 2007 prototype A) | 7 September 2007 | Nintendo DS | | - |
| Contra Advance (Review Prototype) | | Game Boy Advance | run-n-gun | - |
| Contra Evolution (Feb 10, 2010 prototype) | 10 February 2010 10:49:51 | Xbox 360 | 3D Shooter, Run-N-Gun | ✓ |
| Contra III: The Alien Wars (Japanese prototype A) | | SNES | Run-n-gun | - |
| Contra III: The Alien Wars (Japanese prototype B) | | SNES | | - |
| Contra III: The Alien Wars (Review Prototype) | | SNES | run-n-gun | - |
| Contra IV: The Alien Wars (Regional Intermediate Prototype) | | SNES | run-n-gun | - |
| Contra: Legacy of War (Aug 23, 1996 prototype) | 23 August 1996 19:41:38 | PlayStation | Run-n-gun | - |
| Contra: Legacy of War (Jan 28, 1997 Prototype) | 28 January 1997 | Sega Saturn | Run-n-gun | - |
| Contra: Legacy of War (Oct 3, 1996 prototype) | 3 October 1996 04:12:38 | PlayStation | 3D Shooter, Run-N-Gun | - |
| Contra: Shattered Soldier (Jul 1, 2002 prototype) | 1 July 2002 11:15:30 | PlayStation 2 | Run and gun | - |
| Contra: Shattered Soldier (May 8, 2002 prototype) | 8 May 2002 14:52:40 | PlayStation 2 | Shoot em Up | - |
| Contrast (Aug 19, 2013 prototype) | 19 August 2013 | Xbox 360 | Puzzle, Platformer, Action-Adventure | - |
| Controller Pak Test Program v5.4 (Prototype) | | Nintendo 64 | Diagnostic | ✓ |
| Controller Test Cartridge | | SNES | Hardware Diagnostics | - |
| Cool Boarders 2001 (Aug 21, 2000 prototype) | 21 August 2000 11:20:14 | PlayStation | Snowboarding | - |
| Cool Boarders 3 (Jul 1, 1998 prototype) | 1 July 1998 18:57:10 | PlayStation | Sports - Snowboarding | - |
| Cool Boarders Burrrn (Aug 19, 1999 prototype) | 19 August 1999 18:20:13 | Dreamcast | Sports - Snowboarding | - |
| Cool Boarders Burrrn (Jun 22, 1999 prototype) | 22 June 1999 19:57:34 | Dreamcast | Sports - Snowboarding | - |
| Cool Bricks (Mar 24, 1999 prototype) | 24 March 1999 | Game Boy Color | Action | - |
| Cool Bricks (May 10, 1999 prototype) | 10 May 1999 | Game Boy Color | Action | - |
| Cool Cool Jam (Demo) | | Neo Geo Pocket Color | Rhythm | - |
| Cool Spot (European build) | | Sega Mega Drive | Platform | - |
| Cool Spot (May 11, 1994 prototype) | 11 May 1994 | PC | Platform | - |
| Cool Spot (May 3, 1994 prototype) | 3 May 1994 | PC | Platform | - |
| Cool Spot (Mega Drive prototype) | | Sega Mega Drive | Platform | - |
| Cooly Skunk (Prototype) | | Satellaview | Action | ✓ |
| Corn Buster (Prototype) | | SNES | Action | ✓ |
| CornersTest (Aug 28, 2008 prototype) | | Xbox 360 | | ✓ |
| Corpse Party Blood Covered (Sep 11, 2009 demo) | 11 September 2009 | PC | Survival Horror Adventure | - |
| Corpse Party: Book of Shadows (JP demo) | | PlayStation Portable | Adventure | - |
| Corpse Party: Sweet Sachiko’s Hysteric Birthday Bash (Trial demo) | | PlayStation Portable | Adventure | - |
| Corridor 8 (prototype) | | PC | | ✓ |
| Corvette (Aug 4, 2003 prototype) | 4 August 2003 21:01:08 | Xbox | Racing | - |
| Cosmic Carnage (Oct 11, 1994 prototype) | 11 October 1994 06:32:32 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Oct 13, 1994 prototype) | 13 October 1994 06:42:58 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Oct 4, 1994 prototype) | 4 October 1994 09:43:02 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Oct 5, 1994 prototype) | 5 October 1994 09:17:16 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Oct 7, 1994 prototype) | 7 October 1994 09:40:00 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Sep 21, 1994 prototype) | 26 September 1994 06:41:50 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Sep 26, 1994 prototype) | 27 September 1994 19:41:46 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Sep 28, 1994 prototype) | 3 October 1994 08:39:24 | Sega 32X | Fighter (2D) | - |
| Cosmic Carnage (Sep 6, 1994 prototype) | 6 September 1994 14:24:30 | Sega 32X | Fighter (2D) | - |
| Cosmic Swarm (prototype) | | Atari 2600 | Fixed Shooter | - |
| Cosmo Tank (US Prototype) | | Game Boy | Action | - |
| Cosmos Chaos (prototype) | | Nintendo DS | Edutainment | - |
| Costume Quest (Aug 22, 2010 prototype) | 22 August 2010 | Xbox 360 | Action & Adventure | - |
| Costume Quest 2 (Sep 30, 2014 prototype) | 30 September 2014 | Xbox 360 | Role-Playing | - |
| Countdown Vampires (Feb 15, 2000 prototype) | 15 February 2000 13:14:48 | PlayStation | Survival Horror | - |
| Counter-Strike (Oct 22, 2003 prototype) | 22 October 2003 | Xbox | First-Person Shooter | - |
| Counter-Strike (Sep 5, 2003 prototype) | 5 September 2003 02:52:45 | Xbox | First-Person Shooter | - |
| Counter-Strike Nexon: Zombies (Jul 23, 2014 prototype) | 23 July 2014 15:34:45 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Oct 6, 2014 18.27 prototype) | 6 October 2014 18:27:00 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Oct 6, 2014 18.57 prototype) | 6 October 2014 18:57:32 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Sep 15, 2014 prototype) | 15 September 2014 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Sep 20, 2014 prototype) | 20 September 2014 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Sep 21, 2014 prototype) | 21 September 2014 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Sep 22, 2014 prototype) | 22 September 2014 | PC | Action | - |
| Counter-Strike Nexon: Zombies (Sep 23, 2014 prototype) | 23 September 2014 16:04:00 | PC | Action | - |
| Counter-Strike Online (Dec 16, 2008 prototype) | 16 December 2008 | PC | First-Person Shooter | - |
| Counter-Strike Online (Jun 11, 2008 prototype) | 11 June 2008 | PC | First-Person Shooter | - |
| Counter-Strike Online (Mar 23, 2015 prototype) | 23 March 2015 | PC | First-Person Shooter | - |
| Counter-Strike Online (May 27, 2010 prototype) | 27 May 2010 | PC | First-Person Shooter | - |
| Counter-Strike Online (Oct 12, 2010 prototype) | 12 October 2010 | PC | First-Person Shooter | - |
| Counter-Strike: Condition Zero (Sep 24, 2003 prototype) | 24 September 2003 | PC | Shooter | - |
| Counter-Strike: Global Offensive (Apr 20, 2012 prototype) | 20 April 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Apr 27, 2012 prototype) | 27 April 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Aug 11, 2012 prototype) | 11 August 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Aug 17, 2012 prototype) | 17 August 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Aug 8, 2011 prototype) | 8 August 2011 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Dec 2, 2011 prototype) | 2 December 2011 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Dec 22, 2011 prototype) | 22 December 2011 03:16:30 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Feb 24, 2012 prototype) | 24 February 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Jun 12, 2012 prototype) | 12 June 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Jun 7, 2012 prototype) | 7 June 2012 | Xbox 360 | First Person-Shooter | - |
| Counter-Strike: Global Offensive (June 18, 2012 prototype) | 18 June 2012 17:20:17 | PC | | - |
| Counter-Strike: Global Offensive (Mar 15, 2012 prototype) | 15 March 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Mar 20, 2012 prototype) | 20 March 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Mar 28, 2012 prototype) | 28 March 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Mar 5, 2012 prototype) | 5 March 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Mar 9, 2012 prototype) | 9 March 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (May 16, 2012 prototype) | 16 May 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (May 9, 2012 prototype) | 9 May 2012 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Nov 29, 2011 prototype) | 29 November 2011 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Sep 13, 2012 21.45 prototype) | 13 September 2012 21:45:00 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Sep 13, 2012 22.37 prototype) | 13 September 2012 22:37:00 | PC | First-Person Shooter | - |
| Counter-Strike: Global Offensive (Sep 13, 2012 23.20 prototype) | 13 September 2012 23:20:00 | PC | First-Person Shooter | - |
| Counter-Strike: Source (Sep 23, 2003 prototype) | 23 September 2003 | PC | Action, Shooter, First-Person Shooter | - |
| Crack'ed (Nov 28, 1988 prototype) | | Atari 2600 | | ✓ |
| Crackdown (Apr 3, 2006 prototype) | 3 April 2006 00:00:00 | Xbox 360 | Action Adventure | - |
| Crackdown (Apr 30, 2007 prototype) | 30 April 2007 07:17:43 | Xbox 360 | Action Adventure | - |
| Crackdown (Dec 16, 2005 prototype) | 16 December 2005 09:48:37 | Xbox 360 | Action Adventure | - |
| Crackdown (Dec 22, 2006 prototype) | 22 December 2006 | Xbox 360 | Action-Adventure | - |
| Crackdown (Jan 12, 2006 A prototype) | 12 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 12, 2006 B prototype) | 12 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 16, 2007 demo) | 16 January 2007 | Xbox 360 | Action-Adventure | - |
| Crackdown (Jan 18, 2006 prototype) | 18 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 19, 2006 prototype) | 19 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 4, 2006 prototype) | 4 January 2006 03:27:05 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 5, 2006 prototype) | 5 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 6, 2006 prototype) | 6 January 2006 | Xbox 360 | Action Adventure | - |
| Crackdown (Jan 8, 2006 prototype) | 8 January 2006 | Xbox 360 | | - |
| Crackdown (Mar 21, 2006 prototype) | 21 March 2006 03:21:09 | Xbox 360 | Action Adventure | - |
| Crackdown (Mar 22, 2006 prototype) | 22 March 2006 03:08:06 | Xbox 360 | Action Adventure | - |
| Crackdown (Mar 3, 2006 17.09 prototype) | 3 March 2006 17:09:02 | Xbox 360 | Action Adventure | - |
| Crackdown (Mar 3, 2006 prototype) | 3 March 2006 16:38:16 | Xbox 360 | Action Adventure | - |
| Crackdown (Mar 30, 2007 prototype) | 30 March 2007 10:36:40 | Xbox 360 | Action Adventure | - |
| Crackdown (Mar 7, 2006 prototype) | 7 March 2006 11:45:30 | Xbox 360 | Action Adventure | - |
| Crackdown (Nov 30, 2006 prototype) | 30 November 2006 22:16:38 | Xbox 360 | Action-Adventure | - |
| Crackdown (Sep 1, 2005 prototype) | 1 September 2005 00:00:00 | Xbox 360 | Action Adventure | - |
| Crank the Weasel (Prototype) | 2002 | PC | Action | ✓ |
| Crash 'n' Burn (Aug 23, 2004 prototype) | 23 August 2004 | PlayStation 2 | Racing, vehicular combat | - |
| Crash 'n' Burn (Aug 25, 2004 prototype) | 25 August 2004 | PlayStation 2 | Racing, vehicular combat | - |
| Crash 'n' Burn (Aug 31, 2004 prototype) | 31 August 2004 14:26:36 | Xbox | Racing | - |
| Crash Bandicoot (Apr 8, 1996 prototype) | 8 April 1996 | PlayStation | Platform | - |
| Crash Bandicoot (Jul 15, 1996 prototype) | 15 July 1996 22:43:04 | PlayStation | Platform | - |
| Crash Bandicoot (May 11, 1996 prototype) | 11 May 1996 | PlayStation | Platform | - |
| Crash Bandicoot 2: Cortex Strikes Back (Jun 15, 1997 prototype) | 15 June 1997 21:50:58 | PlayStation | Platform | - |
| Crash Bandicoot 2: Cortex Strikes Back (Sep 13, 1997 prototype) | 13 September 1997 13:58:56 | PlayStation | Platform | - |
| Crash Bandicoot 2: Cortex Strikes Back (Sep 14, 1997 prototype) | 14 September 1997 | PlayStation | Platform | - |
| Crash Bandicoot 2: Cortex Strikes Back (Sep 29, 1997 prototype) | 29 September 1997 11:30:26 | PlayStation | Platform | - |
| Crash Bandicoot: The Wrath Of Cortex (Dec 17, 2001 prototype) | 17 December 2001 18:46:45 | Nintendo GameCube | Platformer | - |
| Crash Bandicoot: The Wrath Of Cortex (Jul 24, 2002 prototype) | 24 July 2002 15:30:15 | Nintendo GameCube | Platformer | - |
| Crash Bandicoot: The Wrath Of Cortex (May 15, 2001 prototype) | 15 May 2001 19:03:46 | PlayStation 2 | Platformer | - |
| Crash Bandicoot: The Wrath Of Cortex (Sep 11, 2001 prototype) | 11 September 2001 | PlayStation 2 | Platformer | - |
| Crash Bandicoot: The Wrath Of Cortex (Sep 21, 2001 prototype) | 21 September 2001 | PlayStation 2 | Platformer | - |
| Crash Bandicoot: The Wrath Of Cortex (Sep 27, 2001 prototype) | 27 September 2001 | PlayStation 2 | Platformer | - |
| Crash Bandicoot: The Wrath of Cortex (Jul 22, 2002 demo) | 22 July 2002 | Xbox | Action, Platformer | - |
| Crash Bandicoot: Warped (Aug 14, 1998 prototype) | 14 August 1998 18:32:40 | PlayStation | Platform | - |
| Crash Bandicoot: Warped (Aug 26, 1998 prototype) | 26 August 1998 11:54:50 | PlayStation | Platform | - |
| Crash Bandicoot: Warped (Demo 1 - Toys R Us "Test Drive") | 29 July 1998 10:21:02 | PlayStation | Platform | - |
| Crash Bandicoot: Warped (Jul 17, 1998 prototype) | 17 July 1998 | PlayStation | Platform | - |
| Crash Bandicoot: Warped (Oct 11, 1998 prototype) | 11 October 1998 13:22:11 | PlayStation | Platform | - |
| Crash Bandicoot: Warped (Sep 26, 1998 prototype) | 26 September 1998 16:38:58 | PlayStation | Platform | - |
| Crash Bash (Aug 23, 2000 prototype) | 23 August 2000 04:46:38 | PlayStation | Party | - |
| Crash Bash (Oct 9, 2000 prototype) | 9 October 2000 10:53:43 | PlayStation | Party | - |
| Crash Bash (Sep 14, 2000 prototype) | 14 September 2000 02:13:21 | PlayStation | Party | - |
| Crash Landed (Jul 28, 2009 prototype) | 28 July 2009 | Nintendo DS | Platformer | ✓ |
| Crash Landed (Jul 31, 2009 prototype A) | 31 July 2009 | Nintendo DS | Platformer | ✓ |
| Crash Landed (Jul 31, 2009 prototype B) | 31 July 2009 14:47:10 | Nintendo DS | Platformer | ✓ |
| Crash Nitro Kart (Jul 29, 2003 prototype) | 29 July 2003 18:05:25 | Xbox | Racing | - |
| Crash Nitro Kart (Oct 4, 2003 prototype) | 4 October 2003 03:47:12 | PlayStation 2 | Racing | - |
| Crash Nitro Kart (Sep 2, 2003 prototype) | 2 September 2003 16:52:44 | Xbox | Racing | - |
| Crash Tag Team Racing (Jun 29th, 2005 prototype) | 29 June 2005 22:37:14 | Xbox | Racing | - |
| Crash Tag Team Racing (May 24, 2005 prototype) | 24 May 2005 18:24:08 | PlayStation 2 | Racing | - |
| Crash Tag Team Racing (Sep 28, 2005 prototype) | 28 September 2005 11:29:11 | PlayStation 2 | Racing | - |
| Crash Team Racing (Aug 14, 1999 prototype) | 14 August 1999 21:58:14 | PlayStation | Racing | - |
| Crash Team Racing (Aug 5, 1999 prototype) | 5 August 1999 | PlayStation | Racing | - |
| Crash Team Racing (Sep 3, 1999 prototype) | 3 September 1999 | PlayStation | Racing | - |
| Crash Team Racing: Nitro Fueled (Aug 15, 2019 prototype) | 15 August 2019 | PlayStation 4 | Driving/Racing | - |
| Crash Time II (Oct 29, 2008 demo) | 29 October 2008 | PC | Driving/Racing, Vehicular Combat | - |
| Crash Twinsanity (Aug 3, 2004 prototype) | 3 August 2004 | PlayStation 2 | Action Adventure | - |
| Crash Twinsanity (Jul 19, 2004 prototype) | 19 July 2004 19:33:35 | PlayStation 2 | Action Adventure | - |
| Crash Twinsanity / Spyro: A Hero's Tail (E3 prototype) | | PlayStation 2 | | - |
| Crash of the Titans (Aug 26, 2007 prototype) | 26 August 2007 01:41:27 | PlayStation Portable | Action Platformer
Beat 'em Up | - |
| Crash of the Titans (Aug 27, 2007 prototype) | 27 August 2007 13:38:50 | PlayStation 2 | Action | - |
| Crash: Mind over Mutant (Jul 15, 2008 prototype) | 15 July 2008 | Xbox 360 | Platform | - |
| Crash: Mind over Mutant (Jul 16, 2008 prototype) | 16 July 2008 | Nintendo Wii | Action-adventure | - |
| Crash: Mind over Mutant (Sep 22, 2008 prototype) | 22 September 2008 | Nintendo Wii | Action-adventure | - |
| Crash: Mind over Mutant (Sep 7, 2008 prototype) | 7 September 2008 | PlayStation Portable | Action Adventure | - |
| Crayola Crayons Create a World (Jun 14, 1994 prototype) | 14 June 1994 22:55:00 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Jun 23, 1994 prototype) | 23 June 1994 08:51:28 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Jun 30, 1994 prototype) | 1 July 1994 22:13:50 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Oct 11, 1994 prototype) | 11 October 1994 08:06:14 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Oct 12, 1994 prototype) | 12 October 1994 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Oct 6, 1994 prototype) | 6 October 1994 13:47:50 | Sega Pico | Educational | - |
| Crayola Crayons Create a World (Sep 26, 1994 prototype) | 26 September 1994 14:38:06 | Sega Pico | Educational | - |
| Crayon Shinchan Oekaki Note (Prototype A) | | Sega Pico | Educational | - |
| Crayon Shinchan Oekaki Note (Prototype B) | | Sega Pico | Educational | - |
| Crayon Shinchan Oekaki Note (Prototype C) | | Sega Pico | Educational | - |
| Crazy Climber (prototype A) | | Atari 2600 | Action | - |
| Crazy Climber (prototype B) | | Atari 2600 | Action | - |
| Crazy Climber (prototype C) | | Atari 2600 | Action | - |
| Crazy Climber (prototype D) | | Atari 2600 | Action | - |
| Crazy Faces (Prototype) | | Game Gear | Puzzle | ✓ |
| Crazy Frog Racer (Oct 18, 2005 prototype) | 18 October 2005 02:55:20 | PlayStation 2 | Racing | - |
| Crazy Land (May 27, 1991 prototype) | 27 May 1991 | NES | Action | ✓ |
| Crazy Machines Elements (Apr 14, 2011 prototype) | 14 April 2011 | Xbox 360 | Puzzle | - |
| Crazy Mini Golf 2 (Jun 15, 2009 prototype) | 15 June 2009 | Nintendo Wii | Sports - Golf | - |
| Crazy Mini Golf 2 (Oct 1, 2009 prototype) | 1 October 2009 | Nintendo Wii | Sports - Golf | - |
| Crazy Mouse (Jun 19, 2008 prototype) | 19 June 2008 | Xbox 360 | Arcade | - |
| Crazy Taxi (Apr 20, 2001 prototype) | 20 April 2001 00:04:56 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Apr 26, 2001 prototype) | 26 April 2001 05:17:54 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Apr 27, 2001 prototype) | 27 April 2001 11:59:22 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Apr 3, 2001 10.48 prototype) | 3 April 2001 10:48:40 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Apr 3, 2001 16.14 prototype) | 3 April 2001 16:14:56 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Apr 8, 2001 prototype) | 8 April 2001 18:37:04 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Aug 14, 2001 prototype) | 14 August 2001 15:19:34 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Dec 13, 1999 prototype) | 13 December 1999 00:00:00 | Dreamcast | Arcade | - |
| Crazy Taxi (Dec 3, 1999 prototype) | 3 December 1999 00:00:00 | Dreamcast | Arcade | - |
| Crazy Taxi (Feb 6, 2001 prototype) | 6 February 2001 13:54:18 | PlayStation 2 | Arcade Action | - |
| Crazy Taxi (Jan 14, 2000 prototype) | 14 January 2000 00:00:00 | Dreamcast | Arcade | - |
| Crazy Taxi (Jan 18, 2010 prototype) | 18 January 2010 02:06:17 | Xbox 360 | Action | - |
| Crazy Taxi (Jan 19, 2010 prototype) | 19 January 2010 07:30:37 | Xbox 360 | Action | - |
| Crazy Taxi (Mar 9, 2010 prototype) | 9 March 2010 | Xbox 360 | | - |
| Crazy Taxi (Nov 14, 1999 prototype) | 14 November 1999 | Dreamcast | Action | - |
| Crazy Taxi (Oct 30, 1999 prototype) | 30 October 1999 04:22:37 | Dreamcast | Action | - |
| Crazy Taxi (Sep 21, 2001 prototype) | 21 September 2001 | Nintendo GameCube | Action | - |
| Crazy Taxi 2 (Mar 11, 2001 prototype) | 11 March 2001 | Dreamcast | Arcade | - |
| Crazy Taxi 2 (May 14, 2001 prototype) | 14 May 2001 18:31:21 | Dreamcast | Arcade | - |
| Crazy Taxi 3: High Roller (Apr 15, 2002 prototype) | 15 April 2002 13:50:09 | Xbox | Racing, Action | - |
| Crazy Taxi 3: High Roller (May 29, 2002 prototype) | 29 May 2002 13:19:12 | Xbox | Racing, Action | - |
| Crazy Taxi: Catch a Ride (Prototype) | | Game Boy Advance | Action | - |
| Crazy Taxi: Fare Wars (Jun 28, 2007 prototype) | 28 June 2007 | PlayStation Portable | Racing, action | - |
| Create (Oct 29, 2010 demo) | 29 October 2010 | PC | Puzzle, Shoot 'Em Up | - |
| Creation (Oct 26, 1995 demo) | 26 October 1995 07:04:00 | PC | Simulation | ✓ |
| Creation for the Imagination (May 28, 1993 prototype) | 28 May 1993 10:08:38 | Philips CD-i | Reference | ✓ |
| Creation with Media Mogul (Jun 17, 1993 prototype) | 17 June 1993 16:52:03 | Philips CD-i | Reference | ✓ |
| Creature Shock (Oct 28, 1995 prototype) | 28 October 1995 21:12:13 | Sega Saturn | First Person Shooter | - |
| Creatures 3 (Oct 21, 1999 prototype) | 21 October 1999 | PC | | - |
| Crime Killer (Apr 1, 1998 prototype) | 1 April 1998 | PlayStation | Vehicular Combat | - |
| Crime Killer (Apr 12, 1998 prototype) | 12 April 1998 | PlayStation | Vehicular Combat | - |
| Crime Killer (Dec 3, 1997 prototype) | 3 December 1997 18:07:10 | PlayStation | Vehicular Combat | - |
| Crime Life: Gang Wars (Aug 9, 2005 prototype) | 9 August 2005 13:11:26 | Xbox | Action-Adventure | - |
| Crime Patrol (Sep 25, 1996 prototype) | 25 September 1996 | Sega Saturn | FMV | ✓ |
| Crimewave (Jul 16, 1996 prototype) | 16 July 1996 18:08:46 | Sega Saturn | Vehicular Combat | - |
| Crimewave (Nov 4, 1996 prototype) | 4 November 1996 13:40:36 | Sega Saturn | Vehicular Combat | - |
| Crimewave (Oct 15, 1996 prototype) | 15 October 1996 11:02:38 | Sega Saturn | Vehicular Combat | - |
| Criminal Persuit (NTSC prototype) | | Atari 2600 | Platformer | - |
| Crimson Alliance (Jun 28, 2011 prototype) | 28 June 2011 | Xbox 360 | Action Adventure | - |
| Crimson Dragon (Apr 10, 2012 Prototype) | 10 April 2012 16:54:25 | Xbox 360 | Rail Shooter | ✓ |
| Crimson Dragon (Mar 27, 2012 Prototype) | 27 March 2012 | Xbox 360 | Rail Shooter | ✓ |
| Crimson Sea (Oct 16, 2002 prototype) | 16 October 2002 06:11:24 | Xbox | Action-Adventure | - |
| Crimson Sea 2 (Feb 6, 2004 prototype) | 6 February 2004 11:03:32 | PlayStation 2 | Shoot-em-Up | - |
| Crimson Sea 2 (Jan 4, 2004 prototype) | 4 January 2004 15:29:07 | PlayStation 2 | Shoot-em-Up | - |
| Crimson Skies: High Road to Revenge (Aug 7, 2001 prototype) | 7 August 2001 23:06:26 | Xbox | Aircraft Combat Simulator | - |
| Crimson Skies: High Road to Revenge (Jun 4, 2003 prototype) | 4 June 2003 19:28:35 | Xbox | Aircraft Combat Simulator | - |
| Crisis Zone (Aug 2, 2004 prototype) | 2 August 2004 | PlayStation 2 | Light gun shooter | - |
| Crisis Zone (Jun 18, 2004 prototype) | 18 June 2004 20:17:50 | PlayStation 2 | Rail shooter | - |
| Critter Crunch (Sep 3, 2009 prototype) | 3 September 2009 | Xbox 360 | Puzzle | ✓ |
| Critter Crunch (prototype) | | PlayStation 3 | Puzzle | - |
| Croc (Early prototype A) | | Game Boy Color | Platformer | - |
| Croc (Early prototype B) | | Game Boy Color | Platformer | - |
| Croc 2 (Apr 30, 1999 prototype) | 30 April 1999 18:58:38 | PlayStation | Platform | - |
| Croc 2 (Jun 13, 1999 prototype) | 13 June 1999 22:17:36 | PlayStation | Platform | - |
| Croc: Legend of the Gobbos (Aug 11, 1996 prototype) | 6 September 1996 15:00:00 | PlayStation | Adventure | - |
| Croc: Legend of the Gobbos (Feb 28, 1997 prototype) | 28 February 1997 12:00:00 | PlayStation | Adventure | - |
| Croc: Legend of the Gobbos (Sep 2, 1997 prototype) | 2 September 1997 09:51:48 | Sega Saturn | Platformer | - |
| Crossbow (Early prototype) | | NES | Action | ✓ |
| Crossfire (Prototype) | | Sega Mega Drive | Shooting | - |
| Crouching Tiger, Hidden Dragon (Feb 20, 2002 prototype) | 20 February 2002 | Game Boy Advance | Action | - |
| Crouching Tiger, Hidden Dragon (PATIENCE prototype) | | Game Boy Advance | Action | - |
| Crusty Demons (Aug 23, 2005 prototype) | 23 August 2005 | Xbox | Racing | - |
| Cry Of Fear (Jun 7, 2010 prototype) | 7 June 2010 | PC | Action, Adventure, First-Person Shooter | - |
| CryEngine (May 30, 2012 prototype) | 30 May 2012 00:09:30 | Xbox 360 | SDK | - |
| CryEngine (Oct 26, 2011 prototype) | 26 October 2011 15:06:16 | Xbox 360 | SDK | - |
| CryEngine 3 (Feb 10, 2011 prototype) | 10 February 2011 | Xbox 360 | | - |
| CryEngine 3 (Feb 3, 2011 prototype) | 3 February 2011 | Xbox 360 | | - |
| Crying Dragon (Prototype) | | Sega Mega Drive | RPG | ✓ |
| Crypt Killer (Jan 8, 1997 prototype) | 8 January 1997 04:44:12 | Sega Saturn | Rail Shooter | - |
| Crysis (Aug 1, 2011 prototype) | 1 August 2011 | Xbox 360 | FPS | - |
| Crysis (Aug 14, 2009 prototype) | 14 August 2009 02:53:41 | Xbox 360 | First Person Shooter | - |
| Crysis (Aug 16, 2011 prototype) | 16 August 2011 | Xbox 360 | FPS | - |
| Crysis (Aug 23, 2011 prototype) | 23 August 2011 | Xbox 360 | FPS | - |
| Crysis (Feb 11, 2011 prototype) | 11 February 2011 00:29:55 | Xbox 360 | First Person Shooter | - |
| Crysis (Feb 4, 2011 prototype) | 4 February 2011 01:26:41 | Xbox 360 | First Person Shooter | - |
| Crysis (Jul 12, 2011 prototype) | 12 July 2011 | Xbox 360 | FPS | - |
| Crysis (Jul 28, 2011 prototype) | 28 July 2011 | Xbox 360 | FPS | - |
| Crysis (Jul 29, 2011 prototype) | 29 July 2011 | Xbox 360 | FPS | - |
| Crysis (Jun 7, 2007 Multiplayer prototype) | 7 June 2007 | PC | First Person Shooter | - |
| Crysis (May 26, 2011 prototype) | 26 May 2011 | Xbox 360 | FPS | - |
| Crysis (Oct 19, 2010 prototype) | 19 October 2010 12:27:59 | Xbox 360 | First Person Shooter | - |
| Crysis (Oct 22, 2007 demo) | 22 October 2007 | PC | First Person Shooter | - |
| Crysis (Sep 13, 2007 Multiplayer prototype) | 13 September 2007 | PC | First Person Shooter | - |
| Crysis (Sep 30, 2007 Multiplayer prototype) | 30 September 2007 | PC | First Person Shooter | - |
| Crysis (Sep 5, 2007 Multiplayer prototype) | 5 September 2007 | PC | First Person Shooter | - |
| Crysis 2 (2011 EU Multiplayer prototype) | | PlayStation 3 | First-Person Shooter | - |
| Crysis 2 (2011 USA Multiplayer prototype) | | PlayStation 3 | First-Person Shooter | - |
| Crysis 2 (Apr 7, 2011 DLC Retaliation Pack Prototype) | 7 April 2011 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Aug 1, 2011 prototype) | 1 August 2011 | PlayStation 3 | First-Person Shooter | - |
| Crysis 2 (DLC Limited Edition Bonus prototype) | | Xbox 360 | First Person Shooter | - |
| Crysis 2 (DLC Presale Bonus 3 prototype) | | Xbox 360 | First Person Shooter | ✓ |
| Crysis 2 (Dec 12, 2009 prototype) | 12 December 2009 00:00:00 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Dec 14, 2010 prototype) | 14 December 2010 00:00:00 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Dec 31, 2010 prototype) | 31 December 2010 17:26:48 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 10, 2011 prototype) | 10 February 2011 14:39:28 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 12, 2011 prototype) | 12 February 2011 19:58:23 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 13, 2011 prototype) | 13 February 2011 01:22:28 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 14, 2011 prototype) | 14 February 2011 17:24:14 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 15, 2011 EU Multiplayer prototype) | 15 February 2011 | PlayStation 3 | First-Person Shooter | - |
| Crysis 2 (Feb 16, 2011 Prototype) | 16 February 2011 01:00:08 | Xbox 360 | FPS | - |
| Crysis 2 (Feb 24, 2011 Multiplayer demo) | 24 February 2011 | PC | First-Person Shooter | - |
| Crysis 2 (Feb 7, 2011 Prototype) | 7 February 2011 01:00:05 | Xbox 360 | FPS | - |
| Crysis 2 (Feb 8, 2011 prototype) | 8 February 2011 15:13:49 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Feb 9, 2011 prototype) | 9 February 2011 11:53:11 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 10, 2011 Multiplayer prototype) | 10 January 2011 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 10, 2011 prototype) | 10 January 2011 03:42:04 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 12, 2011 01:00 prototype) | 12 January 2011 01:00:07 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 12, 2011 13.00 prototype) | 12 January 2011 13:00:47 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 13, 2011 PC prototype) | 13 January 2011 | PC | First Person Shooter | - |
| Crysis 2 (Jan 13, 2011 prototype) | 13 January 2011 01:00:07 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 14, 2011 prototype) | 14 January 2011 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 15, 2011 prototype) | 15 January 2011 09:45:38 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 16, 2011 prototype) | 16 January 2011 12:26:12 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 17, 2011 prototype) | 17 January 2011 01:00:08 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 18, 2011 02.03 prototype) | 18 January 2011 02:03:59 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 18, 2011 12.26 prototype) | 18 January 2011 12:26:34 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 20, 2011 prototype) | 20 January 2011 03:39:00 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 21, 2011 prototype) | 21 January 2011 04:31:09 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 22, 2011 prototype) | 22 January 2011 15:34:04 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 23, 2011 prototype) | 23 January 2011 02:15:38 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 25, 2011 prototype) | 25 January 2011 11:39:21 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 26, 2011 prototype) | 26 January 2011 14:48:59 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 27, 2011 11.17 Multiplayer prototype) | 27 January 2011 11:17:50 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 27, 2011 11.26 prototype) | 27 January 2011 11:26:01 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 27, 2011 prototype) | 27 January 2011 20:15:03 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 28, 2011 prototype) | 28 January 2011 03:39:12 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 31, 2011 prototype) | 31 January 2011 01:19:35 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 5, 2011 prototype) | 5 January 2011 12:15:25 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jan 6, 2011 prototype) | 6 January 2011 07:51:22 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jul 20, 2011 prototype) | 20 July 2011 18:20:48 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Jun 29, 2011 prototype) | 29 June 2011 | Xbox 360 | First-Person Shooter | - |
| Crysis 2 (Mar 23, 2012 Install Data prototype) | 23 March 2012 | PlayStation 3 | First-Person Shooter | - |
| Crysis 2 (May 26, 2010 prototype) | 26 May 2010 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (May 28, 2010 prototype) | 28 May 2010 13:55:11 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Nov 11, 2010 prototype) | 11 November 2010 00:13:57 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Nov 24, 2010 prototype) | 24 November 2010 16:11:45 | Xbox 360 | First Person Shooter | - |
| Crysis 2 (Sep, 7, 2010 Multiplayer Prototype) | July 2010 | Xbox 360 | FPS | - |
| Crysis 3 (Apr 15, 2013 prototype) | 15 April 2013 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Apr 29, 2013 prototype) | 29 April 2013 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Apr 4, 2013 prototype) | 4 April 2013 | Xbox 360 | FPS | - |
| Crysis 3 (Apr 6, 2013 prototype) | 6 April 2013 23:21:00 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Apr 7, 2013 prototype) | 7 April 2013 23:20:04 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Aug 10, 2011 prototype) | 10 August 2011 | Xbox 360 | FPS | - |
| Crysis 3 (Aug 10, 2012 prototype) | 10 August 2012 13:14:33 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Aug 24, 2012 prototype) | 24 August 2012 00:31:28 | PC | First Person Shooter | - |
| Crysis 3 (Aug 6, 2012 11.34 prototype) | 6 August 2012 11:34:17 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Aug 6, 2012 13.28 prototype) | 6 August 2012 13:28:51 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 11, 2012 prototype) | 11 December 2012 12:56:10 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 12, 2012 prototype) | 12 December 2012 13:59:21 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 13, 2012 A prototype) | 13 December 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 13, 2012 B Prototype) | 13 December 2012 12:55:51 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 14, 2012 15.59 Multiplayer prototype) | 14 December 2012 15:59:07 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 14, 2012 19.21 Multiplayer prototype) | 14 December 2012 19:21:46 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 16, 2011 prototype) | 16 December 2011 15:47:35 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 17, 2012 Prototype) | 17 December 2012 02:21:10 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 19, 2012 prototype) | 19 December 2012 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 2, 2012 prototype) | 2 December 2012 12:49:35 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 20, 2012 3.08 prototype) | 20 December 2012 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 20, 2012 3.18 prototype) | 20 December 2012 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 21, 2012 prototype) | 21 December 2012 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 27, 2012 Prototype) | 27 December 2012 00:48:46 | Xbox 360 | FPS | - |
| Crysis 3 (Dec 28, 2012 prototype) | 28 December 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 29, 2012 prototype) | 29 December 2012 17:18:39 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Dec 8, 2011 prototype) | 8 December 2011 01:13:18 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (EU Multiplayer prototype) | January 2013 | PlayStation 3 | First Person Shooter | - |
| Crysis 3 (Feb 28, 2013 prototype) | 28 February 2013 18:15:06 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Feb 5, 2013 prototype) | 5 February 2013 | PlayStation 3 | First-Person Shooter | - |
| Crysis 3 (Feb 8, 2013 prototype) | 8 February 2013 | PlayStation 3 | First-Person Shooter | - |
| Crysis 3 (Jan 15, 2013 07.09 Prototype) | 15 January 2013 07:09:29 | Xbox 360 | FPS | - |
| Crysis 3 (Jan 15, 2013 10.05 prototype) | 15 January 2013 10:05:52 | Xbox 360 | FPS | - |
| Crysis 3 (Jan 27, 2012 prototype) | 27 January 2012 | Xbox 360 | FPS | - |
| Crysis 3 (Jan 29, 2013 Multiplayer prototype) | 21 January 2013 16:08:44 | PC | First-Person Shooter | - |
| Crysis 3 (Jan 4, 2013 Multiplayer Prototype) | 4 January 2013 | Xbox 360 | FPS | - |
| Crysis 3 (Jan 4, 2013 prototype) | 4 January 2013 17:01:33 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jan 5, 2013 JP prototype) | 5 January 2013 | PlayStation 3 | First-Person Shooter | - |
| Crysis 3 (Jan 5, 2013 USA prototype) | 5 January 2013 | PlayStation 3 | First-Person Shooter | - |
| Crysis 3 (Jan 5, 2013 prototype) | 5 January 2013 | PlayStation 3 | First-Person Shooter | - |
| Crysis 3 (Jan 8, 2013 prototype) | 8 January 2013 13:04:39 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 12, 2012 prototype) | 12 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 16, 2011 prototype) | 16 July 2011 01:05:06 | Xbox 360 | FPS | - |
| Crysis 3 (Jul 17, 2012 prototype) | 17 July 2012 00:15:31 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 18, 2011 prototype) | 18 July 2011 | Xbox 360 | FPS | - |
| Crysis 3 (Jul 18, 2012 prototype) | 18 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 19, 2012 prototype) | 19 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 2, 2012 prototype) | 2 July 2012 23:50:18 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 24, 2012 A prototype) | 24 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 24, 2012 B prototype) | 24 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 25, 2011 prototype) | 25 July 2011 | Xbox 360 | FPS | - |
| Crysis 3 (Jul 27, 2012 prototype) | 27 July 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 3, 2012 prototype) | 3 July 2012 08:08:10 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Jul 4, 2011 prototype) | 4 July 2011 | Xbox 360 | FPS | - |
| Crysis 3 (May 17, 2012 E3 prototype) | 17 May 2012 23:34:20 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 20, 2012 prototype) | 20 May 2012 23:33:05 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 23, 2012 00.31 E3 prototype) | 23 May 2012 00:31:21 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 23, 2012 12.59 prototype) | 23 May 2012 12:59:01 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 23, 2012 prototype) | 23 May 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 29, 2012 Prototype) | 29 May 2012 | Xbox 360 | FPS | - |
| Crysis 3 (May 30, 2012 prototype) | 30 May 2012 03:15:08 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (May 31, 2012 prototype) | 31 May 2012 03:06:32 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Nov 1, 2012 prototype) | 1 November 2012 02:53:35 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Nov 22, 2012 prototype) | 22 November 2012 13:07:57 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 15, 2012 prototype) | 15 October 2012 01:46:52 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 19, 2011 prototype) | 19 October 2011 11:22:31 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 20, 2011 00.06 prototype) | 20 October 2011 00:06:33 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 20, 2011 11.21 prototype) | 20 October 2011 11:21:46 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 24, 2012 prototype) | 24 October 2012 01:46:18 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 25, 2012 Multiplayer prototype) | 25 October 2012 12:22:54 | PC | First-Person Shooter | - |
| Crysis 3 (Oct 29, 2012 prototype) | 29 October 2012 | Xbox 360 | First-Person Shooter | - |
| Crysis 3 (Oct 3, 2011 prototype) | 3 October 2011 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Oct 5, 2011 prototype) | 5 October 2011 | Xbox 360 | FPS | - |
| Crysis 3 (Oct 9, 2012 prototype) | 9 October 2012 01:42:17 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 19, 2011 prototype) | 19 September 2011 00:29:33 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 20, 2011 prototype) | 20 September 2011 08:23:10 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 21, 2011 prototype) | 21 September 2011 01:08:25 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 22, 2011 prototype) | 22 September 2011 01:10:59 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 23, 2011 prototype) | 23 September 2011 01:09:39 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 27, 2012 prototype) | 27 September 2012 11:45:58 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (Sep 28, 2011 prototype) | 28 September 2011 | Xbox 360 | FPS | - |
| Crysis 3 (Sep 4, 2012 prototype) | 4 September 2012 | Xbox 360 | First Person Shooter | - |
| Crysis 3 (USA Multiplayer prototype) | January 2013 | PlayStation 3 | First Person Shooter | - |
| Crysis Remastered (A prototype) | | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 14, 2020 prototype) | 14 August 2020 00:16:07 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 15, 2020 prototype) | 15 August 2020 00:23:45 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 19, 2020 prototype) | 19 August 2020 06:28:18 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 26, 2020 prototype) | 26 August 2020 00:09:28 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 29, 2020 prototype) | 29 August 2020 04:27:43 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 30, 2020 prototype) | 30 August 2020 02:46:11 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (Aug 31, 2020 prototype) | 31 August 2020 04:05:32 | PlayStation 4 | First Person Shooter | - |
| Crysis Remastered (B prototype) | | PlayStation 4 | First Person Shooter | - |
| Crystal Castles (Jan 4, 1984 prototype) | | Atari 2600 | | - |
| Crystal Monsters (EU EN A prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (EU EN B prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (EU EN C prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (JP A prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (JP B prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (USA EN A prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (USA EN B prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Monsters (USA EN C prototype) | | Nintendo DSi | Role-playing | - |
| Crystal Quest (Sep 13, 2007 prototype) | 13 September 2007 | Xbox 360 | Shoot Em Up | - |
| Crystal's Pony Tale (Jul 1, 1994 prototype) | 1 July 1994 07:22:54 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 12, 1994 prototype B) | 13 July 1994 05:28:42 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 12, 1994 prototype) | 12 July 1994 12:06:52 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 13, 1994 prototype) | 13 July 1994 09:54:40 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 15, 1994 prototype) | 15 July 1994 11:35:34 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 2, 1994 prototype) | 2 July 1994 10:07:08 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jul 3, 1994 prototype) | 5 July 1994 04:48:18 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 1, 1994 prototype) | 1 June 1994 06:08:16 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 10, 1994 prototype) | 10 June 1994 14:06:26 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 23, 1994 prototype) | 23 June 1994 11:25:08 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 28, 1994 prototype) | 28 June 1994 10:13:32 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 30, 1994 prototype) | 30 June 1994 08:10:50 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (Jun 6, 1994 prototype) | 6 June 1994 08:46:04 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (May 11, 1994 prototype) | 11 May 1994 19:33:02 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (May 19, 1994 prototype) | 19 May 1994 13:19:18 | Sega Mega Drive | Action Platformer | - |
| Crystal's Pony Tale (May 26, 1994 prototype) | 26 May 1994 16:03:22 | Sega Mega Drive | Action Platformer | - |
| Crystar (Jan 14, 2024 prototype) | 14 January 2024 | PlayStation 4 | Action, Role-Playing | - |
| Cubicolor (prototype) | | Atari 2600 | | ✓ |
| Cubix Robots for Everyone: Clash 'n Bash (May 14, 2002 prototype) | 14 May 2002 10:28:34 | Game Boy Advance | Beat 'em up | - |
| Culdcept Saga (Jul 2, 2007 prototype) | 2 July 2007 | Xbox 360 | Board Game, Card Based | - |
| Curious George (Dec 2, 2005 prototype) | 2 December 2005 15:37:29 | Xbox | Platformer | - |
| Curse (Jun 26, 1990 prototype) | 26 June 1990 | Sega Mega Drive | Shooter | - |
| Cursor Test (Apr 1, 2010 demo) | 1 April 2010 | Xbox 360 | | - |
| Cutthroat Island (Sep 16, 1995 prototype) | 16 September 1995 | Game Gear | Action | - |
| Cutthroat Island (prototype) | | SNES | Platformer | - |
| Cy Girls (Oct 29, 2003 prototype) | 29 October 2003 13:27:15 | PlayStation 2 | Action Adventure | - |
| Cyber Police ESWAT (Prototype A) | | Sega Master System | Action | - |
| Cyber Police ESWAT (Prototype B) | | Sega Master System | Action | - |
| Cyber Police ESWAT (Prototype C) | | Sega Master System | Action | - |
| Cyber Speedway (Jun 26, 1995 prototype) | 26 June 1995 14:30:50 | Sega Saturn | Racing | - |
| Cyber Troopers Virtual-On Force (Sep 13, 2010 prototype) | 13 September 2010 | Xbox 360 | Action | - |
| Cyber Troopers Virtual-On Oratorio Tangram (Dec 9, 1999 prototype) | 9 December 1999 13:30:35 | Dreamcast | Action | - |
| Cyber Troopers Virtual-On Oratorio Tangram (Mar 31, 2009 prototype) | 31 March 2009 | Xbox 360 | Action | - |
| Cybermorph (Early prototype) | 23 August 1993 | Atari Jaguar | Shooter | - |
| Cybernator (Nov 1992 prototype) | November 1992 | SNES | Run and gun | - |
| Cyborg 009 (Prototype) | | SNES | Run and gun | - |
| Cyborg Hunter (Prototype) | | Sega Master System | Arcade | - |
| Cygnus Force (prototype) | | NES | Shoot 'em up | ✓ |
| D (Jan 15, 1996 prototype) | 15 January 1996 08:38:52 | PlayStation | Adventure | - |
| D&Co (Prototype) | | Nintendo DS | | - |
| D-Force (Prototype) | | SNES | JP Dec 20, 1991
US Dec 1991
| - |
| DC Universe Online (EU prototype) | | PlayStation 3 | Action, MMORPG | - |
| DC Universe Online (USA prototype) | | PlayStation 3 | Action, MMORPG | - |
| DJ Hero (Jul 20, 2009 prototype) | 20 July 2009 22:55:14 | Xbox 360 | Rhythm | - |
| DJ Hero (Jul 28, 2009 prototype) | 28 July 2009 | Xbox 360 | Music | - |
| DJ Hero 2 (Jul 6, 2010 prototype) | 6 July 2010 | Xbox 360 | Music, Rhythm | - |
| DK King of Swing (iQue prototype) | | Game Boy Advance | Platformer | - |
| DOA2: Hardcore (Oct 1, 2000 prototype) | 1 October 2000 16:57:12 | PlayStation 2 | Fighting | - |
| DSP-1 Tech Demo | | SNES | Tech Demo | ✓ |
| DVT Magnetometer Calibrate (Jul 11, 2009 prototype) | 11 July 2009 | PlayStation 3 | | ✓ |
| Daffy Duck in Hollywood (ESB Prototype) | | Sega Mega Drive | Platform | - |
| Daffy Duck: The Marvin Missions (Prototype) | | SNES | Platformer | - |
| Dai Senryaku VII: Modern Military Tactics (Oct 11, 2004 prototype) | 11 October 2004 18:02:26 | Xbox | Turn-Based Strategy | - |
| Daikatana (Apr 19, 2000 prototype) | 19 April 2000 | Game Boy Color | Role Playing | - |
| Dakar 2 (Jan 27, 2003 prototype) | 27 January 2003 16:44:14 | PlayStation 2 | Racing | - |
| Dakar 2 (Nov 28, 2002 prototype) | 28 November 2002 14:54:28 | PlayStation 2 | Racing | - |
| Damnation (Apr 20, 2009 prototype) | 20 April 2009 | PlayStation 3 | Third-person shooter | - |
| Damnation (Jan 6, 2009 prototype) | 6 January 2009 | PlayStation 3 | Third-person shooter | - |
| Dance Central (Aug 10, 2010 Takehome Beta) | 10 August 2010 | Xbox 360 | Music, Rhythm | - |
| Dance Central (DLC Heard 'Em All prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central (DLC Le Freak prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central (DLC Marathon Pack - Various prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central (DLC Move Ya Body Test prototype) | | Xbox 360 | Music, Rhythm | ✓ |
| Dance Central (DLC Super Freak prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central (DLC We Run This prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central (Jun 7, 2010 prototype) | 7 June 2010 21:25:01 | Xbox 360 | Music, Rhythm | - |
| Dance Central 2 (DLC Closer prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central 2 (DLC I'm Coming Out chartest prototype) | | Xbox 360 | Music, Rhythm | ✓ |
| Dance Central 2 (DLC Nasty prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central 2 (DLC Say Hey I Love You prototype) | | Xbox 360 | Music, Rhythm | - |
| Dance Central 2 (Jul 25, 2011 Takehome Beta) | 25 July 2011 | Xbox 360 | Music, Rhythm | - |
| Dance Central 3 (Aug 29, 2012 prototype) | 29 August 2012 18:34:44 | Xbox 360 | Rhythm | - |
| Dance Central 3 (Sep 16, 2012 prototype) | 16 September 2012 07:38:40 | Xbox 360 | Rhythm | - |
| Dance Dance Revolution (Dec 8, 2000 prototype) | 8 December 2000 15:02:34 | PlayStation | Rhythm | - |
| Dance Dance Revolution (Sep 1, 2010 prototype) | 1 September 2010 10:49:51 | Nintendo Wii | Rhythm | - |
| Dance Dance Revolution Extreme (Jul 12, 2004 prototype) | 12 July 2004 18:12:10 | PlayStation 2 | Music, Exercise | - |
| Dance Dance Revolution Extreme (May 10, 2004 prototype) | 10 May 2004 17:07:36 | PlayStation 2 | Music, Exercise | - |
| Dance Dance Revolution Extreme 2 (May 10, 2005 prototype) | 10 May 2005 22:32:06 | PlayStation 2 | Music, Exercise | - |
| Dance Dance Revolution Ultramix (Aug 12, 2003 prototype) | 12 August 2003 23:33:04 | Xbox | Music, Exercise | - |
| Dance Dance Revolution Ultramix 2 (Sep 7, 2004 prototype) | 7 September 2004 21:41:32 | Xbox | Music, Exercise | - |
| Dance Dance Revolution Ultramix 3 (May 14, 2005 prototype) | 14 May 2005 05:32:38 | Xbox | Music, Exercise | - |
| Dance Dance Revolution Ultramix 3 (Sep 3, 2005 prototype) | 3 September 2005 01:18:23 | Xbox | Music, Exercise | - |
| Dance Dance Revolution Universe 3 (Aug 21, 2008 prototype) | 21 August 2008 | Xbox 360 | Music | - |
| Dance Dance Revolution X (Jul 10, 2008 prototype) | 10 July 2008 11:33:38 | PlayStation 2 | Music, Exercise | - |
| Dance Dance Revolution: Disney Mix (Jun 8, 2001 prototype) | 8 June 2001 13:47:32 | PlayStation | Rhythm | - |
| Dance Factory (Feb 22, 2006 prototype) | 22 February 2006 12:32:52 | PlayStation 2 | Rhythm | - |
| Dance Factory (Feb 5, 2006 prototype) | 5 February 2006 | PlayStation 2 | Music | - |
| Dance Factory (Jan 21, 2006 prototype) | 21 January 2006 17:37:56 | PlayStation 2 | Rhythm | - |
| Dance Paradise (Nov 16, 2010 prototype) | 16 November 2010 15:42:14 | Xbox 360 | Rhythm | - |
| Dancing Eyes (Mar 10, 2011 Prototype) | 10 March 2011 | PlayStation 3 | Puzzle | ✓ |
| Dancing Stage EuroMIX (Sep 1, 2000 prototype) | 1 September 2000 11:13:46 | PlayStation | Dancing | - |
| Dancing Stage Fusion (Jul 8, 2004 prototype) | 8 July 2004 19:29:26 | PlayStation 2 | Rhythm - Dancing | - |
| Dancing Stage Unleashed (Jul 1, 2003 prototype) | 1 July 2003 21:09:29 | Xbox | Rhythm - Dancing | - |
| Dancing Stage: Disney Mix (Jan 7, 2001 prototype) | 7 January 2001 13:30:00 | PlayStation | Rhythm | - |
| Danny Sullivan's Indy Heat (Prototype) | | Sega Mega Drive | Racing | ✓ |
| Dante's Inferno (DLC Magic01 Unlockable prototype) | | Xbox 360 | Action, Adventure | ✓ |
| Dante's Inferno (DLC Magic02 Unlockable prototype) | | Xbox 360 | Action, Adventure | ✓ |
| Dante's Inferno (PC demo) | 28 November 1995 | Atari Jaguar CD | Adventure | ✓ |
| Daredevil: The Man Without Fear (Mar 22, 2004 prototype) | 22 March 2004 09:08:57 | PlayStation 2 | Action Adventure | ✓ |
| Darius Burst: Chronicle Saviours (Nov 9, 2015 prototype) | 9 November 2015 | PlayStation Vita | Shoot 'Em Up | - |
| Dark (May 17, 2013 Prototype) | 17 May 2013 00:01:54 | Xbox 360 | Stealth, action-adventure | - |
| Dark Arms: Beast Busters (Prototype) | | Neo Geo Pocket Color | Role Playing | - |
| Dark Chambers (Nov 22, 1985 prototype) | | Atari 2600 | | - |
| Dark Cloud (July 12, 2001 prototype) | 12 July 2001 10:19:58 | PlayStation 2 | | - |
| Dark Cloud 2 (Dec 26, 2002 08.12 prototype) | 26 December 2002 08:12:56 | PlayStation 2 | RPG | - |
| Dark Eden (Prototype) | | Game Boy Advance | Action | ✓ |
| Dark Empire (Prototype) | | Game Boy Advance | Role playing | ✓ |
| Dark Empires (prototype) | | Sega Mega Drive | | ✓ |
| Dark Fathoms (May 07, 2009 Tech Demo) | 7 May 2009 20:35:33 | Xbox 360 | | ✓ |
| Dark Guardian - Episode 1: Unknown Enemy (prototype) | 2001 | Atari Jaguar | | ✓ |
| Dark Horizon (Oct 1, 2008 demo) | | PC | Adventure, Role-Playing, Simulation, Flight Simulator | - |
| Dark Kingdom (v0.55 prototype) | | SNES | Role playing | - |
| Dark Messiah of Might and Magic: Elements (Dec 21, 2007 prototype) | 21 December 2007 02:20:46 | Xbox 360 | Action | - |
| Dark Messiah of Might and Magic: Elements (Oct 18, 2007 prototype) | 18 October 2007 00:00:00 | Xbox 360 | First Person Shooter | - |
| Dark Reign 2 (Apr 13, 2000 Prototype) | 13 April 2000 | PC | | - |
| Dark Reign 2 (Apr 25, 2000 QA Prototype) | 25 April 2000 | PC | | - |
| Dark Reign 2 (Apr 4, 2000 QA Alpha prototype) | 4 April 2000 | PC | | - |
| Dark Reign 2 (May 14, 2000 QA "WON Beta" prototype) | 25 April 2000 | PC | | - |
| Dark Reign: Rise of the Shadowhand (Feb 18, 1998 prototype) | 18 February 1998 | PC | | - |
| Dark Reign: The Future of War (Aug 28, 1997 prototype) | 28 August 1997 18:29:14 | PC | RTS | - |
| Dark Reign: The Future of War (Aug 3, 1997 prototype) | 3 August 1997 17:45:02 | PC | RTS | - |
| Dark Reign: The Future of War (Jan 31, 1997 prototype) | 31 January 1997 | PC | RTS | - |
| Dark Rift (May 14, 1996 prototype) | 14 May 1996 21:26:18 | PlayStation | Fighting | ✓ |
| Dark Savior (Nov 2, 1996 prototype) | 2 November 1996 19:45:48 | Sega Saturn | Action | - |
| Dark Souls (Aug 21, 2011 prototype) | 21 August 2011 | Xbox 360 | Action Role-playing | - |
| Dark Souls II (Mar 6, 2014 prototype) | 6 March 2014 | PC | Action role-playing | - |
| Dark Souls II (Network Test EU) | | PlayStation 3 | Action role-playing | - |
| Dark Souls II (Network Test JP) | | PlayStation 3 | Action role-playing | - |
| Dark Souls II (Network Test US) | | PlayStation 3 | Action role-playing | - |
| Dark Souls Remastered (Apr 18, 2018 Network Test prototype) | 18 April 2018 | Xbox One | Action Role-playing | - |
| Dark Summit (Jul 6, 2001 E3 prototype) | 6 July 2001 04:24:46 | Xbox | Sports - Snowboarding | - |
| Dark Void (Nov 4, 2009 prototype) | 27 October 2009 | Xbox 360 | Third-person shooter, action-adventure | - |
| Darksiders (May 29, 2009 prototype) | 29 May 2009 | Xbox 360 | Action-adventure | - |
| Darksiders II (Jul 14, 2012 prototype) | 14 July 2012 | Xbox 360 | | - |
| Darksiders II (Sep 20, 2011 prototype) | 20 September 2011 19:13:19 | Xbox 360 | Action Adventure | - |
| Darkstalkers 3 (May 25, 1998 prototype) | 25 May 1998 06:31:12 | PlayStation | Fighting | - |
| Darkstalkers Ressurection (Jan 21, 2013 prototype) | 21 January 2013 | Xbox 360 | Fighting | - |
| Darkstone: Evil Reigns (Aug 4, 1999 demo) | 4 August 1999 | PC | Action role-playing | - |
| Darkwatch (Jun 1, 2005 prototype) | 1 June 2005 21:34:52 | Xbox | First-Person Shooter | - |
| Darkwing Duck (Game Boy prototype) | | Game Boy | Platformer | - |
| Darkwing Duck (NES prototype) | | NES | Platformer | - |
| Darwin 4081 (Feb 21, 1990 prototype) | 21 February 1990 16:52:40 | Sega Mega Drive | Shooter | - |
| Darwinia+ (Dec 10, 2009 prototype) | 10 December 2009 | Xbox 360 | Real-Time Strategy | - |
| Darwinia+ (May 13, 2009 prototype) | 13 May 2009 | Xbox 360 | Real Time Strategy | - |
| Das Tier: Die Rückkehr des Bösen (prototype) | | Amiga | Adventure | ✓ |
| Dash of Destruction (Oct 27, 2008 prototype) | 27 October 2008 | Xbox 360 | Arcade | - |
| Dashin' Desperadoes (PAL prototype) | | Sega Mega Drive | Platform | - |
| Date or Ditch (EU prototype) | | Nintendo DSi | General | - |
| Date or Ditch (JP prototype) | | Nintendo DSi | General | - |
| Date or Ditch (USA prototype) | | Nintendo DSi | General | - |
| Dave Mirra BMX Challenge (Oct 17, 2006 prototype) | 17 October 2006 16:13:35 | Xbox 360 | Sports - Biking | ✓ |
| Dave Mirra Freestyle BMX (Aug 17, 2000 prototype) | 17 August 2000 19:27:18 | PlayStation | Sports - BMX | - |
| Dave Mirra Freestyle BMX (Dec 1, 1999 prototype A) | 1 December 1999 07:28:12 | Game Boy Color | Sports - BMX | ✓ |
| Dave Mirra Freestyle BMX (Dec 1, 1999 prototype B) | 1 December 1999 20:42:42 | Game Boy Color | Sports - BMX | ✓ |
| Dave Mirra Freestyle BMX (Feb 28, 2000 prototype) | 28 February 2000 07:08:40 | Game Boy Color | Sports - BMX | ✓ |
| Dave Mirra Freestyle BMX (Jan 19, 2000 prototype) | 19 January 2000 11:38:06 | Game Boy Color | Sports - BMX | ✓ |
| Dave Mirra Freestyle BMX (Jul 25, 2000 prototype) | 25 July 2000 18:37:36 | PlayStation | | - |
| Dave Mirra Freestyle BMX (Nov 2, 2000 prototype) | 2 November 2000 11:55:22 | Dreamcast | Sports - Biking | - |
| Dave Mirra Freestyle BMX (Oct 16, 2000 prototype) | 16 October 2000 02:02:14 | Dreamcast | Sports | - |
| Dave Mirra Freestyle BMX (Sep 20, 2000 prototype) | 20 September 2000 22:51:42 | Dreamcast | Sports - Bike | - |
| Dave Mirra Freestyle BMX (Sep 28, 2000 prototype) | 28 September 2000 | Dreamcast | Sports | - |
| Dave Mirra Freestyle BMX (Sep 7, 2000 prototype) | 7 September 2000 | Dreamcast | Sports | - |
| Dave Mirra Freestyle BMX 2 (Aug 13, 2001 prototype) | 13 August 2001 20:16:08 | PlayStation 2 | Sports - Biking | - |
| Dave Mirra Freestyle BMX 2 (Jul 8, 2001 prototype) | 8 July 2001 15:42:54 | PlayStation 2 | Sports - Biking | - |
| Dave Mirra Freestyle BMX 2 (Oct 14, 2001 prototype) | 14 October 2001 02:40:27 | Xbox | Sports | - |
| Dave Mirra Freestyle BMX 2 (Sep 19, 2001 prototype) | 19 September 2001 20:30:43 | Xbox | Sports | - |
| Dave Mirra Freestyle BMX 4 (Nov 8, 2002 prototype) | 8 November 2002 12:02:26 | Xbox | Sports - Biking | ✓ |
| Dave Mirra Freestyle BMX: Maximum Remix (Apr 2, 2001 prototype) | 2 April 2001 20:23:59 | PlayStation | Sports | - |
| David Beckham Soccer (Apr 17, 2002 prototype) | 17 April 2002 11:52:25 | Xbox | Sports | - |
| David Robinson's Supreme Court (Apr 15, 1992 prototype) | 15 April 1992 11:41:38 | Sega Mega Drive | Sports | - |
| David Robinson's Supreme Court (Prototype) | | Game Gear | Sports - Basketball | ✓ |
| Davis Cup World Tour Tennis 2 (Jul 28, 1994 prototype) | 28 July 1994 | Sega Mega Drive | Tennis | ✓ |
| Dawngate (Nov 04, 2014 Prototype) | 4 November 2014 10:25:56 | PC | MOBA | ✓ |
| Dawngate (prototype) | | PC | MOBA | ✓ |
| Daxter (Feb 10, 2006 prototype) | 10 February 2006 16:02:56 | PlayStation Portable | Action | - |
| Daxter (Feb 2, 2006 prototype) | 2 February 2006 | PlayStation Portable | Action | - |
| Day Dreamin' Davey (Prototype) | | NES | Adventure | - |
| Days of Thunder: Arcade (Aug 4, 2010 prototype) | 4 August 2010 | Xbox 360 | | - |
| Days of Thunder: Arcade (Jan 11, 2011 prototype) | 11 January 2011 | Xbox 360 | | - |
| Days of Thunder: Arcade (Jan 20, 2011 prototype) | 20 January 2011 | Xbox 360 | | - |
| Daytona USA (Dec 19, 2012 prototype) | 19 December 2012 | Xbox 360 | Driving/Racing | - |
| Daytona USA (Dec 20, 2012 prototype) | 20 December 2012 | Xbox 360 | Driving/Racing | - |
| Daytona USA (Feb 29, 2012 prototype) | 29 February 2012 | Xbox 360 | Racing | - |
| Daytona USA (Jul 28, 2012 prototype) | 28 July 2012 | Xbox 360 | Racing | - |
| Daytona USA (Oct 12, 2012 prototype) | 12 October 2012 | Xbox 360 | Driving/Racing | - |
| Daytona USA 2001 (Feb 27, 2001 prototype) | 27 February 2001 19:08:50 | Dreamcast | Racing | - |
| Ddspgame (US Blue Disk) | | Nintendo 64DD | Demo | - |
| De Blob (October 30, 2008 Nintendo DS Prototype) | 30 October 2008 | Nintendo DS | | ✓ |
| De Blob 2 (Oct 17, 2010 prototype) | 17 October 2010 | Xbox 360 | Puzzle, Platform | - |
| Dead Angle (Prototype) | | Sega Master System | Action | - |
| Dead Block (May 8, 2011 prototype) | 8 May 2011 | Xbox 360 | Strategy | - |
| Dead Head Fred (Jul 21, 2007 prototype) | 21 July 2007 10:32:35 | PlayStation Portable | Action | - |
| Dead Island (Aug 2, 2011 prototype) | 2 August 2011 | PC | First Person Shooter | - |
| Dead Island (Jul 19, 2011 prototype) | 19 July 2011 10:41:07 | Xbox 360 | First Person Shooter | - |
| Dead Island 2 (Jun 18, 2015 prototype) | 18 June 2015 | PC | Horror | - |
| Dead Island: Epidemic (Feb 6, 2014 prototype) | 6 February 2014 | PC | MOBA | - |
| Dead Island: Epidemic (May 7, 2014 prototype) | 7 May 2014 | PC | MOBA | - |
| Dead Island: Riptide (Feb 28, 2013 prototype) | 28 February 2013 12:11:50 | PlayStation 3 | Action | - |
| Dead Justice (Sep 21, 2001 prototype) | 21 September 2003 | PC | | ✓ |
| Dead Man's Hand (Feb 27, 2004 prototype) | 27 February 2004 22:18:35 | Xbox | First-Person Shooter | - |
| Dead Man's Hand (Oct 15, 2003 prototype) | 15 October 2003 14:51:35 | Xbox | First-Person Shooter | - |
| Dead Man's Hand (Sep 17, 2003 prototype) | 17 September 2003 04:35:06 | Xbox | First-Person Shooter | - |
| Dead Nation (EU prototype) | | PlayStation 3 | Shooter, Dual-Joystick Shooter | - |
| Dead Nation (USA demo) | | PlayStation 3 | Shooter, Dual-Joystick Shooter | - |
| Dead Nation (prototype) | 2009 | PlayStation 3 | Shooter, Dual-Joystick Shooter | - |
| Dead North (Nov 12, 2012 prototype) | 12 November 2012 05:11:07 | Xbox 360 | Action | ✓ |
| Dead North (Nov 15, 2012 prototype) | 15 November 2012 | Xbox 360 | Action | ✓ |
| Dead North (Nov 20, 2012 prototype) | 20 November 2012 13:52:19 | Xbox 360 | Action | ✓ |
| Dead North (Nov 22, 2012 21.45 prototype) | 22 November 2012 21:45:05 | Xbox 360 | Action | ✓ |
| Dead North (Nov 22, 2012 prototype) | 22 November 2012 17:09:03 | Xbox 360 | Action | ✓ |
| Dead North (Nov 23, 2012 01.36 prototype) | 23 November 2012 01:36:41 | Xbox 360 | Action | ✓ |
| Dead North (Nov 23, 2012 05.45 prototype) | 23 November 2012 05:45:05 | Xbox 360 | Action | ✓ |
| Dead North (Nov 23, 2012 09.36 prototype) | 23 November 2012 09:36:41 | Xbox 360 | Action | ✓ |
| Dead North (Nov 23, 2012 09.40 prototype) | 23 November 2012 09:40:51 | Xbox 360 | Action | ✓ |
| Dead North (Oct 23, 2012 prototype) | 23 October 2012 | Xbox 360 | Action | ✓ |
| Dead North (Oct 29, 2012 prototype) | 29 October 2012 05:12:09 | Xbox 360 | Action | ✓ |
| Dead Rising (Aug 1, 2006 demo) | 1 August 2006 | Xbox 360 | Action-adventuresurvival horroropen world | - |
| Dead Rising (May 6, 2006 prototype) | 6 May 2006 | Xbox 360 | Action-adventure
survival horror
open world | - |
| Dead Rising 2 (Aug 24, 2010 Install Data prototype) | 24 August 2010 10:36:00 | PlayStation 3 | Role-Playing, Action-Adventure | - |
| Dead Rising 2 (Aug 9, 2010 prototype) | 9 August 2010 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (DLC Ninja Clothes prototype) | | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (DLC Psychopath Clothes prototype) | | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (DLC Soldier Clothes prototype) | | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (DLC Sports Fan Clothes prototype) | | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (Jun 1, 2010 prototype) | 1 June 2010 00:20:43 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (Mar 16, 2010 prototype) | 16 March 2010 18:18:30 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (Mar 16, 2015 prototype) | 16 March 2015 23:18:27 | PC | Action Adventure | - |
| Dead Rising 2 (Mar 17, 2015 prototype) | 17 March 2015 20:15:11 | PC | Action Adventure | - |
| Dead Rising 2 (May 13, 2010 prototype) | 13 May 2010 22:31:14 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (May 18, 2010 prototype) | 18 May 2010 01:19:54 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (May 20, 2010 prototype) | 20 May 2010 21:46:21 | Xbox 360 | Action Adventure | - |
| Dead Rising 2 (Sep 2, 2010 prototype) | 2 September 2010 17:12:35 | Xbox 360 | Action Adventure | - |
| Dead Rising 2: Case West (Jul 7, 2010 prototype) | 7 July 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case West (Oct 18, 2010 prototype) | 18 October 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case Zero (Aug 7, 2010 prototype) | 7 August 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case Zero (Jul 16, 2010 prototype) | 16 July 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case Zero (Jul 8, 2010 Prototype) | 8 July 2010 | Xbox 360 | Action Adventure | - |
| Dead Rising 2: Case Zero (Jun 7, 2010 prototype) | 7 June 2010 16:30:00 | Xbox 360 | Action Adventure | - |
| Dead Rising 2: Case Zero (Jun 8, 2010 prototype) | 8 June 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case Zero (May 13, 2010 prototype) | 13 May 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Case Zero (May 31, 2010 prototype) | 31 May 2010 | Xbox 360 | Survival | - |
| Dead Rising 2: Off the Record (Aug 15, 2011 prototype) | 15 August 2011 14:30:12 | PC | Action | - |
| Dead Rising 2: Off the Record (Aug 16, 2011 prototype) | 16 August 2011 | PlayStation 3 | Action | - |
| Dead Rising 2: Off the Record (Jun 28, 2011 prototype) | 28 June 2011 04:00:36 | Xbox 360 | Action Adventure | - |
| Dead Rising 2: Off the Record (Jun 29, 2011 prototype) | 29 June 2011 16:16:53 | PlayStation 3 | Action | - |
| Dead Space (Aug 29, 2008 prototype) | 29 August 2008 | Xbox 360 | Survival horror | - |
| Dead Space (Aug 30, 2008 prototype) | 30 August 2008 | PlayStation 3 | Survival horror | - |
| Dead Space (Jul 31, 2008 prototype) | 31 July 2008 | Xbox 360 | Third-person shooter
survival horror | - |
| Dead Space (Nov 9, 2008 demo) | 9 November 2008 | Xbox 360 | Survival horror | - |
| Dead Space 2 (Multiplayer prototype) | | PlayStation 3 | Survival horror | - |
| Dead Space 2 (Nov 18, 2010 prototype) | 18 November 2010 | Xbox 360 | Survival horror | - |
| Dead Space 2 (Nov 19, 2010 Prototype) | 19 November 2010 00:44:16 | Xbox 360 | Survival Horror | - |
| Dead Space 2 (Nov 8, 2010 prototype) | 8 November 2010 | Xbox 360 | Survival horror | - |
| Dead Space 2 (Oct 31, 2010 demo) | 31 October 2010 | Xbox 360 | Survival Horror | - |
| Dead Space 2 (Oct 5, 2010 prototype) | 5 October 2010 | Xbox 360 | Survival horror | - |
| Dead Space 3 (Aug 25, 2012 prototype) | 25 August 2012 | PlayStation 3 | Survival horror | - |
| Dead Space 3 (Dec 15, 2012 prototype) | 15 December 2012 00:00:00 | Xbox 360 | First Person Shooter | - |
| Dead Space: Extraction (Apr 22, 2009 prototype) | 22 April 2009 | Nintendo Wii | Rail shooter | - |
| Dead Space: Extraction (v1111 Debug prototype) | | Nintendo Wii | Rail shooter | - |
| Dead Space: Extraction (v1111 prototype) | | Nintendo Wii | Rail shooter | - |
| Dead Space: Extraction (v430 Debug prototype) | 430 JL | Nintendo Wii | Rail shooter | - |
| Dead Space: Extraction (v430 prototype) | | Nintendo Wii | Rail shooter | - |
| Dead Space: Extraction (v512 prototype) | | Nintendo Wii | Rail shooter | - |
| Dead Zone (Prototype) | | FDS | First Person Adventure | - |
| Dead or Alive (Apr 22, 1998 prototype) | 22 April 1998 12:52:32 | PlayStation | Fighting | - |
| Dead or Alive (Feb 20, 1998 prototype) | 20 February 1998 | PlayStation | Fighting | - |
| Dead or Alive (Jan 10, 1998 prototype) | 10 January 1998 01:15:38 | PlayStation | Fighting | - |
| Dead or Alive 1 Ultimate (Oct 12, 2004 prototype) | 12 October 2004 | Xbox | Fighting | - |
| Dead or Alive 2 (Feb 16, 2000 prototype) | 16 February 2000 | Dreamcast | Fighting | - |
| Dead or Alive 2 (Feb 17, 2000 prototype) | 17 February 2000 | Dreamcast | Fighting | - |
| Dead or Alive 2 (Jan 27, 2000 prototype) | 27 January 2000 07:48:34 | Dreamcast | Fighting | - |
| Dead or Alive 2 (Jun 11, 2000 prototype) | 11 June 2000 22:36:47 | Dreamcast | Fighting | - |
| Dead or Alive 2 (Mar 10, 2000 prototype) | 10 March 2000 | Dreamcast | Fighting | - |
| Dead or Alive 2 (Sep 8, 2000 prototype) | 8 September 2000 | PlayStation 2 | Fighting | - |
| Dead or Alive 3 (Mar 4, 2002 prototype) | 4 March 2002 | Xbox | Fighting | - |
| Dead or Alive 3 (Oct 14, 2001 prototype) | 14 October 2001 17:04:04 | Xbox | Fighting | - |
| Dead or Alive 4 (Sep 30, 2005 prototype) | 30 September 2005 12:22:19 | Xbox 360 | Fighting | - |
| Dead or Alive 5 (Jun 2, 2012 prototype) | 2 June 2012 | Xbox 360 | Fighting | - |
| Dead to Rights (Apr 25, 2003 prototype) | 25 April 2003 11:39:40 | PlayStation 2 | Action | - |
| Dead to Rights (Jul 3, 2002 prototype) | 3 July 2002 19:23:22 | Xbox | Action | - |
| Dead to Rights (May 14, 2002 prototype) | 14 May 2002 22:11:54 | Xbox | Action | - |
| Dead to Rights II (Dec 24, 2004 prototype) | 24 December 2004 13:49:24 | Xbox | Third-Person Shooter | - |
| Dead to Rights: Retribution (DLC GAC Pack prototype) | | Xbox 360 | First Person Shooter | - |
| Dead to Rights: Retribution (Feb 1, 2010 prototype) | 1 February 2010 00:00:00 | Xbox 360 | First Person Shooter | - |
| Dead to Rights: Retribution (Jan 15, 2010 prototype) | 15 January 2010 | Xbox 360 | Action | - |
| Deadlands (Jul 14, 2004 prototype) | 14 July 2004 22:10:34 | PlayStation 2 | Action | ✓ |
| Deadliest Warrior: The Game (Apr 3, 2010 prototype) | 3 April 2010 16:43:00 | Xbox 360 | Fighting | - |
| Deadliest Warrior: The Game (DLC Expansion Pack 1 prototype) | | Xbox 360 | Fighting | - |
| Deadlight (Mar 14, 2012 prototype) | 14 March 2012 | Xbox 360 | Puzzle, Platformer | - |
| Deadly Skies (May 6, 1996 prototype) | 6 May 1996 21:55:24 | PlayStation | Flight Combat Simulator | - |
| Death By Cube (Sep 12, 2009 prototype) | 12 September 2009 | Xbox 360 | Adventure | - |
| Death By Degrees (Dec 13, 2004 prototype) | 13 December 2004 04:35:06 | PlayStation 2 | Action-adventure, beat 'em up | - |
| Death By Degrees (Dec 29, 2004 prototype) | 29 December 2004 | PlayStation 2 | Action-adventure, beat 'em up | - |
| Death Duel (May 6, 1992 prototype) | 6 May 1992 14:30:12 | Sega Mega Drive | Fighting | - |
| Death Jr (Jul 22, 2005 prototype) | 22 July 2005 14:18:04 | PlayStation Portable | Action | - |
| Death Race (prototype) | | NES | Action | - |
| Death Tank (DLC More Tanks prototype) | | Xbox 360 | Turn Based | ✓ |
| Death Tank (Dec 11, 2008 prototype) | 11 December 2008 | Xbox 360 | Turn Based | - |
| Death Tank (Oct 2, 2008 prototype) | 2 October 2008 | Xbox 360 | Strategy | - |
| Death Track (Prototype) | | Game Boy | Racing | ✓ |
| Death by Cube (Nov 28, 2009 prototype) | 28 November 2009 | Xbox 360 | Dual-Joystick Shooter | - |
| Deathrow (Jun 24, 2002 prototype) | 24 June 2002 23:27:33 | Xbox | Action, Sports | - |
| Debugging Station Launcher (prototype) | | PlayStation 3 | | - |
| Deca Sports (Jan 29, 2008 prototype) | 29 January 2008 | Nintendo Wii | Sports | - |
| Decathlon (Prototype) | | 3DO | Sports - Baseball | ✓ |
| Deception III: Dark Delusion (Dec 28, 1999 prototype) | 28 December 1999 19:16:58 | PlayStation | Strategy | - |
| Dee Dee Planet (Apr 25, 2000 prototype) | 25 April 2000 | Dreamcast | Action | ✓ |
| Dee Dee Planet (Jun 26, 2000 prototype) | 26 June 2000 | Dreamcast | Action | ✓ |
| Deep 6 (Jul 10, 2009 Engine Demo) | 10 July 2009 14:25:55 | Xbox 360 | | ✓ |
| Deep Fear (Jul 14, 1998 prototype) | 14 July 1998 18:37:54 | Sega Saturn | Survival Horror | ✓ |
| Deep Fighter (Feb 8, 2000 prototype) | 8 February 2000 18:28:45 | Dreamcast | Marine Combat | - |
| Deep Fighter (May 4, 2000 prototype) | 4 May 2000 16:26:12 | Dreamcast | Marine Combat | - |
| Deep Fighter (May 5, 2000 prototype) | 5 May 2000 16:31:46 | Dreamcast | Shoot 'em Up | - |
| Deep Fighter (Sep 11, 1999 prototype) | 11 September 1999 14:33:56 | PC | | - |
| Deep Sea Tycoon (May 24, 2002 prototype) | 24 May 2002 | PC | Simulation | - |
| Def Jam Rapstar (Aug 12, 2010 prototype) | 12 August 2010 03:48:26 | Nintendo Wii | Music | - |
| Def Jam Rapstar (Aug 19, 2010 prototype) | 19 August 2010 | Nintendo Wii | Music | - |
| Def Jam Rapstar (DLC 808 Pack prototype) | | Xbox 360 | Music | ✓ |
| Def Jam Rapstar (DLC Freestyle Pack 1 prototype) | | Xbox 360 | Music | ✓ |
| Def Jam Rapstar (Jul 26, 2010 prototype) | 26 July 2010 | Nintendo Wii | Music | - |
| Def Jam Rapstar (Jul 28, 2010 prototype) | 28 July 2010 14:57:55 | Nintendo Wii | Music | - |
| Def Jam Rapstar (Sep 28, 2010 prototype) | 28 September 2010 17:08:37 | Nintendo Wii | Music | - |
| Def Jam Rapstar (Sep 29, 2010 prototype) | 29 September 2010 13:57:55 | Nintendo Wii | Music | - |
| Def Jam: Fight for NY (Aug 13, 2004 00:10:58 prototype) | 13 August 2004 00:10:58 | PlayStation 2 | Fighting | - |
| Def Jam: Fight for NY (Aug 13, 2004 07:10:53 prototype) | 13 August 2004 07:10:53 | PlayStation 2 | Fighting | - |
| Def Jam: Fight for NY (Aug 9, 2004 06:27:57 prototype) | 9 August 2004 06:27:57 | Xbox | Fighting | - |
| Def Jam: Fight for NY (Aug 9, 2004 23:42:13 prototype) | 9 August 2004 23:42:13 | PlayStation 2 | Fighting | - |
| Def Jam: Fight for NY (Jun 14, 2004 prototype) | 14 June 2004 12:29:04 | PlayStation 2 | Fighting | - |
| Def Jam: Icon (Jan 22, 2007 prototype) | 22 January 2007 17:49:38 | Xbox 360 | Fighting | - |
| Def Jam: Icon 2 (Nov 2, 2007 prototype) | 2 November 2007 18:58:26 | Xbox 360 | Fighting | ✓ |
| Defcon 5: Peace Has a Price... (Jan 3, 1996 prototype) | 3 January 1996 15:19:19 | Sega Saturn | First Person Shooter | - |
| Defender (Aug 14, 2002 prototype) | 14 August 2002 23:02:36 | PlayStation 2 | Third-Person Shooter Arcade | - |
| Defender (Nov 1981 prototype) | November 1981 | Atari 2600 | Shoot 'em up | - |
| Defender (Nov 2, 2006 prototype) | 2 November 2006 | Xbox 360 | Space Combat | - |
| Defender (Oct 30, 1981 prototype) | 30 October 1981 | Atari 2600 | Shoot 'em up | - |