| Demolition Man (NAPALM prototype) | NPM-DEMO.LZH | Sega Mega Drive | NAPALM |
| Desert Fighter (Nov 9, 1993 prototype) | ACC-DFIG.LZH (original)
ACC-DFIX.LZH (IPS patch) | SNES | Accumulators |
| Destruction Derby Arenas (Nov 10, 2003 prototype) | o-derbya | PlayStation 2 | ORGASM |
| Disney's Beauty and the Beast (SNES prototype) | ILS-BATB.LZH | SNES | Illusion |
| Disney's Dinosaur (Game Boy Color prototype) | {{{origin_files}}} | Game Boy Color | KEL |
| Disney's The Haunted Mansion (Game Boy Advance prototype) | trm-dthm.zip | Game Boy Advance | Trashman |
| Disney-Pixar Finding Nemo (German prototype) | SXS-NEMO.ZIP | Game Boy Advance | SUXXORS |
| Dolphin Force (prototype A) | DOLPHIN FORCE PV.PRG | Commodore 64 | Bros |
| Dolphin Force (prototype B) | DOLPHIN FORCE.PRG | Commodore 64 | Bros |
| Dominion (Micro Media prototype) | Dominion+2HD-GP.d64 | Commodore 64 | Genesis Project |
| Doom II: Hell on Earth (Aug 25, 1994 prototype) | DOOM2 | PC | Razor 1911 |
| Doomed World (prototype) | {{{origin_files}}} | Commodore 64 | Genesis Project |
| Dr. Robotnik's Mean Bean Machine (Prototype) | PR-ROBOT.LZH | Sega Mega Drive | PREMIERE |
| Dragon Ball Z: Budokai 3 (Sep 27, 2004 prototype) | cky-dbz | PlayStation 2 | CKY |
| Dragon Slayer (Linel prototype) | D.SLAYER-/ACTION.PRG | Commodore 64 | ACTION |
| Dragon View (prototype) | FLT-DRA2.LHA | SNES | FAIRLIGHT |
| Dragon's Lair (SNES Prototype) | DRGNLAIR.LZH | SNES | INDEPENDENT |
| Dream TV (ACCUMULATORS prototype) | DRMTVFIX.LHA | SNES | Accumulators |
| Dream TV (FAIRLIGHT prototype) | FLT-DRTV.LZH | SNES | FAIRLIGHT |
| Droopy's Tennis Open (May 14, 2002 prototype) | EUR-DTEN.ZIP | Game Boy Advance | Eurasia |
| Dynamite Headdy (April 1994 prototype) | scx-head.lzh | Sega Mega Drive | SCOOPEX |
| Dynasty Warriors 5 (Mar 23, 2005 prototype) | dev-dyw5 | PlayStation 2 | DEVOTiONS |
| ESPN Baseball Tonight (prototype) | PR-ESPNS.LZH | SNES | PREMIERE |
| ESPN NFL PrimeTime 2002 (Aug 7, 2001 prototype) | ztx-nflpt | PlayStation 2 | ( Z T X ) |
| ESPN National League Hockey Night (Prototype) | MOB-ESPN.LZH | Sega Mega Drive | Lynchmob |
| ESPN SpeedWorld (SNES prototype) | PR-SPEED.LZH | SNES | PREMIERE |
| ESPN Winter X Games Snowboarding 2002 (Aug 9, 2001 prototype) | ztx-espnb22r | PlayStation 2 | ( Z T X ) |
| Earthworm Jim 2 (SNEAKERS Prototype) | SNK-EWJ2.LHA | SNES | SNEAKERS |
| Ecco: The Tides of Time (Early prototype) | PDX-ECC2.lzh | Sega Mega Drive | PARADOX |
| Elaroo (prototype) | {{{origin_files}}} | Commodore 64 | Bronx |
| Equinox (prototype) | FLT-EQX.LHA | SNES | FAIRLIGHT |
| Escape from Colditz (Commodore 64 prototype) | {{{origin_files}}} | Commodore 64 | SUCCESS |
| Eternal Champions (Prototype) | SCX-ETCH.LZH | Sega Mega Drive | SCOOPEX |
| Evil Islands: Curse of the Lost Soul (Oct 10, 2000 prototype) | {{{origin_files}}} | PC | KeliSO |
| F-1 World Grand Prix (PAL prototype) | NIL-F1GP.ZIP | Nintendo 64 | NIL |
| FIFA Soccer 2005 (Sep 22, 2004 prototype) | enf2k50#.zip | N-Gage | ENGAGE |
| FILA Declathon (Prototype) | pcx-caes | Game Boy Advance | Paracox |
| Fahrenheit (May 19, 2005 prototype) | dev-frndemo | Xbox | DEVOTiONS |
| Feda: The Emblem of Justice (SNES prototype) | CF-FEDA.LZH | SNES | Cyber Force |
| Fighter's History (Prototype) | NUM-FHIS.LZH | SNES | NUMBERS |
| Firestriker (Prototype) | PR-FIRE.LZH | SNES | PREMIERE |
| Flashback Legends (Jun 21, 2002 prototype) | trm-fblg.zip | Game Boy Advance | Trashman |
| Fleet Defender (Jan 10, 1994 prototype) | NX-F14B | PC | NEXUS |
| Formula One 05 (Apr 29, 2005 prototype) | ggs-f12k5 | PlayStation 2 | GGS |
| Fred the Fruiter (Pumpkin prototype) | {{{origin_files}}} | Commodore 64 | The Ruling Company
SUCCESS |
| Fullmetal Alchemist and the Broken Angel (Jul 14, 2004 prototype) | mrn-full | PlayStation 2 | MORRiGAN |
| Future World (F4CG prototype) | {{{origin_files}}} | Commodore 64 | F4CG |
| Future World (HITMEN prototype) | {{{origin_files}}} | Commodore 64 | HITMEN |
| GP-1 Racing (Mar 17, 2003 prototype) | r18-gp1 | Game Boy Advance | R18 |
| Gauntlet (CENSOR prototype) | CEN-GAUN.LZH | Sega Mega Drive | CENSOR |
| Go-Kart (prototype) | GOKART.D64 | Commodore 64 | ONSLAUGHT
LAXITY |
| Grand Prix Legends (Aug 13, 1998 prototype) | TRPSGP | PC | TRPS |
| Great Naval Battles: Guadalcanal 1942-1943 (Feb 1, 1994 prototype) | NX-GNB2 | PC | NEXUS |
| Grell & Fella in the Enchanted Gardens (Commodore 64 prototype) | {{{origin_files}}} | Commodore 64 | Pride |
| Gremlins: Stripe vs. Gizmo (Feb 19, 2002 prototype) | eur-grem.zip | Game Boy Advance | Eurasia |
| Guilty Gear Isuka (Aug 15, 2004 prototype) | lfc-ggiu | PlayStation 2 | LIGHTFORCE |
| Gunmetal (Aug 1, 1998 prototype) | {{{origin_files}}} | PC | PDM |
| Hagane: The Final Conflict (prototype) | CRE-HAGF.LZH | SNES | CREAM |
| Hakunetsu Pro Yakyuu '93: Ganba League (Prototype) | M-GLBJ | SNES | MAGICAL |
| Half-Life (Aug 16, 2001 prototype) | ztx-hl | PlayStation 2 | ( Z T X ) |
| Half-Life (Nov 1, 1998 prototype) | HL.ACE | PC | Class |
| Henry (Hardcore prototype) | {{{origin_files}}} | Commodore 64 | Hardcore |
| Henry (TRANCE prototype) | {{{origin_files}}} | Commodore 64 | TRANCE |
| Hey Arnold! The Movie (Apr 18, 2002 prototype) | asg-ha.zip | Game Boy Advance | Asgard |
| Highway Hunter (Oct 25, 1994 prototype) | {{{origin_files}}} | PC | DoD |
| Home Alone (July 1992 prototype) | HOME_ALONE.LZH | Sega Mega Drive | INDEPENDENT |
| Hyper Dunk: The Playoff Edition (Feb 2, 1994 prototype) | CEN-HYPD.LZH | Sega Mega Drive | CENSOR |
| Hyperion II (prototype) | HYPERION 2 -O-.PRG | Commodore 64 | ONSLAUGHT |
| Iketa (Vapour prototype) | VAPOUR PRV. [EX].PRG | Commodore 64 | EXCESS (EX) |
| Illgen (demo) | {{{origin_files}}} | Commodore 64 | ELITE |
| Illusion of Gaia (prototype) | NUM-GAIA.LZH | SNES | NUMBERS |
| Illusions (Commodore 64 prototype) | {{{origin_files}}} | Commodore 64 | |
| Inspector Gadget and the Circus of Fear (Beam Software intro) | {{{origin_files}}} | Commodore 64 | DEMOLITION |
| Inspector Gadget and the Circus of Fear (Beam Software prototype) | {{{origin_files}}} | Commodore 64 | Trianon |
| Into the Nature (Final build) | {{{origin_files}}} | Commodore 64 | ONSLAUGHT |
| Into the Nature (prototype) | {{{origin_files}}} | Commodore 64 | |
| Iron Commando (European prototype) | PDX-IRON.LZH | SNES | PARADOX |
| Iron Hand (Commodore 64 prototype) | {{{origin_files}}} | Commodore 64 | NATO |
| Italian Night 1999 (Commodore 64 prototype) | {{{origin_files}}} | Commodore 64 | F4CG |
| Jackie Chan Adventures (Jul 19, 2004 prototype) | jca-ggs | PlayStation 2 | GGS |
| Jim Power: The Lost Dimension in 3-D (Genesis prototype) | pdy-jpow.lzh | Sega Mega Drive | PRODIGY |
| Jim Power: The Lost Dimension in 3-D (SNES prototype) | PDX-JPOW.LZH | SNES | PARADOX |
| Joe & Mac 2: Lost in the Tropics (FUCK prototype) | MF-JOE3.LHA | SNES | FUCK |
| Juiced (Jul 13, 2004 Acclaim Prototype) | {{{origin_files}}} | Xbox | SKY |
| Junker's High (Prototype A) | JUNKERS_HIGH | Sega Mega Drive | CENSOR |
| Justice League: Injustice for All (Prototype) | eur-jlia.zip | Game Boy Advance | Eurasia |
| Kaisertal: Fight the Necronis War (Prototype) | asg-kais.zip | Game Boy Advance | Asgard |
| Kawasaki Superbike Challenge (Prototype) | ATX-KAWA.LZH | Sega Mega Drive | ANTHROX |
| Kevin Keegan's Player Manager (German prototype B) | PLAY-MAN.LZH | SNES | MAINMAN |
| Kick Off 3: European Challenge (SABOTAGE prototype) | SBT-KCK3.LHA | SNES | SABOTAGE |
| Kid Klown in Crazy Chase (Game Boy Advance prototype) | trm-ccb.zip | Game Boy Advance | Trashman |
| Kijin Kourinden Oni (prototype) | CF-SPONI.LZH | SNES | Cyber Force |
| Killer Instinct (prototype) | KI-BETA.LZH | SNES | INDEPENDENT |
| Kingdom Under Fire: The Crusaders (Jul 6, 2004 prototype) | {{{origin_files}}} | Xbox | XB |
| Konami Krazy Racers (Prototype) | mnc-kkrc | Game Boy Advance | Menace |
| Koshimo (prototype A) | {{{origin_files}}} | Commodore 64 | Fatum |
| Koshimo (prototype B) | {{{origin_files}}} | Commodore 64 | Avantgarde |
| LEGO Racers 2 (Prototype) | pcx-leg2 | Game Boy Advance | Paracox |
| Lander (Feb 22, 1999 prototype) | lander | PC | DVNiSO |
| Landstalker: The Treasures of King Nole (Feb 24, 1993 prototype) | M-LSTLK.LZH | Sega Mega Drive | MAGICAL |