| | Date | System | File release date | Page creation date |
|---|
| 007: The World is Not Enough (Dec 15, 1998 prototype) | | Nintendo 64 | | |
| 2 Games in 1: The SpongeBob SquarePants Movie / Battle for Bikini Bottom (Nov 10, 2005 prototype) | | Nintendo GameCube | | |
| 3D Challenge (Jan 12, 2011 prototype) | | Nintendo 3DS | | |
| 3D Terrain (2001 tech demo) | | Game Boy Advance | | |
| A Week of Garfield (Ver 0.9 prototype) | | NES | | |
| A-Max Boxing (prototype) | | Nintendo DS | | |
| A-Max Tennis (prototype) | | Nintendo DS | | |
| AGB Aging Cartridge (1.0) | | Game Boy Advance | | |
| AGB Aging Cartridge (9.0) | | Game Boy Advance | | |
| Advance Wars (iQue prototype) | | Game Boy Advance | | |
| Aero the Acro-Bat (Game Boy Advance prototype) | | Game Boy Advance | | |
| Aggressive Inline (Aug 6, 2002 prototype) | | Nintendo GameCube | | |
| Aggressive Inline (Jul 29, 2002 prototype) | | Nintendo GameCube | | |
| Aidyn Chronicles: The First Mage (Apr 10, 2001 prototype) | | Nintendo 64 | | |
| Aidyn Chronicles: The First Mage (Dec 5, 2000 Prototype) | | Nintendo 64 | | |
| Aidyn Chronicles: The First Mage (Mar 2, 2001 prototype) | | Nintendo 64 | | |
| All Kamen Rider: Rider Generation (Jun 2, 2011 prototype) | | Nintendo DS | | |
| All-Star Baseball 2001 (Broken prototype) | | Nintendo 64 | | |
| All-Star Baseball 2001 (Prototype) | | Nintendo 64 | | |
| All-Star Baseball 2003 featuring Derek Jeter (May 23, 2002 build) | | Xbox | | |
| Alone in the Dark: The New Nightmare (February 21, 2001 prototype) | | Game Boy Color | | |
| Altered Space: A 3-D Alien Adventure (Feb 15, 1991 prototype) | | Game Boy | | |
| Animal Color Cross (Prototype) | | Nintendo DS | | |
| Arcana (prototype) | | SNES | | |
| AtSimple DS Series Vol. 1: The Misshitsu kara no Dasshutsu (prototype) | | Nintendo DSi | | |
| B-17: Fortress in the Sky (Prototype) | | Nintendo DS | | |
| Backup LIB sample (1.04) | | Game Boy Advance | | |
| Barbie: Groom and Glam Pups (Prototype) | | Nintendo DS | | |
| Bass Masters 2000 (Prototype) | | Nintendo 64 | | |
| Batman: Dark Tomorrow (Aug 25, 2002 prototype) | | Nintendo GameCube | | |
| Ben 10 Ultimate Alien: Cosmic Destruction (prototype) | | Nintendo DS | | |
| Bloctrix (Aug 26, 1998 prototype) | | PC | | |
| Bloctrix (Jul 16, 1998 prototype) | | PC | | |
| Bloctrix (Nov 24, 1998 prototype) | | PC | | |
| Bloctrix (Nov 5, 1998 prototype) | | PC | | |
| Bloctrix (Oct 14, 1998 prototype) | | PC | | |
| Bloctrix (Oct 15, 1998 13.00 prototype) | | PC | | |
| Bloctrix (Oct 15, 1998 16.18 prototype) | | PC | | |
| Bloctrix (Oct 25, 1998 prototype) | | PC | | |
| Bloctrix (Oct 28, 1998 prototype) | | PC | | |
| Bloctrix (Oct 29, 1998 prototype) | | PC | | |
| Bloctrix (Oct 5, 1998 prototype) | | PC | | |
| Bloctrix (Sep 10, 1998 prototype) | | PC | | |
| Bloctrix (Sep 18, 1998 prototype) | | PC | | |
| Bloctrix (Sep 21, 1998 prototype) | | PC | | |
| Bloctrix (Sep 22, 1998 prototype) | | PC | | |
| Bloctrix (Sep 24, 1998 prototype) | | PC | | |
| Bloctrix (Sep 28, 1998 prototype) | | PC | | |
| Bloctrix (Sep 8, 1998 prototype) | | PC | | |
| Bloctrix (Sep 9, 1998 prototype) | | PC | | |
| Blood Lines (May 12, 1997 prototype) | | PlayStation | | |
| Bloody Roar: Primal Fury (Jan 8, 2002 prototype) | | Nintendo GameCube | | |
| Blue Dragon: Awakened Shadow (prototype) | | Nintendo DS | | |
| Blues Brothers 2000 (Jan 15, 2000 prototype) | | Nintendo 64 | | |
| Blues Brothers 2000 (Jun 30, 2000 prototype) | | Nintendo 64 | | |
| Bokura no Telebi Game Kentei: Pikotto! Udedameshi (Feb 22, 2008 prototype) | | Nintendo DS | | |
| Boxing Legends of the Ring (prototype) | | SNES | | |
| Burnout (Mar 6, 2002 prototype) | | Nintendo GameCube | | |
| Bust-A-Move '99 (Aug 28, 1998 prototype) | | Nintendo 64 | | |
| Buster Brothers (Prototype) | | Game Boy | | |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype A) | | Nintendo 3DS | | |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype B) | | Nintendo 3DS | | |
| Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype C) | | Nintendo 3DS | | |
| Carnivalé: Cenzo's Adventure (Jul 21, 2000 prototype) | | Nintendo 64 | | |
| Casper (Game Boy Prototype) | | Game Boy | | |
| Catrap (prototype) | | Game Boy | | |
| Code Lyoko: Fall of XANA (Mar 26, 2008 prototype) | | Nintendo DS | | |
| 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) | | Game Boy Advance | | |
| Connie Talbot: Over the Rainbow (Jan 29, 2009 prototype) | | Nintendo Wii | | |
| Controller Pak Test Program v5.4 (Prototype) | | Nintendo 64 | | |
| Cooly Skunk (Prototype) | | Satellaview | | |
| Cutthroat Island (prototype) | | SNES | | |
| D&Co (Prototype) | | Nintendo DS | | |
| DK King of Swing (iQue prototype) | | Game Boy Advance | | |
| Dark Eden (Prototype) | | Game Boy Advance | | |
| Darkwing Duck (Game Boy prototype) | | Game Boy | | |
| Deja Vu (April 28, 1990 prototype) | | NES | | |
| Deja Vu (Jul 3, 1990 prototype) | | NES | | |
| Deja Vu (May 15, 1990 prototype) | | NES | | |
| Deja Vu (May 8, 1990 prototype) | | NES | | |
| Demon's Crest (Game Boy Advance prototype) | | Game Boy Advance | | |
| Dennis the Menace (prototype) | | SNES | | |
| Densetsu no Stafy (Mar 6, 2006 iQue prototype) | | Game Boy Advance | | |
| Densetsu no Stafy 2 (Jun 6, 2006 iQue prototype) | | Game Boy Advance | | |
| Despicable Me: The Game: Minion Mayhem (EU prototype) | | Nintendo DS | | |
| Despicable Me: The Game: Minion Mayhem (USA prototype) | | Nintendo DS | | |
| Destruction Derby 64 (Prototype) | | Nintendo 64 | | |
| Diddy Kong Racing (May 27th, 2004 tech demo) | | Nintendo DS | | |
| Diddy Kong Racing (May 31st, 2004 tech demo) | | Nintendo DS | | |
| Dig Dug: Digging Strike (JP Kiosk demo) | | Nintendo DS | | |
| Digimon World: Dusk/Dawn (Dawn prototype) | | Nintendo DS | | |
| Digimon World: Dusk/Dawn (Dusk prototype) | | Nintendo DS | | |
| Dinosaur Planet (Dec 1, 2000 prototype) | | Nintendo 64 | | |
| Disney's Activity Centre: A Bug's Life (Aug 19, 1999 prototype) | | PlayStation | | |
| Disney-Pixar Ratatouille (Jan 18, 2006 prototype) | | Nintendo GameCube | | |
| Disney-Pixar Ratatouille (prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles (Jul 19, 2004 prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles (Sep 12, 2004 prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles (Sep 13, 2004 TGS demo) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles (Sep 20, 2004 prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles: Rise of the Underminer (Oct 21, 2005 prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles: Rise of the Underminer (Sep 15, 2005 Japanese prototype) | | Nintendo GameCube | | |
| Disney-Pixar The Incredibles: Rise of the Underminer (Sep 15, 2005 prototype) | | Nintendo GameCube | | |
| Donkey Kong Country 3 (May 6, 2005 prototype) | | Game Boy Advance | | |
| Dragon Ball Z: Attack of the Saiyans (prototype) | | Nintendo DS | | |
| Dragon Ball: Origins 2 (Demo A) | | Nintendo DS | | |
| Dragon Ball: Origins 2 (Demo B) | | Nintendo DS | | |
| Dragon Ball: Origins 2 (Prototype A) | | Nintendo DS | | |
| Dragon Ball: Origins 2 (prototype B) | | Nintendo DS | | |
| Dragon Dance (prototype) | | Game Boy Color | | |
| Dragon: The Bruce Lee Story (Apr 23, 1993 prototype) | | SNES | | |
| Driven (Prototype) | | Nintendo GameCube | | |
| Duck Dodgers Starring Daffy Duck (Mar 7, 2000 prototype) | | 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 (Oct 15, 1999 prototype) | | PlayStation | | |
| ECW Hardcore Revolution (Prototype) | | Nintendo 64 | | |
| ESPN MLS ExtraTime 2002 (Jan 31, 2002 prototype) | | Nintendo GameCube | | |
| ESPN MLS ExtraTime 2002 (Prototype) | | Nintendo GameCube | | |
| Easy Piano (Jul 22, 2009 Debug prototype) | | Nintendo DS | | |
| Easy Piano (Prototype) | | Nintendo DS | | |
| Eragon (Jun 5, 2006 prototype) | | Nintendo DS | | |
| F-Zero X (Prototype) | | Nintendo 64 | | |
| F1 Racing Championship (Prototype) | | Nintendo 64 | | |
| Famicom Mini Collection (iQue prototype) | | Game Boy Advance | | |
| Famicom Tantei Club Part II: Ushiro ni Tatsu Shoujo: Zenpen (Prototype) | | FDS | | |
| Fire Emblem: The Binding Blade (iQue prototype) | | Game Boy Advance | | |
| Floigan Bros. (Jan 21, 2001 prototype) | | Dreamcast | | |
| Freestyle Street Soccer (Nov 24, 2003 prototype) | | Nintendo GameCube | | |
| Gauntlet II (Prototype) | | Game Boy | | |
| General Knowledge for Dummies (Prototype) | | Nintendo DS | | |
| Glover (Sep 3, 1998 prototype) | | Nintendo 64 | | |
| Greg Hastings' Tournament Paintball Max'd (Mar 25, 2005 prototype) | | Xbox | | |
| Greg Hastings' Tournament Paintball Max'd (Sep 15, 2005 prototype) | | Xbox | | |
| Gremlins Gizmo (prototype) | | Nintendo DS | | |
| Gun (Apr 7, 2004 prototype) | | Nintendo GameCube | | |
| Harvest Moon (Prototype) | | SNES | | |
| Hercules: The Legendary Journeys (May 12, 2000 Debug Prototype) | | Nintendo 64 | | |
| Hercules: The Legendary Journeys (Oct 8, 1999 Prototype) | | Nintendo 64 | | |
| Hitler no Fukkatsu: Top Secret (Japanese prototype) | | NES | | |
| Home Run King (Prototype) | | Nintendo GameCube | | |
| Hook (Game Boy prototype) | | Game Boy | | |
| Iggy's Reckin' Balls (Prototype) | | Nintendo 64 | | |
| Imperium (USA prototype) | | SNES | | |
| Indora no Hikari (Aug 15, 1987 prototype) | | NES | | |
| International Superstar Soccer 98 (Mar 2, 1998 prototype) | | Nintendo 64 | | |
| International Superstar Soccer Deluxe (SNES Prototype) | | SNES | | |
| James Bond 007: Agent Under Fire (Jan 25, 2002 prototype) | | Nintendo GameCube | | |
| Jeep Jamboree: Off Road Adventure (Prototype) | | Game Boy | | |
| Jeremy McGrath Supercross 2000 (Prototype) | | Nintendo 64 | | |
| Jigsaw Party (Mar 25, 1994 prototype) | | SNES | | |
| Jikkyou Powerful Pro Yakyuu 4 (Nov 30, 1996 prototype) | | Nintendo 64 | | |
| Joe & Mac 2: Lost in the Tropics (prototype) | | SNES | | |
| Juiced (Jun 2, 2004 demo) | | PC | | |
| Kanji Sonomama Rakubiki Jiten DS (JP Kiosk demo) | | Nintendo DS | | |
| Kid Klown in Crazy Chase (SNES prototype) | | SNES | | |
| King of the Monsters 2 (prototype) | | SNES | | |
| Kirby: Squeak Squad (JP Kiosk demo) | | Nintendo DS | | |
| Kung-Fu Master (Prototype) | | Game Boy | | |
| Kuru Kuru Kururin (iQue prototype) | | Game Boy Advance | | |
| Kururin Paradise (iQue prototype) | | Game Boy Advance | | |
| Kyle Petty's No Fear Racing (prototype) | | SNES | | |
| LEGO Harry Potter: Years 1-4 (Prototype) | | Nintendo DS | | |
| Looney Tunes Collector: Martian Alert! (Oct 28, 1999 prototype) | | Game Boy Color | | |
| Lost Kingdoms (Mar 4, 2002) | | Nintendo GameCube | | |
| Mace: The Dark Age (Prototype) | | Nintendo 64 | | |
| Machines (Dec 30, 1998 prototype) | | PC | | |
| 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 & Luigi: Dream Team (May 13, 2013 demo) | | Nintendo 3DS | | |
| Mario & Luigi: Superstar Saga (iQue prototype) | | Game Boy Advance | | |
| Mario Kart XXL (Apr 17, 2004 Tech Demo) | | Game Boy Advance | | |
| Mario Kart: Double Dash!! (July 5th, 2004 debug build) | | Nintendo GameCube | | |
| Mario Kart: Super Circuit (iQue Prototype) | | Game Boy Advance | | |
| Mario Party 3 (American prototype) | | Nintendo 64 | | |
| Mario's Time Machine (Prototype) | | SNES | | |
| Mechanic Mechanica (Prototype) | | Game Boy Advance | | |
| Metal Max (prototype) | | NES | | |
| Meteos (Jan 19, 2005 prototype) | | Nintendo DS | | |
| Micro Machines 2: Turbo Tournament (Game Boy Color prototype) | | Game Boy Color | | |
| Mission: Impossible (Prototype) | | Nintendo 64 | | |
| Mr. Nutz (Jun 10, 1993 prototype) | | SNES | | |
| My Melody: Negai ga Kanau Fushigi na Hako (Aug 17, 2015 Prototype) | | Nintendo 3DS | | |
| My Melody: Negai ga Kanau Fushigi na Hako (Prototype A) | | Nintendo 3DS | | |
| My Melody: Negai ga Kanau Fushigi na Hako (Prototype B) | | Nintendo 3DS | | |
| MySims Kingdom (Aug 6, 2008 prototype) | | Nintendo DS | | |
| Myst (prototype) | | Nintendo DS | | |
| Mysterium (Prototype) | | Game Boy | | |
| NARC (Uncensored prototype) | | NES | | |
| NBA Jam 99 (Sep 25, 1998 prototype) | | Nintendo 64 | | |
| NUS Controller Checker (prototype) | | Nintendo 64 | | |
| Namco Museum (E3 prototype) | | Nintendo GameCube | | |
| National Geographic Panda (Prototype A) | | Nintendo DS | | |
| National Geographic Panda (Prototype B) | | Nintendo DS | | |
| Neko-Tomo (prototype) | | Nintendo 3DS | | |
| New Super Mario Bros. (Oct 23, 2009 JP Kiosk demo) | | Nintendo DS | | |
| New Super Mario Bros. (Sep 11, 2006 JP Kiosk demo) | | Nintendo DS | | |
| New Super Mario Bros. U (DLC New Super Luigi U prototype) | | Nintendo Wii U | | |
| Ninja Hattori-kun (prototype) | | NES | | |
| Nintendo Card Backup Manager (Sep 18, 2008) | | Nintendo DS | | |
| Nintendo DS Lite Firmware (prototype) | | Nintendo DS | | |
| Nintendo DS firmware (040615) | | Nintendo DS | | |
| Nintendo DS firmware (40820D) | | Nintendo DS | | |
| Nintendo Power GB Memory Cartridge (CS174) | | Game Boy | | |
| Nintendogs (Jack Russell Relay Mode) | | Nintendo DS | | |
| Nitrobike (May 8, 2008 prototype) | | Nintendo Wii | | |
| Nuclear Strike 64 (Nov 17, 1999 prototype) | | Nintendo 64 | | |
| Nuclear Strike 64 (Prototype) | | Nintendo 64 | | |
| Nuclear Strike 64 (Sep 21, 1999 prototype) | | Nintendo 64 | | |
| Obelix (Prototype) | | Game Boy | | |
| Ochin ni Toshi Puzzle Tonjan! (Prototype) | | NES | | |
| One Piece: Aim! The King of Berry (prototype) | | Game Boy Advance | | |
| Original Frisbee Disc Sports: Ultimate & Golf (Prototype) | | Nintendo DS | | |
| Out of Gas (Prototype) | | Game Boy | | |
| PGA European Tour Golf (VERSION B2.9 Prototype) | | Nintendo 64 | | |
| 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 | | |
| Pika Pika Nurse Monogatari: Shounika wa Itsumo Oosawagi (Prototype A) | | Nintendo 3DS | | |
| Pika Pika Nurse Monogatari: Shounika wa Itsumo Oosawagi (Prototype B) | | Nintendo 3DS | | |
| Pikkudan (JP debug prototype) | | Nintendo DS | | |
| Pirates of the Caribbean: At World’s End (Jul 5, 2005 prototype) | | Xbox | | |
| Pocky & Rocky (Nov 24, 1992 prototype) | | SNES | | |
| Point Blank DS (prototype) | | Nintendo DS | | |
| Pokemon Rumble World (34356M prototype) | | Nintendo 3DS | | |
| Pokemon Rumble World (34961M prototype) | | Nintendo 3DS | | |
| Pokemon Rumble World (Jul 16, 2015 Prototype A) | | Nintendo 3DS | | |
| Pokemon Rumble World (Jul 16, 2015 Prototype B) | | Nintendo 3DS | | |
| Pokémon Silver (German Demo) | | Game Boy Color | | |
| Polaris SnoCross (Prototype) | | Game Boy Color | | |
| Polarium Advance (iQue prototype) | | Game Boy Advance | | |
| Polarium Advance (prototype) | | Game Boy Advance | | |
| Pop'n TwinBee: Rainbow Bell Adventures (Prototype) | | SNES | | |
| Populous (European build) | | Game Boy | | |
| Porky Pig's Haunted Holiday (Aug 7, 1995 prototype) | | 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 | | |
| QSound Labs Userdata Backup Cartridge (prototype) | | Nintendo DS | | |
| Quake (Game Boy Advance prototype) | | Game Boy Advance | | |
| R-3D Demo (Tech Demo) | | Game Boy Advance | | |
| Racing Gears Advance (Sep 22, 2003 prototype) | | Game Boy Advance | | |
| Radical Rex (Mar 18, 1994 prototype) | | SNES | | |
| Raging Fighter (Prototype) | | Game Boy | | |
| Re-Volt (Apr 7, 1999 prototype) | | PC | | |
| Re-Volt (May 7, 1999 prototype) | | PC | | |
| Riddick Bowe Boxing (Game Boy Prototype) | | Game Boy | | |
| Road Rash 64 (Oct 12, 1999 prototype) | | Nintendo 64 | | |
| Road Rash 64 (Prototype A) | | Nintendo 64 | | |
| Road Rash 64 (Prototype B) | | Nintendo 64 | | |
| Rocket: Robot on Wheels (Sep 29, 1999 build) | | Nintendo 64 | | |
| Rugrats: Scavenger Hunt (Apr 2, 1999 prototype) | | Nintendo 64 | | |
| Run Saber (Jan 19, 1993 prototype) | | SNES | | |
| SCORE International Baja 1000 (Aug 22, 2008 prototype) | | Nintendo Wii | | |
| SCORE International Baja 1000 (Aug 28, 2008 prototype) | | Nintendo Wii | | |
| SCORE International Baja 1000 (Sep 2, 2008 prototype) | | Nintendo Wii | | |
| SIMPLE DS Series Vol. 5 (JP prototype) | | Nintendo DSi | | |
| SPOGS Racing (Prototype) | | Nintendo Wii | | |
| Saban's Power Rangers Samurai (Prototype) | | Nintendo DS | | |
| Saban's Power Rangers Samurai (USA prototype) | | Nintendo DS | | |
| Samurai Shodown (SNES Prototype) | | SNES | | |
| Sansuu Puzzle Game: Equal Card DS (Jul 10, 2006 prototype) | | Nintendo DS | | |
| Sea Boy (Prototype) | | Game Boy Advance | | |
| Sega Soccer Slam (Prototype) | | Nintendo GameCube | | |
| Sega Sports: NFL 2K1 (May 9, 2000 prototype) | | Dreamcast | | |
| Seifuku Densetsu Pretty Fighter (Prototype) | | SNES | | |
| Shadowgate (November, 1988 prototype) | | NES | | |
| Shadowgate 64: Trials of the Four Towers (prototype A) | | Nintendo 64 | | |
| Snoopy Concert (Prototype) | | SNES | | |
| Sonic Advance 2 (Oct 25, 2002 prototype) | | Game Boy Advance | | |
| South Park (Jan 19, 1999 prototype) | | PC | | |
| South Park Rally (Aug 27, 1999 prototype) | | PC | | |
| South Park Rally (Dec 23, 1999 prototype) | | PC | | |
| South Park Rally (Feb 4, 2000 build) | | PC | | |
| South Park Rally (Jan 14, 2000 prototype) | | Nintendo 64 | | |
| South Park Rally (Jan 17, 2000 prototype) | | Nintendo 64 | | |
| South Park Rally (Jan 27, 2000 prototype) | | Nintendo 64 | | |
| South Park Rally (Jan 8, 2000 prototype) | | Nintendo 64 | | |
| South Park Rally (Sep 14, 1999 prototype) | | PC | | |
| South Park Rally (Sep 29, 1999 prototype) | | PC | | |
| South Park Rally (Sep 8, 1999 prototype) | | PC | | |
| Spectrobes: Beyond the Portals (Sep 18, 2008, French Press prototype) | | Nintendo DS | | |
| Speed Racer in My Most Dangerous Adventures (prototype) | | SNES | | |
| SpellCraft (Ver 01.03f prototype) | | SNES | | |
| Spider-Man 4 (Jan 15, 2010 prototype) | | Nintendo Wii | | |
| SpongeBob SquarePants: Battle for Bikini Bottom (Oct 1, 2003 prototype) | | Nintendo GameCube | | |
| Star Soldier (Prototype) | | NES | | |
| Star Soldier: Vanishing Earth (Mar 10, 1998 prototype) | | Nintendo 64 | | |
| Star Trek (Game Boy Color prototype) | | Game Boy Color | | |
| Star Trek: Deep Space Nine: The Fallen (Oct 26, 2000 prototype) | | PC | | |
| Star Wars Episode I: Battle for Naboo (Prototype) | | Nintendo 64 | | |
| Star Wars Trilogy: Apprentice of the Force (Prototype) | | Game Boy Advance | | |
| Star Wars: Rebel Strike (Jan 29, 1997 prototype) | | Sega Saturn | | |
| Sumikko Gurashi: Koko Dokonan Desu? (Prototype) | | Nintendo 3DS | | |
| Sumikko Gurashi: Koko Dokonan Desu? (Update 2.0 prototype) | | Nintendo 3DS | | |
| Summoner: A Goddess Reborn (Rev 1121A prototype) | | Nintendo GameCube | | |
| Summoner: A Goddess Reborn (Rev 1121B prototype) | | Nintendo GameCube | | |
| Super Adventure Island II (Prototype) | | SNES | | |
| Super Mario World (Oct 25, 1990 localization prototype) | | SNES | | |
| Super Nova (prototype) | | SNES | | |
| Super Punch-Out!! (Prototype) | | SNES | | |
| Super Scrabble (Prototype) | | Game Boy | | |
| THQ-Eurocom N64 Test Cartridge (prototype) | | Nintendo 64 | | |
| Tales of Symphonia (Mar 30, 2004 prototype) | | Nintendo GameCube | | |
| Taz-Mania 2 (Prototype) | | Game Boy | | |
| Tennis 2K2 (Sep 13, 2001 prototype) | | Dreamcast | | |
| Tetris (Jun 14, 1989 prototype) | | Game Boy | | |
| The Blues Brothers (Game Boy Prototype) | | Game Boy | | |
| The Holy Bible: World English Bible (Prototype) | | Game Boy Advance | | |
| The King of Fighters EX2: Howling Blood (Apr 3, 2003 prototype) | | Game Boy Advance | | |
| The Legend of Zelda: Ocarina of Time (Feb 13, 2003 Debug) | | Nintendo 64 | | |
| The Legend of Zelda: Ocarina of Time (Oct 18, 1998 prototype) | | Nintendo 64 | | |
| The Legend of Zelda: Tri Force Heroes (May 22, 2015 prototype) | | Nintendo 3DS | | |
| The Powerpuff Girls: Chemical X-Traction (Sep 27, 2001 prototype) | | Nintendo 64 | | |
| The Red Star (May 14, 2004 prototype) | | Xbox | | |
| Thomas to Asonde Oboeru Kotoba to Kazu to ABC (Prototype) | | Nintendo 3DS | | |
| Thundercats (Apr 23, 2012 USA B prototype) | | Nintendo DS | | |
| Thundercats (Aug 10, 2012 USA prototype) | | Nintendo DS | | |
| Thundercats (Jun 13, 2012 USA prototype) | | Nintendo DS | | |
| Thundercats (Jun 8, 2012 USA prototype) | | Nintendo DS | | |
| Thundercats (May 14, 2012 EU prototype) | | Nintendo DS | | |
| Thundercats (prototype A) | | Nintendo DS | | |
| Thundercats (prototype B) | | Nintendo DS | | |
| Thundercats (prototype C) | | Nintendo DS | | |
| Tintin: Prisoners of the Sun (Prototype) | | Game Boy | | |
| Toki Tori (Prototype A) | | Nintendo DS | | |
| Toki Tori (Prototype B) | | Nintendo DS | | |
| Toki Tori (Prototype C) | | Nintendo DS | | |
| Tomato Adventure (iQue prototype) | | Game Boy Advance | | |
| Tonic Trouble (Prototype) | | Nintendo 64 | | |
| Tony Hawk's Pro Skater (Prototype) | | Nintendo 64 | | |
| Tony Hawk's Pro Skater 2 (Apr 20, 2001 prototype) | | Nintendo 64 | | |
| Tony Hawk's Pro Skater 2 (Prototype) | | Nintendo 64 | | |
| Tony Hawk's Underground 2 (prototype) | | Nintendo GameCube | | |
| Tony Meola's Sidekicks Soccer (US prototype B) | | SNES | | |
| Tony Meola's Sidekicks Soccer (US prototype C) | | SNES | | |
| Top Gear Overdrive (Sep 4, 1998 prototype) | | Nintendo 64 | | |
| Top Gear Rally 2 (Prototype) | | Nintendo 64 | | |
| TouchMaster 3 (Prototype) | | Nintendo DS | | |
| Toudai Shogi: Meijinsen Dojo DS (Prototype) | | Nintendo DS | | |
| Toy Golf Extreme (Apr 23, 2008 prototype) | | Nintendo DS | | |
| Turok 3: Shadow of Oblivion (Jul 16 2000 21:14:12 prototype) | | Nintendo 64 | | |
| Turok 3: Shadow of Oblivion (Jul 16 2000 22:02:45 prototype) | | Nintendo 64 | | |
| Turok 3: Shadow of Oblivion (Jul 16, 2000 prototype) | | Nintendo 64 | | |
| Turok 3: Shadow of Oblivion (Jul 18, 2000 prototype) | | Nintendo 64 | | |
| Turok 3: Shadow of Oblivion (Jun 26, 2000 prototype) | | Nintendo 64 | | |
| Turok 3: Shadow of Oblivion (May 8, 2000 prototype) | | Nintendo 64 | | |
| Ultimate Muscle: The Kinnikuman Legacy (Apr 23, 2003 prototype) | | Game Boy Advance | | |
| Uninvited (Aug 23, 1990 prototype) | | NES | | |
| Uninvited (Aug 30, 1990 prototype) | | NES | | |
| Uninvited (Jul 4, 1990 prototype) | | NES | | |
| Uninvited (Sep 10, 1990 prototype) | | NES | | |
| Uniracers (Nov 29, 1994 prototype) | | SNES | | |
| Urban Extreme: Street Rage (Prototype) | | Nintendo Wii | | |
| Vexx (Jan 22, 2003 prototype) | | Xbox | | |
| Viewpoint 2064 (Dec 17, 1999 prototype) | | Nintendo 64 | | |
| Viva Pinata: Pocket Paradise (Mar 20, 2008 prototype) | | Nintendo DS | | |
| WM Test (Nov 2, 2005) | | | | |
| WWF No Mercy (Sep 11, 2000 prototype) | | Nintendo 64 | | |
| Wan Nyan Pet Shop (Prototype) | | Nintendo 3DS | | |
| We're Back! A Dinosaur's Story (prototype) | | SNES | | |
| Whirl Tour (Sep 14, 2002 prototype) | | Nintendo GameCube | | |
| Wily & Right no RockBoard: That’s Paradise (prototype) | | NES | | |
| WinBack: Covert Operations (Jul 23, 1999 prototype) | | Nintendo 64 | | |
| Wordtris (prototype) | | Game Boy | | |
| Worms 3D (Aug 17, 2004 prototype) | | Xbox | | |
| X'treme Roller (N64 prototype) | | Nintendo 64 | | |
| Zoo Tycoon (Aug 14, 2002 Marketing Beta) | | PC | | |
| Zoo Tycoon (Jun 29, 2001 prototype) | | PC | | |
| Zoo Tycoon (May 10, 2001 prototype) | | PC | | |
| Zoo Tycoon 2 (Jul 16, 2004 prototype) | | PC | | |
| Zoo Tycoon 2 (Oct 8, 2004 prototype) | | PC | | |
| Zoop (Game Boy prototype) | | Game Boy | | |