Prototypes by system

Notes

A lot of the wiki is a work in progress. Many games are currently lacking title screenshots.

Third generation

FDS

Subpage: Prototypes by system/FDS (4 prototypes)

Air Fortress (Prototype)

Dead Zone (Prototype)

Otocky (Prototype)

Tanigawa Kouji no Shogi Shinan II: Meijin e no Michi (Nov 13, 1987 prototype)

NES

Subpage: Prototypes by system/NES (97 prototypes)

1943: The Battle of Midway (Prototype)

A Week of Garfield (prototype)

Adventures in the Magic Kingdom (Early prototype)

Adventures in the Magic Kingdom (Prototype)

Atlantis no Nazo (Prototype)

Banana (Jun 30, 1986 prototype)

Batman (Later Prototype)

Batman (Older Beta)

Sega Master System

Subpage: Prototypes by system/Sega Master System (84 prototypes)

Action Fighter (Prototype)

Alex Kidd: High-Tech World (Prototype)

Alien Syndrome (Prototype)

Blade Eagle (Prototype)

CJ: Elephant Fugitive (Prototype)

Captain Silver (Prototype)

Castle of Illusion: Starring Mickey Mouse (May 25, 1990 prototype)

Choplifter! (Jul 1, 1986 prototype)

SG-1000

Subpage: Prototypes by system/SG-1000 (2 prototypes)

Choplifter! (SG-1000 Prototype)

SG-1000 M2 Check Program (Prototype)

Fourth generation

Sega 32X

Subpage: Prototypes by system/Sega 32X (158 prototypes)

ClayFighter 2: Judgment Clay (Apr 28, 1995 prototype)

Cosmic Carnage (Oct 11, 1994 prototype)

Cosmic Carnage (Oct 13, 1994 prototype)

Cosmic Carnage (Oct 4, 1994 prototype)

Cosmic Carnage (Oct 5, 1994 prototype)

Cosmic Carnage (Oct 7, 1994 prototype)

Cosmic Carnage (Sep 21, 1994 prototype)

Cosmic Carnage (Sep 26, 1994 prototype)

Sega CD

Subpage: Prototypes by system/Sega CD (37 prototypes)

Battlecorps (Feb 11, 1994 prototype)

Citizen X (Jan 8, 1993 prototype)

Final Fight CD (Apr 23, 1993 prototype)

Make My Video: INXS (Jan 18, 1993 prototype)

Make My Video: Kris Kross (Nov 30, 1992 prototype)

Make My Video: Marky Mark and the Funky Bunch (Jan 20, 1993 prototype)

Penn & Teller's Smoke and Mirrors (Apr 30, 1995 prototype)

Sonic the Hedgehog CD (Aug 1, 1993 prototype)

Sega Mega Drive

Subpage: Prototypes by system/Sega Mega Drive (686 prototypes)

ATP Tour Championship Tennis (Aug 2, 1994 prototype)

ATP Tour Championship Tennis (Aug 5, 1994 prototype)

ATP Tour Championship Tennis (Aug 8, 1994 prototype)

ATP Tour Championship Tennis (May 9, 1994 prototype)

Aaahh!!! Real Monsters (Jul 7, 1995 prototype)

Advanced Daisenryaku - Deutsch Dengeki Sakusen (Mar 7, 1991 prototype)

Aero the Acro-Bat (PAL prototype)

Aladdin (Chicago C.E.S demo)

Sega Pico

Subpage: Prototypes by system/Sega Pico (117 prototypes)

101 Dalmatians (Aug 14, 1996 prototype)

101 Dalmatians (Aug 16, 1996 prototype)

101 Dalmatians (Aug 17, 1996 prototype B)

101 Dalmatians (Aug 17, 1996 prototype J)

101 Dalmatians (Aug 17, 1996 prototype U)

101 Dalmatians (Jul 18, 1996 prototype)

101 Dalmatians (Jul 3, 1996 prototype)

101 Dalmatians (Jul 5, 1996 prototype)

SNES

Subpage: Prototypes by system/SNES (187 prototypes)

3 Jigen Kakutou Ballz (Prototype)

Arabian Knights: Sabaku no Seirei Ou (Prototype)

Aretha II: Ariel no Fushigi na Tabi (Early prototype)

Aretha II: Ariel no Fushigi na Tabi (Prototype)

Atmosfear (Jul 12, 1994 prototype)

Batman Returns (Prototype)

Battletoads in Battlemaniacs (prototype)

Beethoven's 2nd (Sep 13, 1993 prototype)

TurboGrafx-16

Subpage: Prototypes by system/TurboGrafx-16 (3 prototypes)

Marble Madness (prototype)

Off the Wall (Jun Amanai Prototype)

Off the Wall (Prototype)

TurboGrafx-CD

Subpage: Prototypes by system/TurboGrafx-CD (3 prototypes)

Fantasy Star Soldier (Localization prototype)

Space Fantasy Zone (Prototype)

Fifth generation

3DO

Subpage: Prototypes by system/3DO (12 prototypes)

Atari Jaguar

Subpage: Prototypes by system/Atari Jaguar (46 prototypes)

AirCars (Nov 14, 1994 prototype)

Alien vs Predator (Apr 8, 1994 prototype)

Alien vs Predator (Aug 18, 1993 prototype)

Alien vs Predator (Oct 13, 1993 prototype)

Arena Football 95 (Prototype)

Asteroids 2000 (prototype)

Atari Karts (Prototype)

Barkley Shut Up and Jam! (Early prototype)

Atari Jaguar CD

Subpage: Prototypes by system/Atari Jaguar CD (16 prototypes)

Soul Star (Jaguar CD Prototype)

Nintendo 64

Subpage: Prototypes by system/Nintendo 64 (56 prototypes)

007: The World is Not Enough (Prototype)

40 Winks (Oct 7, 1999 prototype)

AeroGauge (Japanese demo)

California Speed (Prototype)

ClayFighter 63 1/3 (Aug 21, 1997 prototype)

Conker's Bad Fur Day (Aug 26, 2000 prototype)

Conker's Bad Fur Day (Oct 25, 2000 prototype)

Derby Stallion 64 (Prototype)

PlayStation

Subpage: Prototypes by system/PlayStation (406 prototypes)

007: The World Is Not Enough (Aug 26, 2000 prototype)

Aeon Flux (Nov 18, 1996 prototype)

Baldur's Gate (Oct 4, 2000 prototype)

Biohazard (Aug 4, 1995 prototype)

Biohazard (Jan 31, 1996 prototype)

Biohazard (Oct 4, 1995 prototype)

Biohazard 2 (Nov 6, 1996 prototype)

Biohazard 2 (Oct 30, 1997 prototype)

Sega Saturn

Subpage: Prototypes by system/Sega Saturn (66 prototypes)

Alien Trilogy (Jul 23, 1996 prototype)

Armed (Jan 22, 1997 prototype)

Astrocade (Aug 1, 1994 prototype)

Center Ring Boxing (Sep 26, 1995 prototype)

Chaos Control (May 29, 1996 prototype)

Chelnov (Jul 23, 1997 prototype)

Chill (Jan 19, 1998 prototype)

Clockwork Knight - Pepperouchau's Adventure Sample (Nov 15, 1994 build)

Sixth generation

Dreamcast

Subpage: Prototypes by system/Dreamcast (188 prototypes)

18 Wheeler: American Pro Trucker (Apr 5, 2001 prototype)

18 Wheeler: American Pro Trucker (Feb 2, 2001 prototype)

Championship Surfer (Aug 15, 2000 prototype)

Dave Mirra Freestyle BMX (Nov 2, 2000 prototype)

Dave Mirra Freestyle BMX (Sep 20, 2000 prototype)

Demolition Racer: No Exit (Aug 2, 2000 prototype)

Dreamcast Promotion Disk (Oct 22, 1998 build)

Ecco 3D (E3 Demo)

Nintendo GameCube

Subpage: Prototypes by system/Nintendo GameCube (32 prototypes)

Baldur's Gate: Dark Alliance (Oct 14, 2002 prototype)

Dodger Gamecube Tech Demo

Killer7 (Jun 3, 2005 prototype)

Killer7 (May 11, 2005 prototype)

Killer7 (PAL prototype)

Major League Baseball 2K6 (May 18, 2006 prototypes)

Metroid Prime 3: Corruption (Mar 2, 2006 prototype - Debug)

Need for Speed Underground (Sep 10, 2003 prototype)

PlayStation 2

Subpage: Prototypes by system/PlayStation 2 (201 prototypes)

Ace Combat 04: Shattered Skies (Nov 14, 2001 prototype)

Astérix & Obélix XXL 2: Mission: Las Vegum (Feb 25, 2005 prototype)

Combat Elite: WWII Paratroopers (May 13, 2004 prototype)

Crash Tag Team Racing (E3 prototype)

User:Crash Twinsanity (Jan 1, 1990 prototype)

Crisis Zone (Aug 2, 2004 prototype)

Dance Dance Revolution Extreme (E3 demo)

Devil May Cry 3: Dante's Awakening (Jan 12, 2005 prototype)

Xbox

Subpage: Prototypes by system/Xbox (59 prototypes)

Arx Fatalis (Jul 11, 2003 prototype)

Dead or Alive 1 Ultimate (Oct 12, 2004 prototype)

Forza Motorsport (Mar 5, 2005 prototype)

Ghost Rider (Jan 10, 2006 prototype)

Ghost Rider (Jan 5, 2006 prototype)

L.A. Rush (Jul 15, 2006 prototype)

Mortal Kombat: Shaolin Monks (May 15, 2005 prototype)

Panzer Dragoon Orta (Dec 24, 2002 prototype)

Seventh Generation

Nintendo Wii

Subpage: Prototypes by system/Nintendo Wii (5 prototypes)

Sonic and the Secret Rings (Trial)

Sonic the Hedgehog 4: Episode I (Feb 9, 2010 WiiWare prototype)

The Legend of Zelda: Skyward Sword Demo (PAL prototype)

The Legend of Zelda: Twilight Princess (Oct 23, 2006 PAL Demo)

The Legend of Zelda: Twilight Princess (Oct 23, 2006 USA Demo)

Handhelds

Game Boy

Subpage: Prototypes by system/Game Boy (28 prototypes)

2420 ROM Pack V

2440 ROM Pack

Catrap (prototype)

Chou Majin Eiyuuden Wataru: Mazekko Monster (Prototype)

Donkey Kong Land III (Prototype)

Dr. Mario (Game Boy prototype)

Felix the Cat (Prototype)

Global Gladiators (Jan 18, 1994 prototype)

Game Boy Advance

Subpage: Prototypes by system/Game Boy Advance (54 prototypes)

2 in 1: Dora the Explorer Double Pack (Prototype)

Advance Wars (prototype)

Banjo Pilot (Voxel prototype)

Banjo-Kazooie: Grunty's Revenge (0.37.08 prototype)

Banjo-Kazooie: Grunty's Revenge (0.40.58 debug prototype)

Barnyard (Prototype)

Battletoads (Game Boy Advance) (prototype)

Blue Angelo: Angels from the Shrine (Early prototype)

Game Boy Color

Subpage: Prototypes by system/Game Boy Color (14 prototypes)

Bounced

Cannon Fodder (Prototype)

Daikatana (Apr 19, 2000 prototype)

F-1 World Grand Prix (Prototype)

Floracy(Demo)

Gekido (Sep 4, 2000 prototype)

Infinity

Resident Evil (Climax Game Boy prototype)

Game Gear

Subpage: Prototypes by system/Game Gear (333 prototypes)

Aladdin (Dec 28, 1993 prototype)

Aladdin (Jan 11, 1994 prototype)

Aladdin (Jan 13, 1994 prototype)

Aladdin (Jan 24, 1994 prototype)

Andre Agassi Tennis (Prototype)

Asterix (Feb 16, 1994 prototype)

Asterix (Feb 22, 1994 prototype)

Asterix (Jan 25, 1994 prototype)

Gizmondo

Subpage: Prototypes by system/Gizmondo (10 prototypes)

Neo Geo Pocket Color

Subpage: Prototypes by system/Neo Geo Pocket Color (23 prototypes)

Big Bang Pro Wrestling (Prototype)

King of Fighters R-2 (Prototype)

Magical Drop (Prototype)

Metal Slug - 2nd Mission (Trial)

Rockman Battle & Fighters (Demo)

SNK vs. Capcom - Gekitotsu Card Fighters (Prototype)

Sonic the Hedgehog Pocket Adventure (Demo)

Sonic the Hedgehog Pocket Adventure (Oct 22, 1999 prototype)

N-Gage

Subpage: Prototypes by system/N-Gage (38 prototypes)

Bomberman (May 27, 2004 prototype)

Nintendo DS

Subpage: Prototypes by system/Nintendo DS (29 prototypes)

A-Max Boxing (prototype)

A-Max Tennis (prototype)

AGING-NTR (prototype)

Bionicles Heroes (Prototype)

Cocoto Kart Racer (Prototype)

Contact (Prototype)

Contra 4 (June 27, 2007 Prototype)

Cosmos Chaos (prototype)

PlayStation Portable

Subpage: Prototypes by system/PlayStation Portable (46 prototypes)

Castlevania The Dracula X Chronicles (Castlevania The Dracula X Chronicles (Jan 30, 2007)

Championship Manager 2010 (Prototype)

Daxter (Feb 10, 2006 prototype)

Fight Night Round 3 (Dec 21, 2005 prototype - Debug)

Ford Racing: Off Road (Jan 11, 2008 prototype)

Formula One 06 (Jun 15, 2006 prototype)

Gangs of London (Jun 5, 2006 prototype)

God of War: Chains of Olympus (Feb 1, 2008 prototype)

Other

Arcade

Subpage: Prototypes by system/Arcade (4 prototypes)

Bubble Bobble II (Dec 13, 1993 prototype)

Wing Force (Prototype)

Amstrad CPC

Subpage: Prototypes by system/Amstrad CPC (4 prototypes)

Acolyte (Prototype)

Frogger (Prototype)

Ninja Grannies (Prototype)

Atari ST

Subpage: Prototypes by system/Atari ST (1 prototypes)

Dominion (Aug 27 1992 prototype)

PC

Subpage: Prototypes by system/PC (101 prototypes)

3D Pinball: Space Cadet (Apr 26, 1995 prototype)

3D Pinball: Space Cadet (June 12, 1995 prototype)

3D Pinball: Space Cadet (June 16, 1995 prototype)

3D Pinball: Space Cadet (June 27, 1995 prototype)

3D Pinball: Space Cadet (May 12, 1995 prototype)

3D Pinball: Space Cadet (May 26, 1995 prototype)

Alfred Chicken (ECTS Show 1993 Prototype)

BIONICLE: The Legend of Mata Nui (Jul 24, 2001 prototype)

Panasonic M2

Subpage: Prototypes by system/Panasonic M2 (2 prototypes)

Philips CD-i

Subpage: Prototypes by system/Philips CD-i (72 prototypes)

Other

Subpage: Prototypes by system/Other (3 prototypes)

Super Mario 3D Land (E3 2011 kiosk demo)