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F
- Far Cry 5 (Mar 2018 prototype)
- Far Cry Instincts Predator (Feb 4, 2006 prototype)
- Far Cry Instincts Predator (Jun 29, 2006 demo)
- Feeding Frenzy (Unknown prototype)
- Ferrari Challenge Trofeo Pirelli (Aug 1, 2009 Patch Data prototype)
- Fight Night Round 3 (Dec 14, 2005 Alpha Prototype)
- Final Fantasy XI (Oct 22, 2005 prototype)
- Final Fantasy XI (Oct 27, 2005 prototype)
- Final Fantasy XIII (Aug 11, 2010 prototype)
- Final Fantasy XIII (Aug 12, 2010 prototype)
- Final Fight: Double Impact (Nov 17, 2009 prototype)
- Finger TestBed (Apr 30, 2011 prototype)
- Fire Pro Wrestling (Feb 5, 2012 prototype)
- Fire Pro Wrestling (Oct 26, 2011 prototype)
- FireTeam (Oct 10, 1998 prototype)
- Flashback (Dec 21, 1994 prototype)
- Flashback: The Quest for Identity (Jul 4, 1995 prototype)
- Flatout (Unknown prototype)
- Football Manager 2005 (Aug 8, 2005 Beta Kit Prototype)
- Forgotten Realms: Demon Stone (Jun 4, 2004 prototype)
- Forza Horizon (Jun 2, 2012 prototype)
- Forza Motorsport 2 (Apr 27, 2007 prototype)
- Forza Motorsport 2 (DLC Pre-Order prototype)
- Forza Motorsport 2 (DLC Road America Pack prototype)
- Forza Motorsport 2 (The September Car Pack prototype)
- Forza Motorsport 3 (Sep 4, 2009 prototype)
- Foul Play (Jun 7, 2013 prototype)
- Foul Play (Mar 8, 2013 prototype)
- FourthView Player (Prototype)
- Frog Bog (prototype)
- Frogger (March 31, 1999 prototype)
- From Dust (Mar 7, 2011 prototype)
- Front Mission Evolved (Aug 5, 2010 prototype)
- Front Mission Online (Sep 18, 2004 prototype)
- Frontlines: Fuel of War (Jan 29, 2008 prototype)
- Frontlines: Fuel of War (Oct 23, 2007 prototype)
- Full Auto (Apr 27, 2005 prototype)
- Full Auto 2: Battlelines (Oct 27, 2006 prototype)
- Full House Poker (Feb 3, 2011 prototype)
- Full House Poker (Jul 31, 2010 prototype)
- Fuzz and Rocket (Jan 18, 2005 prototype)
G
- GPU26 2600 Emulator
- GRID Autosport (May 5 , 2014 prototype)
- Gal Gun (Aug 29, 2010 prototype)
- Galactic Siege (Jan 10, 2010 prototype)
- Galleon (GameCube Prototype)
- Game Room (Aug 10, 2010 prototype)
- Game Room (Mar 5, 2010 03.17 prototype)
- Game Room (Mar 5, 2010 03.20 prototype)
- Game Room (Oct 14, 2010 prototype)
- Game name (Apr 20, 1990 prototype)
- Gauntlet (Nintendo DS demo)
- Gauntlet (Unknown prototype)
- Gears of War (Jan 22, 2006 prototype)
- Gears of War (Sep 6, 2006 prototype)
- Gears of War 2 (Apr 29, 2008 prototype)
- Gears of War 2 (Apr 29, 2010 TU6 prototype)
- Gears of War 2 (Apr 4, 2008 prototype)
- Gears of War 2 (DLC Combustible Multiplayer Map Pack prototype)
- Gears of War 2 (Dec 2, 2008 2 Test DLCs + DLC Combustible Multiplayer Map Pack prototype)
- Gears of War 2 (Feb 20, 2009 DLC Snowblind Map Pack prototype)
- Gears of War 2 (Jan 6, 2009 TU2 prototype)
- Gears of War 2 (Mar 4, 2009 TU3 prototype)
- Gears of War 2 (Nov 21, 2008 TU1 prototype)
- Gears of War 2 (Sep 14, 2008 prototype)
- Gears of War 2 (Sep 23, 2008 DLC Flashback Multiplayer Pack prototype)
- Gears of War 2 (Sep 23, 2008 DLC Gold-Plated Hammerburst Assault Riffle prototype)
- Gears of War 2 (Sep 23, 2008 DLC Gold-Plated Lancer Assault Rifle prototype)
- Gears of War 3 (Apr 22, 2011 prototype)
- Gears of War 3 (Apr 8, 2010 prototype)
- Gears of War 3 (Apr 8, 2011 prototype)
- Gears of War 3 (Jan 10, 2011 prototype)
- Gears of War 3 (Jan 11, 2011 prototype)
- Gears of War 3 (Jan 12, 2011 prototype)
- Gears of War 3 (Jan 20, 2011 prototype)
- Gears of War 3 (Jan 24, 2011 PC prototype)
- Gears of War 3 (Jan 24, 2011 PS3 prototype)
- Gears of War 3 (Jan 24, 2011 Xbox 360 prototype)
- Gears of War 3 (Jan 8, 2011 prototype)
- Gears of War 3 (Jun 1, 2011 prototype)
- Gears of War 3 (Jun 29, 2011 prototype)
- Gears of War 3 (Jun 3, 2010 E3 prototype)
- Gears of War 3 (Jun 30, 2011 prototype)
- Gears of War 3 (Mar 2, 2011 prototype)
- Gears of War 3 (Mar 20, 2011 prototype)
- Gears of War 3 (May 11, 2011 prototype)
- Gears of War 3 (May 14, 2010 prototype)
- Gears of War 3 (May 19, 2011 prototype)
- Gears of War 3 (May 8, 2011 prototype)
- Gears of War 3 (Nov 22, 2011 prototype)
- Gears of War 3 (Nov 24, 2010 prototype)
- Gears of War 3 (Sep 14, 2011 prototype)
- Generator Rex: Agent of Providence (Feb 28, 2012 prototype)
- Generator Rex: Agent of Providence (Mar 25, 2012 prototype)
- Generator Rex: Agent of Providence (Sep 1, 2011 prototype)
- Geometry Wars: Retro Evolved (Unknow prototype)
- Ghosthunter (Aug 22, 2003 prototype)
- Glimmerati (Apr 20, 2005 prototype)
- Glimmerati (May 10, 2005 prototype)
- Glover (Oct 26, 1999 Prototype)
- Go (Jul 22, 2009 prototype)
- Goal! (prototype)
- Goblin Commander: Unleash the Horde (Sep 26, 2003 prototype)
- Golden Axe: Beast Rider (Aug 20, 2008 prototype)
- Golden Oldies 2: Blockbuster and Bughunt (Apr 26, 1996 prototype)
- GoldenEye 007 (Nov 16, 2007 prototype)
- GoldenEye 007: Reloaded (Aug 26, 2011 prototype)
- GoldenEye 007: Reloaded (Jul 15, 2011 prototype)
- Golf: Tee It Up! (Mar 19, 2008 prototype)
- Golf: Tee It Up! (May 9, 2008 prototype)
- Grabbed by the Ghoulies (Aug 26, 2003 prototype)
- Gran Turismo 6 (Aug 20, 2013 prototype)
- Grand Theft Auto (PlayStation prototype)
- Grand Theft Auto: Chinatown Wars (US 1.0 prototype)
- Grand Theft Auto: London 1969 (Apr 11, 1999 prototype)
- Gravity Crash (Oct 6, 2009 prototype)
- Greg Hastings Paintball 2 (Aug 23, 2010 prototype)
- Greg Hastings Paintball 2 (Feb 10, 2011 prototype)
- Greg Hastings Paintball 2 (Nov 12, 2010 prototype)
- Greg Hastings Paintball 2 (Sep 8, 2010 prototype)
- Greg Hastings Tournament Paintball (Mar 25, 2005 prototype)
- Greg Hastings Tournament Paintball 2 (Sep 15, 2005 prototype)
- Guacamelee! (Mar 6, 2013 prototype)
- Guardians of Middle-earth (Sep 5, 2012 prototype)
- Guilty Gear 2: Overture (DLC New Costume "Ex. Sol" prototype)
- Guilty Gear 2: Overture (DLC New Master "Raven" prototype)
- Guilty Gear 2: Overture (DLC New Stage "Holy Knight's Fortress" prototype)
- Guilty Gear 2: Overture (Oct 23, 2007 Prototype)
- Guitar Hero 5 (Jun 24, 2009 prototype)
- Guitar Hero II (Nov, 2006 prototype)
- Guitar Hero III: Legends of Rock (Aug 28, 2007 prototype)
- Guitar Hero III: Legends of Rock (May 2, 2007 prototype)
- Guitar Hero World Tour (Aug 29, 2008 prototype)
- Guitar Hero World Tour (DLC Guitar Duel Track Pack prototype)
- Guitar Hero World Tour (DLC Oasis Track Pack prototype)
- Gun (Apr 7, 2004 prototype)
- Gun (Aug 31, 2005 prototype)
- Gun Loco (Sep 13, 2010 prototype)
- Guwange (Aug 23, 2010 prototype)
- Gyruss (Mar 16, 2007 prototype)
H
- Half-Life (Dec 16, 1997 prototype)
- Half-Life (Oct 25, 1997 prototype)
- Half-Life (Sep 1, 1998 demo)
- Half-Life (Sep 18, 1998 demo)
- Half-Life 2 (Nov 10, 2005 demo)
- Halo 2 (Apr 9, 2007 prototype)
- Halo 2 (Jun 28, 2004 prototype)
- Halo 3 (Aug 10, 2007 Prototype)
- Halo 3 (Aug 2, 2007 prototype)
- Halo 3 (Aug 20, 2007 Prototype)
- Halo 3 (Mar 10, 2007 prototype)
- Halo 3 (Mar 11, 2007 prototype)
- Halo 3 (Mar 7, 2007 prototype)
- Halo 3 (Mar 8, 2007 22.42 prototype)
- Halo 3 (Mar 8, 2007 prototype)
- Halo 3 (Mar 9, 2007 prototype)
- Halo 3 (May 1, 2007 Multiplayer Prototype)
- Halo 3 (Nov 17, 2006 prototype)
- Halo 3 (Sep 6, 2008 prototype)
- Halo 4 (Aug 19, 2012 Prototype)
- Halo 4 (Aug 22, 2011 prototype)
- Halo 4 (Aug 25, 2012 DLC Test 1 prototype)
- Halo 4 (Aug 25, 2012 DLC Test 2 prototype)
- Halo 4 (Aug 25, 2012 DLC Test 3 prototype)
- Halo 4 (Dec 21, 2011 prototype)
- Halo 4 (Jan 14, 2013 prototype)
- Halo 4 (Nov 15, 2011 prototype)
H cont.
- Halo 4 (Oct 12, 2011 prototype)
- Halo 4 (Oct 14, 2011 prototype)
- Halo 4 (Oct 20, 2011 prototype)
- Halo 4 (Oct 4, 2011 prototype)
- Halo 4 (Oct 5, 2011 prototype)
- Halo 4 (Sep 19, 2011 prototype)
- Halo 4 (Sep 28, 2011 prototype)
- Halo Online (Apr 10, 2015 prototype)
- Halo Online (Apr 17, 2015 prototype)
- Halo Online (Apr 21, 2015 prototype)
- Halo Online (Aug 1, 2015 prototype)
- Halo Online (Aug 19, 2015 prototype)
- Halo Online (Aug 27, 2015 prototype)
- Halo Online (Aug 7, 2015 prototype)
- Halo Online (Jul 15, 2015 prototype)
- Halo Online (Jun 13, 2015 prototype)
- Halo Online (Jun 29, 2015 prototype)
- Halo Online (Mar 20, 2015 prototype)
- Halo Online (May 19, 2015 prototype)
- Halo Online (Nov 24, 2015 prototype)
- Halo Online (Oct 1, 2015 prototype)
- Halo Online (Oct 15, 2015 prototype)
- Halo Online (Sep 16, 2015 prototype)
- Halo Online (Sep 17, 2015 prototype)
- Halo Online (Sep 25, 2015 prototype)
- Halo Online (Sep 3, 2015 prototype)
- Halo Online (Unknown A prototype)
- Halo Online (Unknown B prototype)
- Halo Online (Unknown C prototype)
- Halo Online (Unknown D prototype)
- Halo Wars (DLC 1 TEMP TEXT prototype)
- Halo Wars (Dec 12, 2008 Prototype)
- Halo Wars (Feb 21, 2008 Prototype)
- Halo Wars (Nov 6, 2008 Prototype)
- Halo Wars 2 (Dec 20, 2016 prototype)
- Halo Wars 2 (Jan 5, 2017 prototype)
- Halo: Combat Evolved (Aug 6, 2003 prototype)
- Halo: Combat Evolved (Feb 25, 2002 prototype)
- Halo: Combat Evolved (Sep 26, 2001 prototype)
- Halo: Combat Evolved (Sep 30, 2003 prototype)
- Halo: Reach (Apr 7, 2010 prototype)
- Halo: Reach (Apr 9, 2010 Multiplayer Prototype)
- Halo: Reach (Jul 24, 2010 prototype)
- Halo: Reach (Jul 7, 2011 prototype)
- Halo: Reach (Jun 13, 2011 prototype)
- Halo: Reach (Oct 25, 2010 prototype)
- Halo: Spartan Strike (Nov 14, 2014 prototype)
- Hard Corps: Uprising (Apr 28, 2010 prototype)
- Hard Corps: Uprising (Dec 1, 2010 prototype)
- Hardwood Hearts (Oct 28, 2008 prototype)
- Hardwood Hearts (Oct 6, 2006 prototype)
- Hardwood Spades (Unknown prototype)
- Harry Potter and the Deathly Hallows: Part 2 (Mar 21, 2011 prototype)
- Harry Potter and the Order of the Phoenix (May 22, 2007 prototype)
- Harry Potter for Kinect (Aug 10, 2012 prototype)
- Harry Potter for Kinect (Aug 11, 2012 prototype)
- Harry Potter for Kinect (Aug 14, 2012 prototype)
- Harry Potter for Kinect (Aug 15, 2012 prototype)
- Harry Potter for Kinect (Aug 20, 2012 prototype)
- Harry Potter for Kinect (Aug 3, 2012 prototype)
- Harry Potter for Kinect (Feb 10, 2012 prototype)
- Harry Potter for Kinect (Jan 17, 2012 prototype)
- Harry Potter for Kinect (Jan 23, 2012 prototype)
- Harry Potter for Kinect (Jan 24, 2012 prototype)
- Harry Potter for Kinect (Jul 17, 2012 prototype)
- Harry Potter for Kinect (Jul 30, 2012 prototype)
- Harry Potter for Kinect (Jul 6, 2011 prototype)
- Harry Potter for Kinect (Jun 11, 2012 prototype)
- Harry Potter for Kinect (Oct 10, 2012 prototype)
- Harry Potter for Kinect (Oct 9, 2012 prototype)
- Harry Potter for Kinect (Sep 12, 2011 prototype)
- Harry Potter for Kinect (Sep 9, 2011 prototype)
- Hasbro Family Game Night (Jul 14, 2009 prototype)
- Haze (Apr 16, 2008 prototype)
- Haze (May 12, 2008 prototype)
- Haze (Sep 19, 2007 prototype)
- Heat.net (Apr 21, 1997 prototype)
- Heavenly Sword (Jul 11, 2007 prototype)
- Hero (Nov 4, 2011 prototype)
- Hero (Oct 11, 2011 prototype)
- Heroes Over Europe (Jul 8, 2009 prototype)
- Heroes of Might and Magic V (Oct 5, 2005 prototype)
- Hexen (Sep 27, 1994 prototype)
- Hidden Photo (Apr 13, 2011 prototype)
- Hieperdepiep ik lees (Mar 16, 1996 prototype)
- High Seize (Jul 8, 2005 prototype)
- Hit & Myth (Prototype)
- Hitman 2: Silent Assassin (Jul 16, 2002 prototype)
- Hitman: Absolution (Aug 27, 2012 prototype)
- Hitman: Absolution (E3)
- Hitman: Blood Money (Apr 11, 2006 prototype)
- Hitman: Blood Money (Apr 12, 2006 prototype)
- Hole in the Wall (Jun 23, 2011 prototype)
- Hole in the Wall (Mar 16, 2011 prototype)
- Homefront (Dec 16, 2010 prototype)
- Homefront (Jan 10, 2011 Multiplayer Prototype)
- Homefront (Jan 17, 2011 prototype)
- Homefront (Jan 19, 2011 prototype)
- Homefront (Jun 2, 2011 Prototype)
- Homefront (Mar 22, 2011 prototype)
- Homefront (Mar 25, 2011 prototype)
- Homefront (May 20, 2011 Multiplayer Prototype)
- Homefront (May 25, 2011 Prototype)
- Homefront (Nov 26, 2010 prototype)
- Homefront 2 (Aug 6, 2013 prototype)
- Homefront 2 (Dec 8, 2011 prototype)
- Homefront 2 (Feb 20, 2012 Prototype)
- Homefront 2 (Jan 16, 2012 Prototype)
- Homefront 2 (Jan 17, 2013 prototype)
- Homefront 2 (Jan 29, 2013 prototype)
- Homefront 2 (Jul 30, 2013 prototype)
- Homefront 2 (Jun 3, 2013 prototype)
- Homefront 2 (Mar 8, 2013 prototype)
- Homefront 2 (Nov 14, 2012 prototype)
- Homefront 2 (Nov 15, 2012 00.15 prototype)
- Homefront 2 (Nov 15, 2012 12.22 prototype)
- Homefront 2 (Nov 21, 2012 prototype)
- Homefront 2 (Nov 27, 2012 prototype)
- Homefront 2 (Nov 28, 2011 prototype)
- Homefront 2 (Sep 10, 2012 prototype)
- Homefront 2 (Sep 23, 2012 prototype)
- Homefront 2 (Sep 26, 2012 prototype)
- Hondenliefde (Feb 1, 1995 prototype)
- Hot Wheels: Stunt Track Challenge (September 29, 2004 prototype)
- Hotline Miami 2: Wrong Number (E3 2013 prototype)
- Hunter: The Reckoning (May 2, 2002 prototype)
- Hybrid (Apr 8, 2012 Multiplayer Prototype)
- Hydrophobia (Nov 25, 2009 prototype)
I
- IMSA Racing (Prototype)
- ISS Pro Evolution (Nov 11, 1999 prototype)
- Ian Livingstone's Deathtrap Dungeon (May 12, 1998 prototype)
- Ice Age 3: Dawn of the Dinosaurs (Apr 9, 2009 prototype)
- Ico (Nov 17, 2001 prototype)
- Ikaruga (Jan 24, 2007 prototype)
- Ilomilo (Jul 16, 2010 prototype)
- Import Tuner Challenge (Aug 7, 2006 prototype)
- InFamous (May 5, 2009 prototype)
- InFamous 2 (UGC Beta EU)
- Incubation: Time Is Running Out (Sep 16, 1997 prototype)
- Injustice: Gods Among Us (Mar 7, 2013 prototype)
- International Tennis Open (Apr 30, 1993 prototype)
- International Track & Field 2000 (40% prototype)
J
- JVC CD-ROM Emulator System
- Jade Empire (Mar 2, 2005 prototype)
- Jam Party (Feb 1, 2012 prototype)
- James Cameron's Avatar: The Game (Oct 29, 2009 prototype)
- Jeremy McGrath Supercross World (Nov 15, 2001 prototype)
- Jeremy McGrath Supercross World (Nov 19, 2001 prototype)
- Jet Li: Rise to Honor (Sep 15, 2003 prototype)
- Jewel Quest (Unknown prototype)
- Joe Guard (prototype)
- Joy Ride Turbo (Apr 17, 2012 prototype)
- Joy Ride Turbo (Apr 5, 2012 prototype)
- Joy Ride Turbo (Feb 20, 2012 prototype)
- Joy Ride Turbo (Jul 24, 2012 prototype)
- Joy Ride Turbo (Jul 26, 2012 01.36 prototype)
- Joy Ride Turbo (Jul 26, 2012 21.22 prototype)
- Joy Ride Turbo (Jul 26, 2012 prototype)
- Joy Ride Turbo (Jul 27, 2012 18.15 prototype)
- Joy Ride Turbo (Jul 27, 2012 23.35 prototype)
- Joy Ride Turbo (Jul 27, 2012 prototype)
- Joy Ride Turbo (Mar 22, 2012 prototype)
- Joy Ride Turbo (Mar 23, 2012 prototype)
- Joy Ride Turbo (Mar 29, 2012 prototype)
- Joy Ride Turbo (Mar 30, 2012 prototype)
- Juiced 2: Hot Import Nights (Aug 1, 2007 prototype)
- Juiced 2: Hot Import Nights (Aug 10, 2007 prototype)
J cont.
- Juiced 2: Hot Import Nights (Aug 7, 2007 prototype)
- Juiced 2: Hot Import Nights (May 30, 2007 Prototype)
- Juiced 2: Hot Import Nights (May 31, 2007 prototype)
- Juiced 2: Hot Import Nights (Sep 1, 2005 prototype)
- Jump (Prototype)
K
- KISS Psycho Circus: The Nightmare Child (Nov 28, 2000 prototype)
- KISS Psycho Circus: The Nightmare Child (Nov 3, 2000 prototype)
- KOF: Maximum Impact (Nov 1, 2004 prototype)
- Kameo: Elements of Power (Aug 24, 2005 prototype)
- Kameo: Elements of Power (Oct 26, 2005 demo)
- Kill.switch (Aug 21, 2003 15.16 prototype)
- Kill.switch (Aug 21, 2003 22.14 prototype)
- Kill.switch (May 12, 2003 prototype)
- Kill.switch (May 13, 2003 prototype)
- Kill.switch (Sep 7, 2003 prototype)
- Killzone 2 (Unknown Multiplayer Beta EU)
- Kinect Horror Show (Nov 16, 2010 prototype)
- Kinect Nat Geo TV (Aug 24, 2012 prototype)
- Kinect Nat Geo TV (Dec 14, 2012 prototype)
- Kinect Nat Geo TV (Feb 3, 2012 prototype)
- Kinect Nat Geo TV (Jan 16, 2012 prototype)
- Kinect Nat Geo TV (Jan 17, 2012 prototype)
- Kinect Nat Geo TV (Jan 20, 2012 prototype)
- Kinect Nat Geo TV (Jan 26, 2012 prototype)
- Kinect Nat Geo TV (Jan 30, 2012 prototype)
- Kinect Nat Geo TV (Mar 2, 2012 17.36 prototype)
- Kinect Nat Geo TV (Mar 2, 2012 9.07 prototype)
- Kinect Nat Geo TV (Nov 29, 2011 prototype)
- Kinect Sesame Street TV (May 18, 2012 prototype)
- King Of Fighters Extreme (Dec 5, 2004 prototype)
- Kingdom II: Shadoan (Jun 11, 1996 prototype)
- Kingdom Under Fire: The Crusaders (Feb 18, 2003 prototype)
- Kingdom Under Fire: The Crusaders (Mar 14, 2003 prototype)
- Kingdom: The Far Reaches (Dec 22, 1994 prototype)
- Kung Fu Chaos (Dec 14, 2002 prototype)
- Kung Fu Panda: Showdown of Legendary Legends (Trial)
- Kung Fu Rider (2010 prototype)
- Kung Fu Strike: The Warrior's Rise (Jul 22, 2009 prototype)
- Kyojin no Doshin (Demo)
L
- LEGO Rock Band (Sep 25, 2009 prototype)
- LEGO Super Soccer Adventure (Apr 24, 2003 prototype)
- LEGO Super Soccer Adventure (Mar 27, 2003 prototype)
- Lander (Feb 22, 1999 prototype)
- Lara Croft and the Guardian of Light (Jun 25, 2010 prototype)
- Lazy Raiders (Jan 7, 2010 prototype)
- Legendary (Aug 17, 2008 prototype)
- Legends of Might and Magic (Apr 18, 2001 demo)
- Leisure Suit Larry: Magna Cum Laude (Jul 31, 2004 prototype)
- Lenguins (June 2004 prototype)
- Les Guignols de l'info (May 22, 1996 prototype)
- Les Maîtres de la peinture hollandaise au 17ème siècle (Apr 9, 1993 prototype)
- Liath: WorldSpiral (Jul 6, 1998 prototype)
- Libero Grande International (Jan 4, 2001 prototype)
- Lichdom: Battlemage (Jun 28, 2011 prototype)
- Lingo (Dec 16, 1994 prototype)
- Lingo (Mar 7, 1995 prototype)
- Linux for PlayStation 2 (Apr 19, 2001 prototype)
- LittleBigPlanet 2 (Mar 7, 2011 prototype)
- LittleBigPlanet 3 (Aug 6, 2014 PS4 prototype)
- LittleBigPlanet PS Vita (Jul 31, 2012 prototype)
- Loadout (May 23, 2012 prototype)
- Loadstar: The Legend of Tully Bodine (Sep 14, 1994 prototype)
- Lock On: Modern Air Combat (Aug 28, 2003 prototype)
- London 2012: The Official Video Game of the Olympic Games (Mar 22, 2012 prototype)
- Lost Boys Interactive (Prototype)
- Lost Odyssey (Dec 13. 2007)
- Lost Odyssey (Jul 18, 2006 prototype)
- Lost Odyssey (Nov 17, 2007 prototype)
- Lost Planet 2 (Dec 10, 2009 Prototype)
- Lost Planet 2 (Jun 16, 2009 prototype)
- Loving for a Lifetime (Mar 7, 1995 prototype)
- Lucha Libre AAA Heroes del Ring (Jul 29, 2010 prototype)
- Lucky Luke: The Video Game (Jun 21, 1996 prototype)
- Luigi's Mansion (prototype)
- Luxor 2 (Feb 28, 2007 prototype)
M
- MLB 08: The Show (Feb 15, 2008 prototype)
- MTE Check Disc (Incomplete Utility Disc)
- MX vs. ATV Untamed (Sep 12, 2007 prototype)
- MX vs. ATV Untamed (Sep 28, 2007 Prototype)
- Mad Riders (Jan 6, 2012 Prototype)
- Madagascar 3: The Video Game (Mar 3, 2012 prototype)
- Madballs in Babo: Invasion (Apr 10, 2009 prototype)
- Madballs in Babo: Invasion (May 29, 2009 prototype)
- Madden NFL 08 (Jul 7, 2007 prototype)
- Madden NFL 10 (Jul 26, 2007 prototype)
- Madden NFL 11 (Jun 23, 2010 prototype)
- Madden NFL 2003 (Aug 3, 2002 prototype)
- Madden NFL 2003 (Jul 22, 2002 prototype)
- Mafia (Jul 31, 2002 demo)
- Mafia II (Aug 25, 2010 prototype)
- Mafia II (Jul 10, 2010 prototype)
- Mafia II (Jun 10, 2010 prototype)
- Mafia II (PS3 demo)
- MageWar (Nov 8, 2002 prototype)
- Magic & Mayhem: The Art of Magic (Sep 18, 2001 prototype)
- Magnetic Joe (Jan 12, 2011 prototype)
- Mail Plane (Prototype 1)
- Mail Plane (Prototype 2)
- Majin and the Forsaken Kingdom (Jul 8, 2010 prototype)
- Manhunt 2 (Feb 5, 2007 prototype)
- Marco Polo (May 2, 1995 prototype)
- Mario Kart 7 (E3 2011 kiosk demo)
- Marlow Briggs and the Mask of Death (Jun 10, 2013 prototype)
- Marvel Avengers: Battle for Earth (Sep 13, 2012 prototype)
- Marvel vs. Capcom 3: Fate of Two Worlds (May 30, 2011 prototype)
- Marvel: Ultimate Alliance (DLC Playable Character Pack prototype)
- Mass Effect 2 (Dec 16, 2009 prototype)
- Mass Effect 2 (Sep 10, 2010 prototype)
- Mass Effect 3 (Jan 18, 2012 prototype)
- Mat Hoffman's Pro BMX 2 (Oct 29, 2002 prototype)
- Max Magic (Aug 18, 1994 prototype)
- Max Payne (Feb 19, 2002 prototype)
- Max Payne 2: The Fall of Max Payne (Nov 4, 2003 prototype)
- Max Power Racing (Nov 12, 1998 prototype)
- Max: The Curse of Brotherhood (Jun 11, 2013 prototype)
- Max: The Curse of Brotherhood (Jun 6, 2013 Prototype)
- MechAssault 2: LoneWolf (Oct 11, 2004 prototype)
- Medal of Honor (Jul 13, 2010 Multiplayer Prototype)
- Medal of Honor (May 20, 2010 prototype)
- Medal of Honor (Sep 14, 2010 prototype)
- Medal of Honor: Airborne (Aug 12, 2007 prototype)
- Medal of Honor: Rising Sun (Oct 8, 2003 prototype)
- Mega Maze (Sep 13, 1993 prototype)
- Merv Griffin's Crosswords (May 15, 2008 prototype)
- Metal Gear Rising: Revengeance (Oct 23, 2012 Demo)
- Metal Gear Rising: Revengeance (Sep 24, 2012 prototype)
- Metal Gear Solid: Peace Walker (Dec 16, 2009 demo)
- Metal Gear Solid: Portable Ops (demo)
- Metal Slug 3 (Unknow prototype)
- Metal Slug XX (Dec 15, 2009 prototype)
- Metal Slug XX (Feb 10, 2010 prototype)
- Metal Wolf Chaos (Debug Executables prototype)
- Metro 2033 (May 10, 2006 prototype)
- Metro: Last Light (Oct 15, 2012 prototype)
- Metropolis Crimes (Sep 21, 2009 prototype)
- Metropolis Crimes (Sep 28, 2009 prototype)
- Mickey's Blast Into the Past (Jun 8, 1994 prototype)
- Micro Machines (Mar 21, 1995 prototype)
- Midnight Club: Street Racing (Jul 25, 2000 prototype)
- Mighty No. 9 (Jun 14, 2015 prototype)
- Mile High Pinball (Jul 8, 2005 prototype)
- Mind Quest (Aug 3, 1993 prototype)
- MindRover: The Europa Project (Aug 23, 1999 prototype)
- Minecraft (February 3, 2010 prototype)
- Minecraft (January 11, 2010 prototype)
- Minecraft (June 27, 2010 prototype)
- Minecraft (June 28, 2010 & June 30, 2010 prototype)
- Minecraft (May 28, 2009 prototype)
- Minecraft (October 24, 2009 prototype)
- Mirror's Edge (Feb 7, 2008 prototype)
- Mirror's Edge (Sep 29, 2008 prototype)
- Mob Rule (Jun 17, 1999 prototype)
- ModNation Racers (Apr 6, 2010 prototype)
- ModNation Racers (Feb 28, 2010 prototype)
- ModNation Racers (May 2, 2010 prototype)
- Monday Night Combat (Aug 18, 2010 prototype)
- Monday Night Combat (Aug 20, 2010 prototype)
- Monday Night Combat (Aug 25, 2010 prototype)
- Monday Night Combat (Aug 3, 2010 prototype)
- Monday Night Combat (Aug 31, 2010 prototype)
- Monday Night Combat (May 10, 2011 prototype)
- Monday Night Combat (Nov 16, 2010 prototype)
- Monday Night Combat (Sep 1, 2010 prototype)
- Mong (Oct 23, 2009 prototype)
- Monster High Skultimate Roller Maze (prototype)
- Monster Madness: Battle for Suburbia (Mar 13, 2007 Prototype)