| Later (demo) | Commodore 64 | LATER PRV. -AGY.PRG | Agony Design | | PL 1995
|
| Leisure Suit Larry: Magna Cum Laude (Jul 31, 2004 prototype) | Xbox | {{{origin_files}}} | LIGHTFORCE | | US Oct 5, 2004 EU Nov 5, 2004
|
| Liberator (Chromance prototype) | Commodore 64 | {{{origin_files}}} | Chromance Coderz | | |
| Lightphaser Archery (prototype) | Commodore 64 | {{{origin_files}}} | The Ruling Company SUCCESS | | |
| Linking Leroy Visits LEGOLAND (prototype A) | Commodore 64 | G├🭸🭸🭸🭸🭸🭸🭸🭸🭸🭸🭸🭸┤.PRG | FAIRLIGHT | | |
| Linking Leroy Visits LEGOLAND (prototype B) | Commodore 64 | LLEROY-.D64 | F4CG | | |
| Links 386 Pro (Jun 16, 1992 prototype) | PC | LINKS3 | FAIRLIGHT | | US 1992
|
| Little Magic (Japan Prototype) | SNES | PDX-LMAG.LZH | PARADOX | | JP Dec 24, 1993 EU Unreleased
|
| Loopz (Nov 5, 1992 prototype) | Atari Lynx | OS-LOOPZ | OLDSKOOL | | |
| Lord MC Sun (prototype) | Commodore 64 | {{{origin_files}}} | Avantgarde | | |
| Lotus II: RECS (Prototype) | Sega Mega Drive | PR-LOTU2.LZH | PREMIERE | | US Dec 1993 EU 1994
|
| Marko's Magic Football (May 2, 1994 prototype) | Sega Mega Drive | PR-MARKO.LZH | PREMIERE | | US Sep 1994 EU Jul 1994
|
| Marlboro Go! (English build) | Atari Lynx | OS-MARGO | OLDSKOOL | | |
| Mashed: Drive to Survive (May 7, 2004 02.48 prototype) | PlayStation 2 | u-mashp | TEAM USA | | EU Jun 18, 2004
|
| Mashed: Drive to Survive (May 7, 2004 prototype) | Xbox | cfn-mash | ConFuSiON | | EU Jun 18, 2004
|
| Matrix (Commodore 64 prototype) | Commodore 64 | {{{origin_files}}} | RSI | | |
| Maximo: Ghosts to Glory (Nov 4, 2001 prototype) | PlayStation 2 | kal-maxi | KALISTO | | JP Dec 27, 2001 EU Jan 16, 2002 US Feb 11, 2002
|
| McDonald's Treasure Land Adventure (Prototype) | Sega Mega Drive | MCDONALD.LZH | INDEPENDENT | | JP Sep 23, 1993 US Dec 1993 EU Mar 1994
|
| MegaBrain (prototype A) | Commodore 64 | {{{origin_files}}} | Chromance | | WW 1997
|
| MegaBrain (prototype B) | Commodore 64 | {{{origin_files}}} | Chromance | | WW 1997
|
| Mickey Mania: The Timeless Adventures of Mickey Mouse (Jul 1994 prototype) | Sega Mega Drive | SNK-MICK.LZH | SNEAKERS | | US Nov 1994 EU Oct 1, 1994
|
| Mickey's Playtown Adventure: A Day Of Discovery! (Prototype) | SNES | NPM-MPHA.LZH | NAPALM | | |
| Microsoft Arcade (Aug 3, 1993 prototype) | PC | M-ARCADE.ZIP | SCOTCH | | US Aug 1993
|
| Microsoft Arcade (Jul 9, 1993 prototype) | PC | MSARCADE.ZIP | | | US Aug 1993
|
| Microsoft Space Simulator (Mar 29, 1994 prototype) | PC | SC-SSIM | SCOTCH | | US 1994
|
| Might and Magic III: Isles of Terra (Prototype) | SNES | MM3.LZH | PARALYSIS | | US Jan 1995
|
| Mortal Kombat (Nov 29, 1993 prototype) | PC | EDGEMKF | Edge | | US N/A
|
| Mortal Kombat (Nov 9, 1993 prototype) | PC | EDGE-MK | Edge | | US N/A
|
| Mortal Kombat 3 (Aug 1, 1995 prototype) | SNES | SNK-MK3.LZH | SNEAKERS | | US Oct 13, 1995 EU 1995
|
| Mortal Kombat 3 (NAPALM prototype) | SNES | NPM-MK3.LZH | NAPALM | | US Oct 13, 1995 EU 1995
|
| Mortal Kombat II (SNES Prototype) | SNES | ATX-MK2.LZH | ANTHROX | | US Sep 9, 1994 JP Nov 11, 1994 EU Oct 1994
|
| Mortal Kombat: Deception (Aug 29, 2004 Xbox prototype) | Xbox | eps-mkd | EPSYLON | | US Oct 4, 2004 EU Nov 19, 2004
|
| Mortyr 2093-1944 (Apr 14, 1999 prototype) | PC | {{{origin_files}}} | TRSi | | EU Aug 30, 1999 US Dec 31, 1999 UK May 4, 2001
|
| MotoGP (Game Boy Advance prototype) | Game Boy Advance | pcx-moto | Paracox | | EU Feb 15, 2002 US Mar 4, 2002
|
| MotoGP 2 (Aug 30, 2001 prototype) | PlayStation 2 | spqrmgp2 | SPQR | | JP Dec 20, 2001 EU Dec 21, 2001 US Jan 22, 2002
|
| MotoGP 4 (Mar 23, 2005 prototype) | PlayStation 2 | mgp4-ggs | GGS | | JP Sep 15, 2005 US Jun 20, 2006 EU May 27, 2005
|
| Mount and Blade (Dec 20, 2006 prototype) | PC | NS-M&BCN | NETSHOW | | US Sep 16, 2008 EU Sep 19, 2008
|
| Muhammad Ali Heavyweight Boxing (SNES Prototype) | SNES | ACC-ALI.LZH | Accumulators | | |
| NASCAR Racing (Aug 12, 1994 prototype) | PC | | $yndicate | | US 1994
|
| NASCAR Racing (Jun 28, 1994 prototype) | PC | FRM-NAS | FIRM | | US 1994
|
| NBA Jam (SNES prototype A) | SNES | RMK-NBAJ.LZH | Romkids | | US Mar 1994 JP Apr 29, 1994 EU Mar 10, 1996
|
| NBA Jam: Tournament Edition (SNES Prototype) | SNES | PDX-NBJT.LZH | PARADOX | | US Feb 23, 1995 EU May 23, 1995 JP Feb 24, 1995
|
| NBA Street Vol. 2 (Mar 7, 2003 prototype) | PlayStation 2 | s-nbasv2 | STRiKE | | JP May 1, 2003 EU May 2, 2003 US Apr 28, 2003 KR Apr 24, 2003
|
| NCAA Basketball (Prototype) | SNES | HS-NCAA.LHA | HiGH SOCiETY | | JP Jun 19, 1992 US Oct 1992 EU Jul 22, 1993
|
| NFL Quarterback Club 2002 (Aug 11, 2001 prototype) | PlayStation 2 | kal-qb22 | KALISTO | | EU Aug 24, 2001 US Sep 7, 2001
|
| NHL 2002 (Jul 19, 2001 prototype) | PlayStation 2 | ztx-nhl22 | ( Z T X ) | | JP N/A EU Oct 19, 2001 US Sep 25, 2001
|
| NHL Hockey (Aug 4, 1993 prototype) | PC | | | | US 1993 EU 1993
|
| Need for Speed 2 (Apr 1, 1997 prototype) | PC | {{{origin_files}}} | REFLUX | | US Apr 18, 1997 EU 1997
|
| Nickelodeon Rocket Power: Beach Bandits (V0.14 prototype) | Game Boy Advance | asg-rpbb.zip | Asgard | | US Sep 25, 2002 EU Oct 3, 2002
|
| Ninja Gaiden (Mega Drive Prototype) | Sega Mega Drive | NJGAIDEN.LZH | INDEPENDENT | | |
| Nodule (prototype) | Commodore 64 | {{{origin_files}}} | Fatum | | |
| Norse by Norsewest: The Return of the Lost Vikings (Jan 15, 1997 prototype) | PC | {{{origin_files}}} | RLX | | US Apr 20, 1997 EU 1997
|
| Oddworld: Stranger's Wrath (Dec 3, 2004 prototype) | Xbox | dnl-osw | TEAM DNL | | US Jan 25, 2005 EU Mar 3, 2005
|
| Ooops Up (Commodore 64 prototype) | Commodore 64 | OUPV!HIT.D64 | HITMEN | | |
| Oops! (Proton-Run prototype) | Commodore 64 | {{{origin_files}}} | IKARI | | EU 1988
|
| Orcus (Prototype A) | Commodore 64 | {{{origin_files}}} | Doughnut Cracking Service | | |
| Orcus (Prototype B) | Commodore 64 | {{{origin_files}}} | Doughnut Cracking Service Fantasy | | |
| Orcus (Prototype C) | Commodore 64 | {{{origin_files}}} | Doughnut Cracking Service | | |
| Out of this World (Jan 2, 1993 prototype) | Sega Mega Drive | CEN-OUTW.LZH | CENSOR | | US Mar 1993 EU 1993 AU 1993
|
| OutRun 2019 (November 1992 prototype) | Sega Mega Drive | FLT-OUT.LZH | FAIRLIGHT | | US Mar 1993 JP Mar 26, 1993 EU Apr 1993
|
| Painkiller (Nov 19, 2003 prototype) | PC | {{{origin_files}}} | SPANKiNG | | NA Apr 12, 2004 PAL Apr 15, 2004
|
| Painkiller: Hell Wars (Oct 18, 2005 prototype) | Xbox | ggs-pkhw | GGS | | US Jul 24, 2006 EU Jul 7, 2006
|
| Paranoid (Commodore 64 prototype A) | Commodore 64 | {{{origin_files}}} | The Ruling Company SUCCESS | | |
| Paranoid (Commodore 64 prototype B) | Commodore 64 | {{{origin_files}}} | Paradize | | |
| Perfect Ace 2: The Championships (Apr 8, 2005 prototype) | PlayStation 2 | dev-pa2 | DEVOTiONS | | EU Jul 15, 2005
|
| Perplexity (Commodore 64 prototype) | Commodore 64 | {{{origin_files}}} | SUCCESS | | |
| Pilot Down: Behind Enemy Lines (Feb 28, 2005 prototype) | PlayStation 2 | dev-pd | DEVOTiONS | | EU Sep 9, 2005
|
| Pitfall: The Mayan Adventure (SNES prototype) | SNES | ILS-PIT.LZH | Illusion | | JP Jul 14th, 1995 US Nov 1994
|
| Planets of Death (prototype) | Commodore 64 | POD_prv-GP.d64 (new) | Genesis Project | | |
| Plotting (Commodore 64 prototype) | Commodore 64 | PLOTTING.D64 | Electric Boyz | | |
| Pluff (prototype) | Commodore 64 | {{{origin_files}}} | F4CG | | PL 1996
|
| Pocket Kingdom: Own the World (May 1, 2004 prototype) | N-Gage | ENGPKB#.zip | ENGAGE | | US Nov 24, 2004 EU Nov 29, 2004
|
| Pocky & Rocky (Sample prototype) | SNES | RMK-P&R | Romkids | | JP Dec 22, 1992 US Jun 1993 EU Aug 19, 1993
|
| Pocky & Rocky 2 (Prototype) | SNES | FU-POCKY | FUCK | | JP Jun 17, 1994 US Nov 1994 EU Apr 1995
|
| Porky Pig's Haunted Holiday (Jan 26, 1995 prototype) | SNES | NPM-PORK | NAPALM | | US Oct 1995 EU 1995
|
| Postal (Jul 24, 1997 prototype) | PC | GRC-POST | Global Reach Couriering | | EU Sep 24, 1997 US Sep 24, 1997
|
| Power Drive (prototype) | SNES | SNK-PODR.LHA | SNEAKERS | | EU Nov 1994 US Unreleased
|
| Power Instinct (Prototype) | SNES | FU-POWER.LHA | FUCK | | US 1994 JP Oct 14th, 1994
|
| Prehistorik Man (Game Boy Advance Prototype) | Game Boy Advance | rpf-preh.zip | Rapid Fire | | US December 4th, 2001
|
| Primal Rage (Jul 17, 1995 prototype) | SNES | SWAT-PRS.LHZ | SWAT | | JP Aug 1995 US Nov 1995
|
| Prime (SNES prototype) | SNES | NPM-PASH.LZH | NAPALM | | |
| Prince of Persia (Mega Drive prototype A) | Sega Mega Drive | hbd-pers.lzh | HYBRID | | US Jan 1994 EU Apr 1994
|
| Prince of Persia (Mega Drive prototype B) | Sega Mega Drive | pr-princ.lzh | PREMIERE | | US Jan 1994 EU Apr 1994
|
| Prince of Persia: The Two Thrones (Oct 2, 2005 prototype) | Xbox | chw-ppt | CHaWiN | | US Dec 1, 2005 EU Dec 9, 2005
|
| Prince of Persia: Warrior Within (Oct 27, 2004 prototype) | PlayStation 2 | wpr-popw | WPR | | US Dec 2, 2004 EU Dec 3, 2004
|
| Privateer 2: The Darkening (Oct 14, 1996 prototype) | PC | PRIV2 | Razor 1911 | | US Dec 26, 1996 EU Dec 13, 1996
|
| Prizone (prototype) | Commodore 64 | {{{origin_files}}} | ONSLAUGHT | | |
| Pro Evolution Soccer (Aug 29, 2001 prototype) | PlayStation 2 | spqrpevs | SPQR | | JP Mar 15, 2001 EU Nov 23, 2001
|
| Pro Evolution Soccer 3 (Jul 29, 2003 prototype) | PlayStation 2 | lfc-pro3 | LIGHTFORCE | | JP Aug 7, 2003 US Oct 17, 2003 EU Feb 17, 2004
|
| Pro Evolution Soccer 4 (Aug 23, 2004 prototype) | Xbox | xpr-pes4r | ExPeRiEnCe | | US Feb 1, 2005 EU Nov 26, 2004
|
| Pro Evolution Soccer 5 (Sep 3, 2005 prototype) | Xbox | r-pes5 | RiOT | | US Feb 7, 2006 EU Oct 21, 2005
|
| Psi-Ops: The Mindgate Conspiracy (Jun 11, 2004 prototype) | Xbox | wrx-psiop | WAR3X | | US Jun 14, 2004 EU Oct 1, 2004
|
| R-Type (5-level prototype) | Commodore 64 | {{{origin_files}}} | ONSLAUGHT | | |
| R-Type (6-level prototype) | Commodore 64 | {{{origin_files}}} | Phoenix Conquest | | |
| R-Type III: The Third Lightning (Prototype) | SNES | SBT-RT3.LZH | SABOTAGE | | JP Dec 10, 1993 US Aug 2, 1994 EU 1994
|
| R.B.I. Baseball 4 (prototype) | Sega Mega Drive | {{{origin_files}}} | INDEPENDENT | | US Sep 1992 JP Dec 18, 1992
|
| R.I.S.K. (Early prototype A) | Commodore 64 | CHOPLIFTER II.PRG | Madonna Cracking Group | | EU Nov 1987
|
| RHI Roller Hockey '95 (Prototype) | SNES | snk-rh95.lzh | SNEAKERS | | |
| Radax (prototype) | Commodore 64 | {{{origin_files}}} | Hotline | | DE Jul 1990
|
| Radical Rex (ANTHROX prototype) | SNES | ATX-TREX.LZH | ANTHROX | | US Dec 1994 EU Nov 1994
|
| RalliSport Challenge 2 (Mar 17, 2004 prototype) | Xbox | cpx-rc2b | COMPLEX | | US May 4, 2004 EU May 21, 2004
|
| Rally: The Final Round of the World Rally Championship (Prototype) | SNES | SNK-RALY.LZH | SNEAKERS | | |
| Rapid Steel (prototype A) | Commodore 64 | RAPID STEEL/PRVW.PRG | Babygang | | |
| Rayman 3 (Nov 25, 2002 prototype - D) | Game Boy Advance | eur-r3hh.zip (original) rayman3 - 20021125d - Retail - EURO.bin (alternate) | Eurasia | | US Mar 4, 2003 EU Feb 21, 2003
|
| Rayman Advance (prototype) | Game Boy Advance | mnc-raya.zip | Menace | | US Jun 11, 2001 EU Jun 22, 2001
|
| Reactor II (Hardfire prototype) | Commodore 64 | {{{origin_files}}} | Avantgarde | | DE Dec 1994
|
| Rebel Raiders: Operation Nighthawk (Mar 18, 2005 prototype) | PlayStation 2 | dev-rebrd | DEVOTiONS | | US Mar 21, 2006 EU Mar 3, 2006
|
| Redics (prototype) | Commodore 64 | REDICS PRV. /<C>.PRG | Chromance | | |
| Reflect (demo) | Commodore 64 | {{{origin_files}}} | | | WW 1997
|
| Ren & Stimpy: Stimpy's Invention (Prototype) | Sega Mega Drive | PR-RENST.LZH | PREMIERE | | JP Unreleased US 1993 EU Mar 1994
|
| Return of the Lions (prototype) | Commodore 64 | {{{origin_files}}} | F4CG | | |
| Rise of the Robots (SNES Prototype) | SNES | SNK-RISE | SNEAKERS | | US Dec 1994 EU Jan 1995 JP Dec 1994
|
| Road Riot 4WD (Atari Lynx prototype A) | Atari Lynx | OS-RR4WD.LHA | OLDSKOOL | | |
| Road Runner's Death Valley Rally (Prototype) | SNES | ROADRUN | QUARTEX | | NA Nov 1992 JP Dec 22, 1992 EU Sep 30, 1993
|
| Roadwars (Revision prototype) | Commodore 64 | {{{origin_files}}} | FUSION | | EU Mar 1988 US Jun 1988
|
| Roadwars (prototype) | Commodore 64 | {{{origin_files}}} | LASER | | EU Mar 1988 US Jun 1988
|
| Robotech: Crystal Dreams (Aug 20, 1999 prototype) | Nintendo 64 | ROBOTECH_-_CRYSTAL_DREAMS_(v64) | INDEPENDENT | | |
| Rocky Rodent (European prototype) | SNES | PDX_ROCK.LZH | PARADOX | | JP Jul 30, 1993 US Sep 1993 EU Unreleased
|
| Roland Garros 2005: Powered by Smash Court Tennis (Mar 28, 2005 prototype) | PlayStation 2 | o-rg2k5 | ORGASM | | EU May 18, 2005
|
| Run Saber (LEGEND prototype) | SNES | L-RSAB.LHA | LEGEND | | US Jun 8, 1993 EU 1993
|
| SSX: Out Of Bounds (Dec 1, 2004 prototype) | N-Gage | enssxbt#.zip | ENGAGE | | EU Jan 21, 2005 US Jan 24, 2005
|
| Saint Seiya: The Hades (Aug 1, 2006 prototype) | PlayStation 2 | all-ssth | Allstars | | EU Sep 29, 2006 JP Feb 1, 2007
|
| Samurai Shodown (PARADOX prototype) | SNES | PDX-SMSP | PARADOX | | JP Sep 22, 1994 US Nov, 1993 EU 1994
|
| Santa Claus Junior (Prototype) | Game Boy Advance | eur-scjr.zip | Eurasia | | EU Nov 1, 2002
|
| Scorpion: Fight Without Mercy (prototype A) | Commodore 64 | {{{origin_files}}} | HITMEN Alpha Flight | | |
| Scorpion: Fight Without Mercy (prototype B) | Commodore 64 | {{{origin_files}}} | HITMEN | | |
| Second Sight (Jul 14, 2004 prototype) | Xbox | dfc-ss | DARKFORCE | | US Sep 21, 2004 EU Sep 3, 2004
|
| Seven Kingdoms II: The Fryhtan Wars (Aug 4, 1999 prototype) | PC | flt-sk2 | Fairlight | | US Oct 15, 1999 EU Oct 1, 1999
|
| Shadowrun (US prototype) | SNES | ATX-SHAD.LHA | ANTHROX | | US May 1993 EU Aug 1993 JP Mar 25, 1994
|
| Shinobi III: Return of the Ninja Master (INDEPENDENT prototype) | Sega Mega Drive | SHINOBI_2_pre | INDEPENDENT | | JP Jul 23, 1993 US Sep 1993 EU Jul 23, 1993
|
| Shoot (Early demo) | Commodore 64 | {{{origin_files}}} | The Deadly Friends | | WW 1995
|
| Shoot (prototype) | Commodore 64 | {{{origin_files}}} | Motiv8 | | WW 1995
|
| Sid Meier's Alpha Centauri (Dec 17, 1998 prototype) | PC | {{{origin_files}}} | Razor 1911 | | EU Feb 19, 1999 US Feb 9, 1999
|
| Silpheed: The Lost Planet (Feb 26, 2001 prototype) | PlayStation 2 | kal-silp | KALISTO | | JP Sep 21, 2000 EU May 11, 2001 US Apr 23, 2001
|
| SimAnt (ANTHROX build) | SNES | ATX-ANT.LZH | ANTHROX | | US Oct 1993 JP Feb 26, 1993
|
| SimCopter (Sep 27, 1996 prototype) | PC | COPTER | Zeus | | US Nov 20, 1996
|
| SimGolf (Oct 2, 1996 prototype) | PC | SGOLF | Zeus | | US Nov 15, 1996
|
| Skyblazer (Prototype A) | SNES | M-SKYBLZ | MAGICAL | | US Jan 1994 JP Feb 18, 1994 EU Mar 25, 1994
|
| Skyblazer (Prototype B) | SNES | PR-SBLAZ | PREMIERE | | US Jan 1994 JP Feb 18, 1994 EU Mar 25, 1994
|
| Slammer (prototype) | Commodore 64 | {{{origin_files}}} | SKID ROW | | |
| Smash Tennis (Prototype) | SNES | ILS-BATB.LZH | Illusion | | JP Jun 25, 1993 EU 1994 US Feb 19, 2020
|
| Sniper (Commodore 64 prototype) | Commodore 64 | SNIPER PRV. [EX].PRG | EXCESS (EX) | | |
| Soldier of Light (Early prototype) | Commodore 64 | {{{origin_files}}} | Public Enemy No.1 | | EU Dec 1988
|
| Sonic Crackers (Apr 1, 1994 prototype) | Sega Mega Drive | MOR-SONC.LZH | MORGOTH | | |
| Sonic Spinball (Aug 1993 prototype) | Sega Mega Drive | PR-SPINB | PREMIERE | | JP Dec 10, 1993 US Nov 23, 1993 EU Nov 15, 1993
|
| Sonic the Hedgehog 2 (CENSOR prototype) | Sega Mega Drive | SONIC2.LZH | CENSOR | | JP Nov 21, 1992 US Nov 24, 1992 EU Nov 24, 1992
|
| Sonic the Hedgehog 2 (Simon Wai prototype) | Sega Mega Drive | {{{origin_files}}} | | | JP Nov 21, 1992 US Nov 24, 1992 EU Nov 24, 1992
|
| Space Ace (SNES Prototype) | SNES | PR-SPACE.LZH | PREMIERE | | US May 1994 JP Mar 25, 1994 EU 1994
|
| Space Quest IV: Roger Wilco and the Time Rippers (Jan 18, 1991 prototype) | PC | SQ4 | THG | | US Mar 4, 1991
|
| Space Quest V: Roger Wilco – The Next Mutation (Dec 30, 1992 prototype) | PC | SQVINC | INC | | US Feb 5, 1993
|
| Space Station Silicon Valley (Japanese prototype) | Nintendo 64 | SR-SSSV.ZIP | SKID ROW | | US Oct 21, 1998 EU Nov 1998 JP Unreleased
|
| Space Warriors (prototype) | Commodore 64 | Space_Warriors.TRIAD.zip | TRIAD | | |
| SpellCraft (Aug 1993 prototype) | SNES | M-SPELL.LZH | MAGICAL | | |
| Speranza (prototype) | Commodore 64 | SPIRANZA.PRG | The Ruling Company | | DE May 1994
|
| Spider-Man (Accumulators prototype) | Sega Mega Drive | ACC-SPID.LZH | Accumulators | | US 1995 EU 1995
|
| Spider-Man (Dec 12, 1994 prototype) | Sega Mega Drive | PDX-SPAS.LZH | PARADOX | | US 1995 EU 1995
|
| Spider-Man (SNES prototype) | SNES | ACC-SMAN.LZH | Accumulators | | US 1994
|
| SpongeBob SquarePants: Revenge of the Flying Dutchman (Prototype) | Game Boy Advance | ind-spong.zip | INDEPENDENT | | US September 10, 2002 EU March 28, 2003
|
| Sports Illustrated Championship Football & Baseball (BLACKSUN prototype) | SNES | BS-SIB.LZH | BLACKSUN | | US Feb 1994 EU 1994
|
| Star Trek: Deep Space Nine – Crossroads of Time (NUMBERS prototype) | SNES | NUM-DS9.LZH | NUMBERS | | US Sep 1995 EU 1996
|
| Star Wars Battlefront (Aug 2, 2004 prototype) | Xbox | dnl-swbf | TEAM DNL | | US Sep 21, 2004
|
| Star Wars: Jedi Knight - Jedi Academy (Aug 8, 2003 prototype) | PC | game-ja1 | GAME | | US Sep 16, 2003 EU Sep 19, 2003
|
| Star Wars: Jedi Knight - Jedi Academy (Jul 2, 2003 prototype) | PC | swjkja1-jagiso | JAGISO | | US Sep 16, 2003 EU Sep 19, 2003
|
| StarCraft 64 (Prototype) | Nintendo 64 | TC-SC64B.ZIP | The Corporation | | US Jun 13, 2000 EU Jun 16, 2000
|
| Starglider 2 (Commodore 64 prototype) | Commodore 64 | {{{origin_files}}} | Genesis Project | | |
| Starsky & Hutch (Prototype) | Game Boy Advance | trm-sah | Trashman | | US Sep 12, 2003 EU Sep 26, 2003
|
| Steel Talons (Jul 31, 1992 prototype) | Sega Mega Drive | STEEL_TALONES | INDEPENDENT | | US 1992 EU 1992 JP Jun 25, 1993
|
| Steven Seagal Is: The Final Option (Prototype) | SNES | ACC-SEAG.LZH | Accumulators | | |
| Street Fighter Anniversary Collection (Aug 25, 2004 prototype) | Xbox | wrx-sfac | WAR3X | | JP Oct 28, 2004 US Feb 22, 2005 EU Oct 29, 2004
|
| Street Fighter II: Champion Edition (Turbo prototype) | Sega Mega Drive | BS-SF2U.LZH | The Boss | | JP Sep 28, 1993 US Sep 27, 1993 EU Oct 29, 1993
|
| Sub-Terrania (July 1993 Prototype) | Sega Mega Drive | FLT-SUB | FAIRLIGHT | | US 1994 EU 1994
|
| Sub-Terrania (October 1993 Prototype A) | Sega Mega Drive | SCX-SUBT | SCOOPEX | | US 1994 EU 1994
|
| Subclavian (prototype) | Commodore 64 | {{{origin_files}}} | Hotline | | |
| Super Bubsy (Jul 5, 1995 prototype) | PC | BUBSY95.ARJ | Elite Internet Release Group | | WW May 19, 1997
|
| Super Dodge Ball Advance (Prototype) | Game Boy Advance | jur-sda.zip | Independent | | US Jun 11, 2001 EU Nov 16, 2001 JP Mar 21, 2001
|
| Super Double Dragon (prototype) | SNES | KCC-SDD.LZH | Kigass Console Krew | | US Oct 8, 1992 JP Oct 16, 1992 EU Sep 30, 1993
|
| Super Full Metal (Prototype A) | SNES | FULLM4MB.LZH | INDEPENDENT | | |
| Super Gem'Z (Amiga prototype) | Amiga | HLM_GEMZ | HOODLUM | | |
| Super Putty (prototype) | SNES | PR-PUTTY.LZH | PREMIERE | | EU 1993 JP Jul 30, 1993 US Nov 1993
|
| Super Shadow of the Beast (Prototype) | SNES | PR-SSOTB.LZH | PREMIERE | | |
| Super Solitaire (European prototype) | SNES | atx-solt.lzh | ANTHROX | | US Jan 1994 JP Jun 23, 1993 EU Unreleased
|
| Super Star Wars (Jul 21, 1992 prototype) | SNES | BSL-SWTR.LZH | BASELINE | | JP Dec 18, 1992 US Nov 1, 1992 EU Apr 2, 1993
|
| Super Troll Islands (Prototype) | SNES | RMK-STIS.LZH | Romkids | | JP Mar 25, 1994 US Feb 1994 EU 1994
|
| System Shock (Aug 30, 1994 prototype) | PC | {{{origin_files}}} | The Firm | | US Sep 23, 1994 EUP Nov, 1994
|
| Syvalion (PAL prototype) | SNES | QTX-SYVA.LZH | QUARTEX | | JP Jul 24, 1992 EU 1993
|
| Taito Legends (Aug 31, 2005 prototype) | Xbox | dev-taitleg | DEVOTiONS | | US Oct 25, 2005 EU Oct 14, 2005
|
| Taito Legends 2 (Feb 16, 2006 prototype) | Xbox | f2l-ttlgs2 | F2L | | EU Mar 31, 2006
|
| Taito Memories (Oct 29, 2003 prototype) | N-Gage | psa-tm.zip | The Preserver Alliance | | |
| Taz-Mania (Apr 6, 1993 prototype) | SNES | ATX-TAZ.LHA | ANTHROX | | US May 1993
|
| The Addams Family: Pugsley's Scavenger Hunt (SNES Prototype) | SNES | PFT-ADM2.LZH | PERFECTION | | US 1992 EU Feb 1993
|
| The Adventures of Jim Slim in Dragonland (demo) | Commodore 64 | {{{origin_files}}} | F4CG | | WW May 1, 2011
|
| The Blues Brothers (SNES Prototype) | SNES | BLUES | QUARTEX | | US Jun 1993 EU 1993 JP Mar 36, 1993
|
| The City of Lost Children (Jan 11, 1997 prototype) | PC | RLXCLC | REFLUX | | US Apr 2, 1997
|
| The Duel: Test Drive II (prototype) | SNES | TDRVSMC.LHA | INDEPENDENT | | US Dec 1992 EU Mar 1993
|
| The Flintstones (SNES Prototype) | SNES | FU-FLINT | FUCK | | US Feb 1995 EU Apr 1995
|
| The Flintstones: BurgerTime in Bedrock (Prototype) | Game Boy Color | {{{origin_files}}} | Menace | | US May 30, 2001 EU December 2000
|
| The Itchy & Scratchy Game (Mega Drive prototype) | Sega Mega Drive | NPM-ITCH.LZH | NAPALM | | |
| The King Of Fighters Extreme (Sep 8, 2004 prototype) | N-Gage | ENKOFEB#.ZIP | ENGAGE | | US Jan 12, 2005 EU Jan 20, 2005
|
| The Lawnmower Man (SNES Prototype) | SNES | BSL-MOW.LZH | BASELINE | | US Nov 8, 1993 EU 1993 JP Feb 11, 1994
|
| The Lion King (Nov 6, 1994 prototype) | PC | FRM!LIO | FIRM | | US 1994 EU 1994
|