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| System | Date | File release date | Retail release date | |
|---|---|---|---|---|
| Later (demo) | Commodore 64 | 15 December 1993 | PL 1995 | |
| Leisure Suit Larry: Magna Cum Laude (Jul 31, 2004 prototype) | Xbox | 31 July 2004 15:58:08 | 3 September 2004 | US Oct 5, 2004 EU Nov 5, 2004 |
| Liberator (Chromance prototype) | Commodore 64 | August 1993 | ||
| Lightphaser Archery (prototype) | Commodore 64 | March 1994 | ||
| Linking Leroy Visits LEGOLAND (prototype A) | Commodore 64 | 19 April 1992 | ||
| Linking Leroy Visits LEGOLAND (prototype B) | Commodore 64 | 1999 | ||
| Links 386 Pro (Jun 16, 1992 prototype) | PC | 16 June 1992 | 19 June 1992 | US 1992 |
| Little Magic (Japan Prototype) | SNES | 5 November 1993 | JP Dec 24, 1993 EU Unreleased | |
| Loopz (Nov 5, 1992 prototype) | Atari Lynx | 5 November 1992 | 19 December 1996 | |
| Lord MC Sun (prototype) | Commodore 64 | December 1995 | ||
| Lotus II: RECS (Prototype) | Sega Mega Drive | 27 October 1993 | US Dec 1993 EU 1994 | |
| Marko's Magic Football (May 2, 1994 prototype) | Sega Mega Drive | 2 May 1994 | 18 May 1994 | US Sep 1994 EU Jul 1994 |
| Marlboro Go! (English build) | Atari Lynx | 19 December 1996 | ||
| Mashed: Drive to Survive (May 7, 2004 02.48 prototype) | PlayStation 2 | 7 May 2004 02:48:26 | 31 May 2004 | EU Jun 18, 2004 |
| Mashed: Drive to Survive (May 7, 2004 prototype) | Xbox | 7 May 2004 16:02:12 | 12 June 2004 | EU Jun 18, 2004 |
| Matrix (Commodore 64 prototype) | Commodore 64 | 1 March 1993 | ||
| Maximo: Ghosts to Glory (Nov 4, 2001 prototype) | PlayStation 2 | 4 November 2001 12:31:50 | 2 December 2001 | JP Dec 27, 2001 EU Jan 16, 2002 US Feb 11, 2002 |
| McDonald's Treasure Land Adventure (Prototype) | Sega Mega Drive | 28 September 1993 | JP Sep 23, 1993 US Dec 1993 EU Mar 1994 | |
| MegaBrain (prototype A) | Commodore 64 | October 1995 | WW 1997 | |
| MegaBrain (prototype B) | Commodore 64 | 1996 | WW 1997 | |
| Mickey Mania: The Timeless Adventures of Mickey Mouse (Jul 1994 prototype) | Sega Mega Drive | 9 August 1994 | US Nov 1994 EU Oct 1, 1994 | |
| Mickey's Playtown Adventure: A Day Of Discovery! (Prototype) | SNES | 25 January 1995 | ||
| Microsoft Arcade (Aug 3, 1993 prototype) | PC | 3 August 1993 | 16 August 1993 | US Aug 1993 |
| Microsoft Arcade (Jul 9, 1993 prototype) | PC | 9 July 1993 | US Aug 1993 | |
| Microsoft Space Simulator (Mar 29, 1994 prototype) | PC | 29 March 1994 | US 1994 | |
| Might and Magic III: Isles of Terra (Prototype) | SNES | 9 August 1994 | US Jan 1995 | |
| Mortal Kombat (Nov 29, 1993 prototype) | PC | 29 November 1993 | 6 December 1993 | US N/A |
| Mortal Kombat (Nov 9, 1993 prototype) | PC | 9 November 1993 | 26 November 1993 | US N/A |
| Mortal Kombat 3 (Aug 1, 1995 prototype) | SNES | 1 August 1995 | 6 September 1995 | US Oct 13, 1995 EU 1995 |
| Mortal Kombat 3 (NAPALM prototype) | SNES | 7 September 1995 | US Oct 13, 1995 EU 1995 | |
| Mortal Kombat II (SNES Prototype) | SNES | 4 July 1994 | US Sep 9, 1994 JP Nov 11, 1994 EU Oct 1994 | |
| Mortal Kombat: Deception (Aug 29, 2004 Xbox prototype) | Xbox | 29 August 2004 22:23:34 | 8 October 2004 | US Oct 4, 2004 EU Nov 19, 2004 |
| Mortyr 2093-1944 (Apr 14, 1999 prototype) | PC | 14 April 1999 | EU Aug 30, 1999 US Dec 31, 1999 UK May 4, 2001 | |
| MotoGP (Game Boy Advance prototype) | Game Boy Advance | 28 September 2001 | EU Feb 15, 2002 US Mar 4, 2002 | |
| MotoGP 2 (Aug 30, 2001 prototype) | PlayStation 2 | 30 August 2001 08:43:42 | 26 October 2001 | JP Dec 20, 2001 EU Dec 21, 2001 US Jan 22, 2002 |
| MotoGP 4 (Mar 23, 2005 prototype) | PlayStation 2 | 23 March 2005 11:51:12 | 4 April 2005 | JP Sep 15, 2005 US Jun 20, 2006 EU May 27, 2005 |
| Muhammad Ali Heavyweight Boxing (SNES Prototype) | SNES | 4 January 1995 | ||
| NASCAR Racing (Aug 12, 1994 prototype) | PC | 12 August 1994 | 3 September 1994 | US 1994 |
| NASCAR Racing (Jun 28, 1994 prototype) | PC | 28 June 1994 | 22 August 1994 | US 1994 |
| NBA Jam (SNES prototype A) | SNES | 19 January 1994 | US Mar 1994 JP Apr 29, 1994 EU Mar 10, 1996 | |
| NBA Jam: Tournament Edition (SNES Prototype) | SNES | 27 January 1995 | US Feb 23, 1995 EU May 23, 1995 JP Feb 24, 1995 | |
| NBA Street Vol. 2 (Mar 7, 2003 prototype) | PlayStation 2 | 7 March 2003 01:58:00 | 10 April 2003 | JP May 1, 2003 EU May 2, 2003 US Apr 28, 2003 KR Apr 24, 2003 |
| NCAA Basketball (Prototype) | SNES | 20 August 1992 | JP Jun 19, 1992 US Oct 1992 EU Jul 22, 1993 | |
| NFL Quarterback Club 2002 (Aug 11, 2001 prototype) | PlayStation 2 | 11 August 2001 12:31:50 | 3 September 2001 | EU Aug 24, 2001 US Sep 7, 2001 |
| NHL 2002 (Jul 19, 2001 prototype) | PlayStation 2 | 19 July 2001 03:24:20 | 19 September 2001 | JP N/A EU Oct 19, 2001 US Sep 25, 2001 |
| NHL Hockey (Aug 4, 1993 prototype) | PC | 4 August 1993 | US 1993 EU 1993 | |
| Need for Speed 2 (Apr 1, 1997 prototype) | PC | 1 April 1997 | 3 April 1997 | US Apr 18, 1997 EU 1997 |
| Nickelodeon Rocket Power: Beach Bandits (V0.14 prototype) | Game Boy Advance | 8 August 2002 | US Sep 25, 2002 EU Oct 3, 2002 | |
| Ninja Gaiden (Mega Drive Prototype) | Sega Mega Drive | 6 August 1992 | ||
| Nodule (prototype) | Commodore 64 | 8 March 1994 | ||
| Norse by Norsewest: The Return of the Lost Vikings (Jan 15, 1997 prototype) | PC | 15 January 1997 | US Apr 20, 1997 EU 1997 | |
| Oddworld: Stranger's Wrath (Dec 3, 2004 prototype) | Xbox | 3 December 2004 15:17:32 | 1 July 2005 | US Jan 25, 2005 EU Mar 3, 2005 |
| Ooops Up (Commodore 64 prototype) | Commodore 64 | 4 October 1996 | ||
| Oops! (Proton-Run prototype) | Commodore 64 | May 1988 | EU 1988 | |
| Orcus (Prototype A) | Commodore 64 | 1 August 1989 | ||
| Orcus (Prototype B) | Commodore 64 | 22 November 1989 | ||
| Orcus (Prototype C) | Commodore 64 | 25 March 1990 | ||
| Out of this World (Jan 2, 1993 prototype) | Sega Mega Drive | 2 January 1993 | 2 January 1993 | US Mar 1993 EU 1993 AU 1993 |
| OutRun 2019 (November 1992 prototype) | Sega Mega Drive | November 1992 | 5 February 1993 | US Mar 1993 JP Mar 26, 1993 EU Apr 1993 |
| Painkiller (Nov 19, 2003 prototype) | PC | 19 November 2003 | NA Apr 12, 2004 PAL Apr 15, 2004 | |
| Painkiller: Hell Wars (Oct 18, 2005 prototype) | Xbox | 18 October 2005 | 11 December 2005 | US Jul 24, 2006 EU Jul 7, 2006 |
| Paranoid (Commodore 64 prototype A) | Commodore 64 | February 1994 | ||
| Paranoid (Commodore 64 prototype B) | Commodore 64 | |||
| Perfect Ace 2: The Championships (Apr 8, 2005 prototype) | PlayStation 2 | 8 April 2005 17:27:17 | 9 June 2005 | EU Jul 15, 2005 |
| Perplexity (Commodore 64 prototype) | Commodore 64 | November 1993 | ||
| Pilot Down: Behind Enemy Lines (Feb 28, 2005 prototype) | PlayStation 2 | 28 February 2005 12:05:16 | 7 June 2005 | EU Sep 9, 2005 |
| Pitfall: The Mayan Adventure (SNES prototype) | SNES | 6 August 1994 | JP Jul 14th, 1995 US Nov 1994 | |
| Planets of Death (prototype) | Commodore 64 | 1991 | ||
| Plotting (Commodore 64 prototype) | Commodore 64 | 28 May 1991 | ||
| Pluff (prototype) | Commodore 64 | August 1995 | PL 1996 | |
| Pocket Kingdom: Own the World (May 1, 2004 prototype) | N-Gage | 1 May 2004 | 27 September 2004 | US Nov 24, 2004 EU Nov 29, 2004 |
| Pocky & Rocky (Sample prototype) | SNES | 31 March 1993 | JP Dec 22, 1992 US Jun 1993 EU Aug 19, 1993 | |
| Pocky & Rocky 2 (Prototype) | SNES | 17 September 1994 | JP Jun 17, 1994 US Nov 1994 EU Apr 1995 | |
| Porky Pig's Haunted Holiday (Jan 26, 1995 prototype) | SNES | 26 January 1995 18:42:00 | 29 July 1995 | US Oct 1995 EU 1995 |
| Postal (Jul 24, 1997 prototype) | PC | 24 July 1997 07:02:52 | 11 August 1997 | EU Sep 24, 1997 US Sep 24, 1997 |
| Power Drive (prototype) | SNES | 14 October 1994 | EU Nov 1994 US Unreleased | |
| Power Instinct (Prototype) | SNES | 17 September 1994 | US 1994 JP Oct 14th, 1994 | |
| Prehistorik Man (Game Boy Advance Prototype) | Game Boy Advance | 10 October 2001 | US December 4th, 2001 | |
| Primal Rage (Jul 17, 1995 prototype) | SNES | 17 July 1995 | 17 July 1995 | JP Aug 1995 US Nov 1995 |
| Prime (SNES prototype) | SNES | 15 December 1994 | ||
| Prince of Persia (Mega Drive prototype A) | Sega Mega Drive | 6 August 1993 | US Jan 1994 EU Apr 1994 | |
| Prince of Persia (Mega Drive prototype B) | Sega Mega Drive | 4 December 1993 | US Jan 1994 EU Apr 1994 | |
| Prince of Persia: The Two Thrones (Oct 2, 2005 prototype) | Xbox | 2 October 2005 21:11:05 | 14 November 2005 | US Dec 1, 2005 EU Dec 9, 2005 |
| Prince of Persia: Warrior Within (Oct 27, 2004 prototype) | PlayStation 2 | 27 October 2004 16:57:28 | 12 November 2004 | US Dec 2, 2004 EU Dec 3, 2004 |
| Privateer 2: The Darkening (Oct 14, 1996 prototype) | PC | 14 October 1996 17:43:00 | US Dec 26, 1996 EU Dec 13, 1996 | |
| Prizone (prototype) | Commodore 64 | April 2000 | ||
| Pro Evolution Soccer (Aug 29, 2001 prototype) | PlayStation 2 | 29 August 2001 05:37:24 | 9 November 2001 | JP Mar 15, 2001 EU Nov 23, 2001 |
| Pro Evolution Soccer 3 (Jul 29, 2003 prototype) | PlayStation 2 | 30 July 2003 00:39:20 | 7 September 2003 | JP Aug 7, 2003 US Oct 17, 2003 EU Feb 17, 2004 |
| Pro Evolution Soccer 4 (Aug 23, 2004 prototype) | Xbox | 23 August 2004 23:36:04 | 30 September 2004 | US Feb 1, 2005 EU Nov 26, 2004 |
| Pro Evolution Soccer 5 (Sep 3, 2005 prototype) | Xbox | 3 September 2005 05:52:27 | 3 October 2005 | US Feb 7, 2006 EU Oct 21, 2005 |
| Psi-Ops: The Mindgate Conspiracy (Jun 11, 2004 prototype) | Xbox | 11 June 2004 17:09:01 | 20 August 2004 | US Jun 14, 2004 EU Oct 1, 2004 |
| R-Type (5-level prototype) | Commodore 64 | March 2002 | ||
| R-Type (6-level prototype) | Commodore 64 | 22 November 1988 | ||
| R-Type III: The Third Lightning (Prototype) | SNES | 5 November 1993 | JP Dec 10, 1993 US Aug 2, 1994 EU 1994 | |
| R.B.I. Baseball 4 (prototype) | Sega Mega Drive | 16 July 1992 | US Sep 1992 JP Dec 18, 1992 | |
| R.I.S.K. (Early prototype A) | Commodore 64 | 5 November 1986 | EU Nov 1987 | |
| RHI Roller Hockey '95 (Prototype) | SNES | 19 April 1995 | ||
| Radax (prototype) | Commodore 64 | August 1988 | DE Jul 1990 | |
| Radical Rex (ANTHROX prototype) | SNES | 29 September 1993 | US Dec 1994 EU Nov 1994 | |
| RalliSport Challenge 2 (Mar 17, 2004 prototype) | Xbox | 17 March 2004 14:47:08 | 14 April 2004 | US May 4, 2004 EU May 21, 2004 |
| Rally: The Final Round of the World Rally Championship (Prototype) | SNES | 4 May 1995 | ||
| Rapid Steel (prototype A) | Commodore 64 | 1991 | ||
| Rayman 3 (Nov 25, 2002 prototype - D) | Game Boy Advance | 25 November 2002 | 14 February 2003 | US Mar 4, 2003 EU Feb 21, 2003 |
| Rayman Advance (prototype) | Game Boy Advance | 6 June 2001 | US Jun 11, 2001 EU Jun 22, 2001 | |
| Reactor II (Hardfire prototype) | Commodore 64 | July 1994 | DE Dec 1994 | |
| Rebel Raiders: Operation Nighthawk (Mar 18, 2005 prototype) | PlayStation 2 | 18 March 2005 16:19:00 | 7 June 2005 | US Mar 21, 2006 EU Mar 3, 2006 |
| Redics (prototype) | Commodore 64 | 23 February 1993 | ||
| Reflect (demo) | Commodore 64 | 1993 | WW 1997 | |
| Ren & Stimpy: Stimpy's Invention (Prototype) | Sega Mega Drive | 14 October 1993 | JP Unreleased US 1993 EU Mar 1994 | |
| Return of the Lions (prototype) | Commodore 64 | April 1996 | ||
| Rise of the Robots (SNES Prototype) | SNES | 15 November 1994 | US Dec 1994 EU Jan 1995 JP Dec 1994 | |
| Road Riot 4WD (Atari Lynx prototype A) | Atari Lynx | 29 December 1996 | ||
| Road Runner's Death Valley Rally (Prototype) | SNES | 30 August 1992 | NA Nov 1992 JP Dec 22, 1992 EU Sep 30, 1993 | |
| Roadwars (Revision prototype) | Commodore 64 | 14 March 1988 | EU Mar 1988 US Jun 1988 | |
| Roadwars (prototype) | Commodore 64 | 1987 | EU Mar 1988 US Jun 1988 | |
| Robotech: Crystal Dreams (Aug 20, 1999 prototype) | Nintendo 64 | 12 December 2000 | ||
| Rocky Rodent (European prototype) | SNES | 5 June 1993 | JP Jul 30, 1993 US Sep 1993 EU Unreleased | |
| Roland Garros 2005: Powered by Smash Court Tennis (Mar 28, 2005 prototype) | PlayStation 2 | 28 March 2005 02:29:00 | 7 April 2005 | EU May 18, 2005 |
| Run Saber (LEGEND prototype) | SNES | 20 April 1993 | US Jun 8, 1993 EU 1993 | |
| SSX: Out Of Bounds (Dec 1, 2004 prototype) | N-Gage | 1 December 2004 | 2 January 2005 | EU Jan 21, 2005 US Jan 24, 2005 |
| Saint Seiya: The Hades (Aug 1, 2006 prototype) | PlayStation 2 | 1 August 2006 07:02:09 | 15 August 2006 | EU Sep 29, 2006 JP Feb 1, 2007 |
| Samurai Shodown (PARADOX prototype) | SNES | 2 August 1994 | JP Sep 22, 1994 US Nov, 1993 EU 1994 | |
| Santa Claus Junior (Prototype) | Game Boy Advance | 25 October 2002 | EU Nov 1, 2002 | |
| Scorpion: Fight Without Mercy (prototype A) | Commodore 64 | 1996 | ||
| Scorpion: Fight Without Mercy (prototype B) | Commodore 64 | 1998 | ||
| Second Sight (Jul 14, 2004 prototype) | Xbox | 14 July 2004 12:54:18 | 27 August 2004 | US Sep 21, 2004 EU Sep 3, 2004 |
| Seven Kingdoms II: The Fryhtan Wars (Aug 4, 1999 prototype) | PC | 4 August 1999 | 29 August 1999 | US Oct 15, 1999 EU Oct 1, 1999 |
| Shadowrun (US prototype) | SNES | 6 April 1993 | US May 1993 EU Aug 1993 JP Mar 25, 1994 | |
| Shinobi III: Return of the Ninja Master (INDEPENDENT prototype) | Sega Mega Drive | 26 August 1992 | JP Jul 23, 1993 US Sep 1993 EU Jul 23, 1993 | |
| Shoot (Early demo) | Commodore 64 | 1987 | WW 1995 | |
| Shoot (prototype) | Commodore 64 | 1994 | WW 1995 | |
| Sid Meier's Alpha Centauri (Dec 17, 1998 prototype) | PC | 17 December 1998 22:49:12 | 16 January 1999 | EU Feb 19, 1999 US Feb 9, 1999 |
| Silpheed: The Lost Planet (Feb 26, 2001 prototype) | PlayStation 2 | 26 February 2001 10:00:00 | 21 March 2001 | JP Sep 21, 2000 EU May 11, 2001 US Apr 23, 2001 |
| SimAnt (ANTHROX build) | SNES | 11 August 1993 | US Oct 1993 JP Feb 26, 1993 | |
| SimCopter (Sep 27, 1996 prototype) | PC | 27 September 1996 15:32:14 | 8 October 1996 | US Nov 20, 1996 |
| SimGolf (Oct 2, 1996 prototype) | PC | 2 October 1996 23:01:03 | US Nov 15, 1996 | |
| Skyblazer (Prototype A) | SNES | 5 August 1993 | US Jan 1994 JP Feb 18, 1994 EU Mar 25, 1994 | |
| Skyblazer (Prototype B) | SNES | 4 December 1993 | US Jan 1994 JP Feb 18, 1994 EU Mar 25, 1994 | |
| Slammer (prototype) | Commodore 64 | 3 October 1991 | ||
| Smash Tennis (Prototype) | SNES | 9 June 1994 | JP Jun 25, 1993 EU 1994 US Feb 19, 2020 | |
| Sniper (Commodore 64 prototype) | Commodore 64 | January 1994 | ||
| Soldier of Light (Early prototype) | Commodore 64 | May 1988 | EU Dec 1988 | |
| Sonic Crackers (Apr 1, 1994 prototype) | Sega Mega Drive | 1 April 1994 | 15 July 1995 | |
| Sonic Spinball (Aug 1993 prototype) | Sega Mega Drive | August 1993 | 6 October 1993 | JP Dec 10, 1993 US Nov 23, 1993 EU Nov 15, 1993 |
| Sonic the Hedgehog 2 (CENSOR prototype) | Sega Mega Drive | 9 November 1992 | JP Nov 21, 1992 US Nov 24, 1992 EU Nov 24, 1992 | |
| Sonic the Hedgehog 2 (Simon Wai prototype) | Sega Mega Drive | August 1992 | JP Nov 21, 1992 US Nov 24, 1992 EU Nov 24, 1992 | |
| Space Ace (SNES Prototype) | SNES | 14 September 1993 | US May 1994 JP Mar 25, 1994 EU 1994 | |
| Space Quest IV: Roger Wilco and the Time Rippers (Jan 18, 1991 prototype) | PC | 18 January 1991 | US Mar 4, 1991 | |
| Space Quest V: Roger Wilco – The Next Mutation (Dec 30, 1992 prototype) | PC | 30 December 1992 | US Feb 5, 1993 | |
| Space Station Silicon Valley (Japanese prototype) | Nintendo 64 | 25 October 1998 | US Oct 21, 1998 EU Nov 1998 JP Unreleased | |
| Space Warriors (prototype) | Commodore 64 | 11 October 2004 | ||
| SpellCraft (Aug 1993 prototype) | SNES | 29 August 1993 | ||
| Speranza (prototype) | Commodore 64 | 5 October 1992 | DE May 1994 | |
| Spider-Man (Accumulators prototype) | Sega Mega Drive | 17 August 1994 | US 1995 EU 1995 | |
| Spider-Man (Dec 12, 1994 prototype) | Sega Mega Drive | 12 December 1994 | 27 January 1995 | US 1995 EU 1995 |
| Spider-Man (SNES prototype) | SNES | 11 August 1994 | US 1994 | |
| SpongeBob SquarePants: Revenge of the Flying Dutchman (Prototype) | Game Boy Advance | 27 August 2002 | US September 10, 2002 EU March 28, 2003 | |
| Sports Illustrated Championship Football & Baseball (BLACKSUN prototype) | SNES | 14 August 1993 | US Feb 1994 EU 1994 | |
| Star Trek: Deep Space Nine – Crossroads of Time (NUMBERS prototype) | SNES | 23 May 1995 | US Sep 1995 EU 1996 | |
| Star Wars Battlefront (Aug 2, 2004 prototype) | Xbox | 2 August 2004 21:58:59 | 15 September 2004 | US Sep 21, 2004 |
| Star Wars: Jedi Knight - Jedi Academy (Aug 8, 2003 prototype) | PC | 8 August 2003 | 26 August 2003 | US Sep 16, 2003 EU Sep 19, 2003 |
| Star Wars: Jedi Knight - Jedi Academy (Jul 2, 2003 prototype) | PC | 2 July 2003 23:56:18 | 26 July 2003 | US Sep 16, 2003 EU Sep 19, 2003 |
| StarCraft 64 (Prototype) | Nintendo 64 | 6 October 1999 | US Jun 13, 2000 EU Jun 16, 2000 | |
| Starglider 2 (Commodore 64 prototype) | Commodore 64 | 1990 | ||
| Starsky & Hutch (Prototype) | Game Boy Advance | 26 August 2003 | US Sep 12, 2003 EU Sep 26, 2003 | |
| Steel Talons (Jul 31, 1992 prototype) | Sega Mega Drive | 31 July 1992 | 26 August 1992 | US 1992 EU 1992 JP Jun 25, 1993 |
| Steven Seagal Is: The Final Option (Prototype) | SNES | 24 May 1994 | ||
| Street Fighter Anniversary Collection (Aug 25, 2004 prototype) | Xbox | 25 August 2004 02:37:04 | 30 September 2004 | JP Oct 28, 2004 US Feb 22, 2005 EU Oct 29, 2004 |
| Street Fighter II: Champion Edition (Turbo prototype) | Sega Mega Drive | 2 June 1994 | JP Sep 28, 1993 US Sep 27, 1993 EU Oct 29, 1993 | |
| Sub-Terrania (July 1993 Prototype) | Sega Mega Drive | July 1993 | 14 July 1993 | US 1994 EU 1994 |
| Sub-Terrania (October 1993 Prototype A) | Sega Mega Drive | October 1993 | 26 December 1993 | US 1994 EU 1994 |
| Subclavian (prototype) | Commodore 64 | May 1988 | ||
| Super Bubsy (Jul 5, 1995 prototype) | PC | 5 July 1995 | 1995 | WW May 19, 1997 |
| Super Dodge Ball Advance (Prototype) | Game Boy Advance | 3 July 2002 | US Jun 11, 2001 EU Nov 16, 2001 JP Mar 21, 2001 | |
| Super Double Dragon (prototype) | SNES | 26 July 1992 | US Oct 8, 1992 JP Oct 16, 1992 EU Sep 30, 1993 | |
| Super Full Metal (Prototype A) | SNES | 29 September 1992 | ||
| Super Gem'Z (Amiga prototype) | Amiga | 8 November 1993 | ||
| Super Putty (prototype) | SNES | 3 June 1993 | EU 1993 JP Jul 30, 1993 US Nov 1993 | |
| Super Shadow of the Beast (Prototype) | SNES | 14 September 1993 | ||
| Super Solitaire (European prototype) | SNES | 8 August 1993 | US Jan 1994 JP Jun 23, 1993 EU Unreleased | |
| Super Star Wars (Jul 21, 1992 prototype) | SNES | 21 July 1992 09:00:00 | 5 September 1992 | JP Dec 18, 1992 US Nov 1, 1992 EU Apr 2, 1993 |
| Super Troll Islands (Prototype) | SNES | 27 December 1993 | JP Mar 25, 1994 US Feb 1994 EU 1994 | |
| System Shock (Aug 30, 1994 prototype) | PC | 30 August 1994 | 6 September 1994 | US Sep 23, 1994 EUP Nov, 1994 |
| Syvalion (PAL prototype) | SNES | 7 February 1993 | JP Jul 24, 1992 EU 1993 | |
| Taito Legends (Aug 31, 2005 prototype) | Xbox | 31 August 2005 08:44:25 | 30 September 2005 | US Oct 25, 2005 EU Oct 14, 2005 |
| Taito Legends 2 (Feb 16, 2006 prototype) | Xbox | 16 February 2006 14:09:26 | 15 March 2006 | EU Mar 31, 2006 |
| Taito Memories (Oct 29, 2003 prototype) | N-Gage | 29 October 2003 | 20 November 2020 | |
| Taz-Mania (Apr 6, 1993 prototype) | SNES | 6 April 1995 | 6 April 1993 | US May 1993 |
| The Addams Family: Pugsley's Scavenger Hunt (SNES Prototype) | SNES | 29 January 1993 | US 1992 EU Feb 1993 | |
| The Adventures of Jim Slim in Dragonland (demo) | Commodore 64 | 1994 | WW May 1, 2011 | |
| The Blues Brothers (SNES Prototype) | SNES | 19 November 1992 | US Jun 1993 EU 1993 JP Mar 36, 1993 | |
| The City of Lost Children (Jan 11, 1997 prototype) | PC | 11 January 1997 | US Apr 2, 1997 | |
| The Duel: Test Drive II (prototype) | SNES | 31 October 1992 | US Dec 1992 EU Mar 1993 | |
| The Flintstones (SNES Prototype) | SNES | 13 December 1994 | US Feb 1995 EU Apr 1995 | |
| The Flintstones: BurgerTime in Bedrock (Prototype) | Game Boy Color | 22 October 2000 | US May 30, 2001 EU December 2000 | |
| The Itchy & Scratchy Game (Mega Drive prototype) | Sega Mega Drive | 20 February 1995 | ||
| The King Of Fighters Extreme (Sep 8, 2004 prototype) | N-Gage | 8 September 2004 | 5 December 2004 | US Jan 12, 2005 EU Jan 20, 2005 |
| The Lawnmower Man (SNES Prototype) | SNES | 30 July 1993 | US Nov 8, 1993 EU 1993 JP Feb 11, 1994 | |
| The Lion King (Nov 6, 1994 prototype) | PC | 6 November 1994 | 11 November 1994 | US 1994 EU 1994 |
| The Magical Quest Starring Mickey Mouse (Prototype A) | SNES | 8 October 1992 | JP Nov 20, 1992 US Dec 1992 EU Mar 18, 1993 |