| | Date | System |
|---|
| 007: The World is Not Enough (Prototype - 2020 release) | | Nintendo 64 |
| 3D Challenge (Tech Demo) (E3 prototype) | | Other |
| Aggressive Inline (Aug 6, 2002 prototype) | 6 August 2002 | Nintendo GameCube |
| Aggressive Inline (Jul 29, 2002 prototype) | 29 July 2002 | Nintendo GameCube |
| Aidyn Chronicles: The First Mage (Prototype) | | Nintendo 64 |
| All Kamen Rider: Rider Generation (Prototype) | | Nintendo DS |
| All-Star Baseball 2001 (Broken prototype) | | Nintendo 64 |
| All-Star Baseball 2001 (Prototype) | | Nintendo 64 |
| Alone in the Dark: The New Nightmare (February 21, 2001 prototype) | 21 February 2001 | Game Boy Color |
| Animal Color Cross (Prototype) | | Nintendo DS |
| Bass Masters 2000 (Prototype) | | Nintendo 64 |
| Batman: Dark Tomorrow (Aug 25, 2002 prototype) | 25 August 2002 | Nintendo GameCube |
| Blues Brothers 2000 (January 15, 2000 prototype) | 15 January 2000 | Nintendo 64 |
| Blues Brothers 2000 (June 30, 2000 prototype) | 30 June 2000 | Nintendo 64 |
| Bust-A-Move '99 (Aug 28, 1998 prototype) | 28 August 1998 13:44:36 | Nintendo 64 |
| Buster Brothers (Prototype) | | Game Boy |
| Carnivalé: Cenzo's Adventure (Jul 21, 2000 prototype) | 21 July 2000 | Nintendo 64 |
| Casper (Game Boy Prototype) | | Game Boy |
| Color Cross (Prototype A) | | Nintendo DS |
| Color Cross (Prototype B) | | Nintendo DS |
| Color Cross (Prototype C) | | Nintendo DS |
| Color Cross (Prototype D) | | Nintendo DS |
| Color Cross (Prototype E) | | Nintendo DS |
| Commandos 2 (Nov 28, 2002 prototype) | 28 November 2002 | Game Boy Advance |
| Connie Talbot: Over the Rainbow (Jan 29, 2009 prototype) | 29 January 2009 | Nintendo Wii |
| Controller Pak Test Program v5.4 (Prototype) | | Nintendo 64 |
| D&Co (Prototype) | | Nintendo DS |
| DK King of Swing (prototype) | | Game Boy Advance |
| Darkwing Duck (Game Boy prototype) | | Game Boy |
| Deja Vu (April 28, 1990 prototype) | 28 April 1990 | NES |
| Deja Vu (Jul 3, 1990 prototype) | 3 July 1990 | NES |
| Deja Vu (May 15, 1990 prototype) | 15 May 1990 | NES |
| Deja Vu (May 8, 1990 prototype) | 8 May 1990 | NES |
| Densetsu no Stafy (prototype) | | Game Boy Advance |
| Densetsu no Stafy 2 (prototype) | | Game Boy Advance |
| Despicable Me: Minion Mayhem (Prototype) | | Nintendo DS |
| Destruction Derby 64 (Prototype) | | Nintendo 64 |
| Dinosaur Planet (December 1, 2000 prototype) | 1 December 2000 09:26:00 | Nintendo 64 |
| Disney's Activity Centre: A Bug's Life (Aug 19, 1999 prototype) | 19 August 1999 11:19:00 | PlayStation |
| Disney-Pixar Ratatouille (Jan 18, 2006 prototype) | 18 January 2006 15:52:40 | Nintendo GameCube |
| Disney-Pixar Ratatouille (prototype) | | Nintendo GameCube |
| Disney-Pixar The Incredibles (July 19, 2004 prototype) | 19 July 2004 | Nintendo GameCube |
| Disney-Pixar The Incredibles (Sep 12, 2004 prototype) | 12 September 2004 16:51:21 | Nintendo GameCube |
| Disney-Pixar The Incredibles (Sep 13, 2004 prototype) | 13 September 2004 00:46:09 | Nintendo GameCube |
| Disney-Pixar The Incredibles (Sep 20, 2004 prototype) | 20 September 2004 22:30:52 | Nintendo GameCube |
| Disney-Pixar The Incredibles: Rise of the Underminer (Oct 21, 2005 prototype) | 21 October 2005 20:14:05 | Nintendo GameCube |
| Disney-Pixar The Incredibles: Rise of the Underminer (Sep 15, 2005 Japanese prototype) | 15 September 2005 19:48:56 | Nintendo GameCube |
| Disney-Pixar The Incredibles: Rise of the Underminer (Sep 15, 2005 prototype) | 15 September 2005 19:48:31 | Nintendo GameCube |
| Donkey Kong Country 3 (May 6, 2005 prototype) | 6 May 2005 | Game Boy Advance |
| Dragon Ball: Origins 2 (Demo) | | Nintendo DS |
| Dragon Ball: Origins 2 (Prototype) | | Nintendo DS |
| Dragon Dance (prototype) | | Game Boy Color |
| Dragon: The Bruce Lee Story (Apr 23, 1993 prototype) | 23 April 1993 | SNES |
| Duck Dodgers Starring Daffy Duck (March 7, 2000 prototype) | 7 March 2000 | Nintendo 64 |
| Duck Dodgers Starring Daffy Duck (Prototype B) | | Nintendo 64 |
| Duke Nukem: Zero Hour (Prototype) | | Nintendo 64 |
| Dune: The Battle for Arrakis (prototype) | | Sega Mega Drive |
| ECW Hardcore Revolution (Prototype) | | Nintendo 64 |
| Easy Piano (Jul 22, 2009 Debug prototype) | 22 July 2009 | Nintendo DS |
| Easy Piano (Prototype) | | Nintendo DS |
| Eragon (Prototype) | | Nintendo DS |
| F-Zero X (Prototype) | | Nintendo 64 |
| F1 Racing Championship (Prototype) | | Nintendo 64 |
| Fire Emblem: The Binding Blade (prototype) | | Game Boy Advance |
| Floigan Bros. (Jan 21, 2001 prototype) | 21 January 2001 | Dreamcast |
| Gauntlet II (Prototype) | | Game Boy |
| General Knowledge for Dummies (Prototype) | | Nintendo DS |
| Glover (September 1998 prototype) | September 1998 | Nintendo 64 |
| Gun (Apr 7, 2004 prototype) | 7 April 2004 | Nintendo GameCube |
| Hercules: The Legendary Journeys (Debug Prototype) | | Nintendo 64 |
| Hercules: The Legendary Journeys (October 8, 1999 Prototype) | 8 October 1999 | Nintendo 64 |
| Hook (Game Boy prototype) | | Game Boy |
| Iggy's Reckin' Balls (Prototype) | | Nintendo 64 |
| Imperium (USA prototype) | | SNES |
| International Superstar Soccer 98 (Prototype) | | Nintendo 64 |
| International Superstar Soccer Deluxe (SNES Prototype) | | SNES |
| James Bond 007: Agent Under Fire (Jan 25, 2002 prototype) | 25 January 2002 | Nintendo GameCube |
| Jeremy McGrath Supercross 2000 (Prototype) | | Nintendo 64 |
| Jikkyo Powerful Pro Baseball 4 (Prototype) | | Nintendo 64 |
| Kung-Fu Master (Prototype) | | Game Boy |
| Kuru Kuru Kururin (prototype) | | Game Boy Advance |
| Kururin Paradise (prototype) | | Game Boy Advance |
| LEGO Harry Potter: Years 1-4 (Prototype) | | Nintendo DS |
| Looney Tunes Collector: Martian Alert! (Oct 28, 1999 prototype) | 28 October 1999 | Game Boy Color |
| Mace: The Dark Age (Prototype) | | Nintendo 64 |
| Madden Football 64 (Prototype) | | Nintendo 64 |
| Madden NFL 2000 (prototype) | | Game Boy Color |
| Magical Drop (Game Boy Color Prototype) | | Game Boy Color |
| Major League Baseball 2K7 (Prototype) | | Game Boy Advance |
| Mario Kart: Double Dash (July 5, 2004 debug build) | 5 July 2004 13:04:10 | Nintendo GameCube |
| Mario Kart: Super Circuit (prototype) | | Game Boy Advance |
| Mario Party 3 (Prototype) | | Nintendo 64 |
| Mechanic Mechanica (Prototype) | | Game Boy Advance |
| Metal Max (prototype) | | NES |
| Mission: Impossible (Prototype) | | Nintendo 64 |
| MySims Kingdom (Prototype) | | Nintendo DS |
| Mysterium (Prototype) | | Game Boy |
| NBA Jam 99 (Sep 25, 1998 prototype) | 25 September 1998 | Nintendo 64 |
| NUS Controller Checker (prototype) | | Nintendo 64 |
| National Geographic Panda (Prototype) | | Nintendo DS |
| Nitrobike (May 8, 2008 prototype) | 8 May 2008 12:18:17 | Nintendo Wii |
| Nuclear Strike 64 (November 17, 1999 prototype) | 17 November 1999 | Nintendo 64 |
| Nuclear Strike 64 (Prototype) | | Nintendo 64 |
| Nuclear Strike 64 (September 21, 1999 prototype) | 21 September 1999 | Nintendo 64 |
| Obelix (Prototype) | | Game Boy |
| Out of Gas (Prototype) | | Game Boy |
| Pachinko Hisshou Guide: Pocket Parlor (Prototype) | | Neo Geo Pocket Color |
| Perdition (Prototype) | | Nintendo DS |
| Petz Puppyz & Kittenz (Prototype) | | Nintendo DS |
| Phantasy Star Online Episode I & II (Prototype) | | Nintendo GameCube |
| Pictionary (Prototype) | | Nintendo DS |
| Pocky & Rocky (Nov 24, 1992 prototype) | 24 November 1992 | SNES |
| Pokémon Silver (German Prototype) | | Game Boy Color |
| Polaris SnoCross (Prototype) | | Game Boy Color |
| Polarium Advance (prototype) | | Game Boy Advance |
| Populous (Prototype) | | Game Boy |
| Porky Pig's Haunted Holiday (August 7, 1995 prototype) | 7 August 1995 17:42:00 | SNES |
| Primal Rage (Mega Drive prototype) | | Sega Mega Drive |
| Prince of Persia (Game Boy prototype) | | Game Boy |
| Prince of Persia: The Forgotten Sand (prototype) | | Nintendo DS |
| Quake (Game Boy Advance prototype) | | Game Boy Advance |
| Radical Rex (Mar 18, 1994 prototype) | 18 March 1994 | SNES |
| Raging Fighter (Prototype) | | Game Boy |
| Riddick Bowe Boxing (Game Boy Prototype) | | Game Boy |
| Road Rash 64 (October 12, 1999 prototype) | 12 October 1999 | Nintendo 64 |
| Road Rash 64 (Prototype) | | Nintendo 64 |
| Rocket: Robot on Wheels (Sep 29, 1999 build) | 29 September 1999 17:23:00 | Nintendo 64 |
| Rugrats: Scavenger Hunt (Apr 2, 1999 prototype) | 2 April 1999 05:12:00 | Nintendo 64 |
| SCORE International Baja 1000 (Aug 22, 2008 prototype) | 22 August 2008 22:11:00 | Nintendo Wii |
| SCORE International Baja 1000 (Aug 28, 2008 prototype) | 28 August 2008 18:40:13 | Nintendo Wii |
| SCORE International Baja 1000 (Sep 2, 2008 prototype) | 2 September 2008 19:39:51 | Nintendo Wii |
| SPOGS Racing (Prototype) | | Nintendo Wii |
| Saban's Power Rangers Samurai (Prototype) | | Nintendo DS |
| Sansuu Puzzle Game: Equal Card DS (Prototype) | | Nintendo DS |
| Sega Soccer Slam (Prototype) | | Nintendo GameCube |
| Sega Sports: NFL 2K1 (May 9, 2000 prototype) | 9 May 2000 20:31:56 | Dreamcast |
| Seifuku Densetsu Pretty Fighter (Prototype) | | SNES |
| Shadowgate (November, 1988 prototype) | November 1988 | NES |
| Shadowgate 64: Trials of the Four Towers (Prototype) | | Nintendo 64 |
| Snoopy Concert (Prototype) | | SNES |
| Sonic Advance 2 (Prototype) | | Game Boy Advance |
| South Park Rally (Jan 14, 2000 prototype) | 14 January 2000 19:44:59 | Nintendo 64 |
| South Park Rally (Jan 17, 2000 prototype) | 17 January 2000 14:01:54 | Nintendo 64 |
| South Park Rally (Jan 27, 2000 prototype) | 27 January 2000 19:01:36 | Nintendo 64 |
| South Park Rally (Jan 8, 2000 prototype) | 8 January 2000 18:19:26 | Nintendo 64 |
| Spectrobes: Beyond the Portals (Sep 18, 2008, French Press prototype) | 18 September 2008 16:26:55 | Nintendo DS |
| Spider-Man 4 (Jan 15, 2010 prototype) | 15 January 2010 | Nintendo Wii |
| SpongeBob SquarePants: Battle for Bikini Bottom (October 1, 2003 prototype) | 1 October 2003 | Nintendo GameCube |
| Star Soldier: Vanishing Earth (Prototype) | | Nintendo 64 |
| Star Trek (Game Boy Color prototype) | | Game Boy Color |
| Star Wars Trilogy: Apprentice of the Force (Prototype) | | Game Boy Advance |
| Star Wars: Rebel Strike (Jan 29, 1997 prototype) | 29 January 1997 | Sega Saturn |
| Summoner: A Goddess Reborn (Rev 1121A prototype) | | Nintendo GameCube |
| Summoner: A Goddess Reborn (Rev 1121B prototype) | | Nintendo GameCube |
| Super Punch-Out!! (Prototype) | | SNES |
| THQ-Eurocom N64 Test Cartridge (prototype) | | Nintendo 64 |
| Taz-Mania 2 (Prototype) | | Game Boy |
| Tennis 2K2 (Sep 13, 2001 prototype) | 13 September 2001 20:48:04 | Dreamcast |
| The Blues Brothers (Game Boy Prototype) | | Game Boy |
| The King of Fighters EX2: Howling Blood (Apr 3, 2003 prototype) | 3 April 2003 | Game Boy Advance |
| The Legend of Zelda: Ocarina of Time (Feb 13, 2003 Debug) | 13 February 2003 19:46:49 | Nintendo 64 |
| The Legend of Zelda: Ocarina of Time (Oct 18, 1998 prototype) | 18 October 1998 23:05:00 | Nintendo 64 |
| The Powerpuff Girls: Chemical X-Traction (Sep 27, 2001 prototype) | 27 September 2001 | Nintendo 64 |
| Thundercats (Prototype) | | Nintendo DS |
| Tintin: Prisoners of the Sun (Prototype) | | Game Boy |
| Tomato Adventure (prototype) | | Game Boy Advance |
| Tonic Trouble (Prototype) | | Nintendo 64 |
| Top Gear Overdrive (Sep 4, 1998 prototype) | 4 September 1998 | Nintendo 64 |
| Top Gear Rally 2 (Prototype) | | Nintendo 64 |
| Toy Golf Extreme (Apr 23, 2008 prototype) | 23 April 2008 | Nintendo DS |
| Turok 3: Shadow of Oblivion (Jul 16 2000 21:14:12 prototype) | 16 July 2000 21:14:12 | Nintendo 64 |
| Turok 3: Shadow of Oblivion (Jul 16 2000 22:02:45 prototype) | 16 July 2000 22:02:45 | Nintendo 64 |
| Turok 3: Shadow of Oblivion (Jul 16, 2000 prototype) | 16 July 2000 | Nintendo 64 |
| Turok 3: Shadow of Oblivion (Jul 18, 2000 prototype) | 18 July 2000 10:01:59 | Nintendo 64 |
| Turok 3: Shadow of Oblivion (Jun 26, 2000 prototype) | 26 June 2000 | Nintendo 64 |
| Turok 3: Shadow of Oblivion (May 8, 2000 prototype) | 8 May 2000 | Nintendo 64 |
| Uninvited (August 23, 1990 prototype) | 23 August 1990 | NES |
| Uninvited (July 4, 1990 prototype) | 4 July 1990 | NES |
| Uninvited (September 10, 1990 prototype) | 10 September 1990 | NES |
| Uniracers (November 29th, 1994 prototype) | | SNES |
| Urban Extreme: Street Rage (Prototype) | | Nintendo Wii |
| Viewpoint 2064 (Prototype) | | Nintendo 64 |
| Viva Pinata: Pocket Paradise (Prototype) | | Nintendo DS |
| X'treme Roller (N64 prototype) | | Nintendo 64 |
| Zoop (Game Boy prototype) | | Game Boy |