| Microsoft Arcade (Jul 9, 1993 prototype) | MSARCADE.ZIP | PC | |
| Microsoft Space Simulator (Mar 29, 1994 prototype) | SC-SSIM | PC | SCOTCH |
| Mortal Kombat (Nov 29, 1993 prototype) | EDGEMKF | PC | Edge |
| Mortal Kombat (Nov 9, 1993 prototype) | EDGE-MK | PC | Edge |
| Mortal Kombat 3 (Aug 1, 1995 prototype) | SNK-MK3.LZH | SNES | SNEAKERS |
| Mortal Kombat 3 (NAPALM prototype) | NPM-MK3.LZH | SNES | NAPALM |
| Mortal Kombat II (SNES Prototype) | ATX-MK2.LZH | SNES | ANTHROX |
| Mortal Kombat: Deception (Aug 29, 2004 Xbox prototype) | eps-mkd | Xbox | EPSYLON |
| MotoGP 2 (Aug 30, 2001 prototype) | spqrmgp2 | PlayStation 2 | SPQR |
| MotoGP 4 (Mar 23, 2005 prototype) | mgp4-ggs | PlayStation 2 | GGS |
| Muhammad Ali Heavyweight Boxing (SNES Prototype) | ACC-ALI.LZH | SNES | Accumulators |
| NASCAR Racing (Aug 12, 1994 prototype) | | PC | $yndicate |
| NASCAR Racing (Jun 28, 1994 prototype) | FRM-NAS | PC | FIRM |
| NBA Jam (SNES prototype A) | RMK-NBAJ.LZH | SNES | Romkids |
| NFL Quarterback Club 2002 (Aug 11, 2001 prototype) | kal-qb22 | PlayStation 2 | KALISTO |
| NHL Hockey (Aug 4, 1993 prototype) | | PC | |
| Need for Speed 2 (Apr 1st, 1997 Prototype) | | PC | REFLUX |
| Ninja Gaiden (Mega Drive Prototype) | NJGAIDEN.LZH | Sega Mega Drive | INDEPENDENT |
| Oddworld: Stranger's Wrath (Dec 3, 2004 prototype) | dnl-osw | Xbox | TEAM DNL |
| Out of this World (Jan 2, 1993 prototype) | CEN-OUTW.LZH | Sega Mega Drive | CENSOR |
| OutRun 2019 (Prototype) | FLT-OUT.LZH | Sega Mega Drive | FAIRLIGHT |
| Painkiller: Hell Wars (Oct 18, 2005 prototype) | ggs-pkhw | Xbox | GGS |
| Perfect Ace 2: The Championships (Apr 8, 2005 prototype) | dev-pa2 | PlayStation 2 | DEVOTiONS |
| Pilot Down: Behind Enemy Lines (Feb 28, 2005 prototype) | dev-pd | PlayStation 2 | DEVOTiONS |
| Pitfall: The Mayan Adventure (SNES prototype) | ILS-PIT.LZH | SNES | Illusion |
| Pocky & Rocky (Sample prototype) | RMK-P&R | SNES | Romkids |
| Pocky & Rocky 2 (Prototype) | FU-POCKY | SNES | FUCK |
| Power Instinct (Prototype) | FU-POWER.LHA | SNES | FUCK |
| Primal Rage (Jul 17, 1995 prototype) | SWAT-PRS.LHZ | SNES | SWAT |
| Prince of Persia: Warrior Within (Oct 27, 2004 prototype) | wpr-popw | PlayStation 2 | WPR |
| Privateer 2: The Darkening (Oct 14, 1996 prototype) | PRIV2 | PC | Razor 1911 |
| Pro Evolution Soccer 3 (Jul 29, 2003 prototype) | lfc-pro3 | PlayStation 2 | LIGHTFORCE |
| Pro Evolution Soccer 4 (Aug 23, 2004 prototype) | xpr-pes4r | Xbox | ExPeRiEnCe |
| Psi-Ops: The Mindgate Conspiracy (Jun 11, 2004 prototype) | wrx-psiop | Xbox | WAR3X |
| RHI Roller Hockey '95 (Prototype) | snk-rh95.lzh | SNES | SNEAKERS |
| RalliSport Challenge 2 (Mar 17, 2004 prototype) | cpx-rc2b | Xbox | COMPLEX |
| Rally: The Final Round of the World Rally Championship (Prototype) | SNK-RALY.LZH | SNES | SNEAKERS |
| Rebel Raiders: Operation Nighthawk (Mar 18, 2005 prototype) | dev-rebrd | PlayStation 2 | DEVOTiONS |
| Ren & Stimpy: Stimpy's Invention (Prototype) | PR-RENST.LZH | Sega Mega Drive | PREMIERE |
| Rise of the Robots (SNES Prototype) | SNK-RISE | SNES | SNEAKERS |
| Road Runner's Death Valley Rally (Prototype) | ROADRUN | SNES | QUARTEX |
| Run Saber (LEGEND prototype) | L-RSAB.LHA | SNES | LEGEND |
| Samurai Shodown (PARADOX prototype) | PDX-SMSP | SNES | PARADOX |
| Second Sight (Jul 14, 2004 prototype) | dfc-ss | Xbox | DARKFORCE |
| SimAnt (ANTHROX build) | ATX-ANT.LZH | SNES | ANTHROX |
| SimGolf (Oct 2, 1996 prototype) | SGOLF | PC | Zeus |
| Skyblazer (Prototype A) | M-SKYBLZ | SNES | MAGICAL |
| Skyblazer (Prototype B) | PR-SBLAZ | SNES | PREMIERE |
| Smash Tennis (Prototype) | ILS-BATB.LZH | SNES | Illusion |
| Sonic Crackers (Apr 1, 1994 prototype) | MOR-SONC.LZH | Sega Mega Drive | MORGOTH |
| Sonic Spinball (Aug 1993 prototype) | PR-SPINB | Sega Mega Drive | PREMIERE |
| Sonic the Hedgehog 2 (CENSOR prototype) | SONIC2.LZH | Sega Mega Drive | CENSOR |
| Space Ace (SNES Prototype) | PR-SPACE.LZH | SNES | PREMIERE |
| Space Quest IV: Roger Wilco and the Time Rippers (Jan 18, 1991 prototype) | SQ4 | PC | THG |
| Space Quest V: Roger Wilco – The Next Mutation (Dec 30, 1992 prototype) | SQVINC | PC | INC |
| SpellCraft (Aug 1993 prototype) | M-SPELL.LZH | SNES | MAGICAL |
| Spider-Man (Accumulators prototype) | ACC-SPID.LZH | Sega Mega Drive | Accumulators |
| Spider-Man (Dec 12, 1994 prototype) | PDX-SPAS.LZH | Sega Mega Drive | PARADOX |
| Spider-Man (SNES prototype) | ACC-SMAN.LZH | SNES | Accumulators |
| Sports Illustrated Championship Football & Baseball (BLACKSUN prototype) | BS-SIB.LZH | SNES | BLACKSUN |
| Star Trek: Deep Space Nine – Crossroads of Time (NUMBERS prototype) | NUM-DS9.LZH | SNES | NUMBERS |
| Star Wars Battlefront (Aug 2, 2004 prototype) | dnl-swbf | Xbox | TEAM DNL |
| Star Wars: Jedi Knight - Jedi Academy (Aug 8, 2003 prototype) | game-ja1 | PC | GAME |
| Star Wars: Jedi Knight - Jedi Academy (Jul 2, 2003 prototype) | swjkja1-jagiso | PC | JAGISO |
| Street Fighter Anniversary Collection (Aug 25, 2004 prototype) | wrx-sfac | Xbox | WAR3X |
| Street Fighter II: Champion Edition (Turbo prototype) | BS-SF2U.LZH | Sega Mega Drive | The Boss |
| Sub-Terrania (July 1993 Prototype) | FLT-SUB | Sega Mega Drive | FAIRLIGHT |
| Sub-Terrania (October 1993 Prototype A) | SCX-SUBT | Sega Mega Drive | SCOOPEX |
| Super Bubsy (Jul 5, 1995 prototype) | BUBSY95.ARJ | PC | Elite Internet Release Group |
| Super Putty (prototype) | PR-PUTTY.LZH | SNES | PREMIERE |
| Super Shadow of the Beast (Prototype) | PR-SSOTB.LZH | SNES | PREMIERE |
| Super Troll Islands (Prototype) | RMK-STIS | SNES | Romkids |
| Taito Legends (Aug 31, 2005 prototype) | dev-taitleg | Xbox | DEVOTiONS |
| Taz-Mania (Apr 6, 1993 prototype) | ATX-TAZ.LHA | SNES | ANTHROX |
| The Addams Family: Pugsley's Scavenger Hunt (SNES Prototype) | PFT-ADM2.LZH | SNES | PERFECTION |
| The Blues Brothers (SNES Prototype) | BLUES | SNES | QUARTEX |
| The City of Lost Children (Jan 11, 1997 prototype) | RLXCLC | PC | REFLUX |
| The Itchy & Scratchy Game (Mega Drive prototype) | NPM-ITCH.LZH | Sega Mega Drive | NAPALM |
| The Lion King (Nov 6, 1994 prototype) | FRM!LIO | PC | FIRM |
| The Magical Quest Starring Mickey Mouse (Prototype A) | CSL-SMM | SNES | CRYSTAL |
| The Mask (Prototype) | NUM-MASK.LZH | SNES | NUMBERS |
| The Pagemaster (SNES Prototype A) | ACC-PAGE.LZH | SNES | Accumulators |
| The Pagemaster (SNES Prototype B) | ACC-PM.LZH | SNES | Accumulators |
| The Shadow (Prototype) | FU-SHAD.LHA | SNES | FUCK |
| Time Trax (SNES Prototype) | NUMTIMTX.LZH | SNES | NUMBERS |
| Tiny Toon Adventures: Buster Busts Loose! (Prototype) | QTX-TINY.LZH | SNES | QUARTEX |
| Tiny Toon Adventures: Wacky Sports Challenge (SNEAKERS Prototype) | SNK-TTWW.LHA | SNES | SNEAKERS |
| Tony Meola's Sidekicks Soccer (European prototype) | MOB-WSOC.LZH | SNES | Lynchmob |
| Top Gear RPM Tuning (Nov 16, 2004 prototype) | dnl-tgrt | Xbox | TEAM DNL |
| Total Football (Prototype) | NPM-TTFB.LZH | SNES | NAPALM |
| Twisted Flipper (Prototype A) | CEN-TWFL | Sega Mega Drive | CENSOR |
| Universal Soldier (Prototype) | UNVSOLDR.LZH | SNES | PONG |
| Unreal (Nov 23, 1995 prototype) | {{{origin_files}}} | PC | |
| Unreal Championship (Sep 10, 2002 prototype) | lamerxuc | Xbox | LamerX |
| Vectorman (SNEAKERS Prototype) | SNK-VMAN.LZH | Sega Mega Drive | SNEAKERS |
| Virtual Bart (Jun 7, 1994 prototype) | ESB-VB.LZH | SNES | ESB |
| WTA Tour Tennis (Jan 8, 2002 prototype) | stc-wtau | PlayStation 2 | STATiC |
| WWF In Your House (Nov 3, 1996 prototype) | WWFIYH | PC | Razor 1911 |
| Warlock (Dec 1994 prototype) | NPM-WRLK.LZH | Sega Mega Drive | NAPALM |
| Wave Rally (Oct 6, 2001 prototype) | ztx-wavral | PlayStation 2 | ( Z T X ) |