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 (9 prototypes)

Air Fortress (Prototype)

Akuu Senki Raijin (Oct 14, 1987 prototype)

Aliens (Prototype)

Dead Zone (Prototype)

Druid: Kyoufu no Tobira (Dec 1987 prototype)

Eggerland: Souzou e no Tabidachi (Prototype)

Otocky (Prototype)

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

NES

Subpage: Prototypes by system/NES (114 prototypes)

1943: The Battle of Midway (Prototype)

A Week of Garfield (prototype)

Adventure Island III (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)

Sega Master System

Subpage: Prototypes by system/Sega Master System (94 prototypes)

3D Gunner (Prototype)

Action Fighter (Prototype)

Alex Kidd: High-Tech World (Prototype)

Alien Syndrome (Prototype)

Basketball Nightmare (Prototype)

Battle Wings (Prototype)

Blade Eagle (Prototype)

CJ: Elephant Fugitive (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 (159 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 (50 prototypes)

Amazing Spider-Man vs The Kingpin (Jun 2, 1993 prototype)

Batman Returns (Apr 23, 1993 prototype)

Battlecorps (Feb 11, 1994 prototype)

Battletech: Gray Death Legion (Jan 5, 1995 prototype)

Black Hole Assault (Oct 1, 1992 prototype)

Citizen X (Jan 8, 1993 prototype)

Ecco: The Tides of Time (prerelease)

Final Fight CD (Apr 23, 1993 prototype)

Sega Mega Drive

Subpage: Prototypes by system/Sega Mega Drive (723 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 (Jul 19, 1994 prototype)

ATP Tour Championship Tennis (Jul 23, 1994 prototype)

ATP Tour Championship Tennis (May 9, 1994 prototype)

ATP Tour Championship Tennis (Sep 19, 1994 prototype)

ATP Tour Championship Tennis (Sep 8, 1994 prototype)

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 (231 prototypes)

3 Jigen Kakutou Ballz (Prototype)

Aero the Acro-Bat 2 (Aug 8, 1994 prototype)

Apocalypse II (Oct 28, 1997 prototype)

Arabian Knights: Sabaku no Seirei Ou (Prototype)

Arcade's Greatest Hits: The Atari Collection 1 (Apr 11, 1997 prototype)

Arcade's Greatest Hits: The Atari Collection 1 (Feb 10, 1997 prototype)

Arcade's Greatest Hits: The Atari Collection 1 (Feb 11, 1997 prototype)

Arcana (prototype)

TurboGrafx-16

Subpage: Prototypes by system/TurboGrafx-16 (4 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 (14 prototypes)

Gex (Alpha prototype)

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 (89 prototypes)

007: The World is Not Enough (Prototype - 2020 release)

007: The World is Not Enough (Prototype)

40 Winks (Oct 7, 1999 prototype)

AeroGauge (Japanese demo)

Aidyn Chronicles: The First Mage (Feb 1, 2001 Debug)

Aidyn Chronicles: The First Mage (Feb 10, 2000 prototype)

Aidyn Chronicles: The First Mage (May 9, 2000 prototype)

Bass Masters 2000 (Prototype)

PlayStation

Subpage: Prototypes by system/PlayStation (525 prototypes)

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

ATV: Quad Power Racing (Jul 4, 2000 prototype)

Aeon Flux (Nov 18, 1996 prototype)

Alfred Chicken (Dec 3, 2001 prototype)

Apocalypse (Jul 22, 1998 prototype)

Aqua GT (Nov 16, 2000 prototype)

Bakuryu (Nov 27, 1999 prototype)

Baldur's Gate (Oct 4, 2000 prototype)

Sega Saturn

Subpage: Prototypes by system/Sega Saturn (85 prototypes)

3D Baseball (Sep 19, 1996 prototype)

Alien Trilogy (Jul 23, 1996 prototype)

Area 51 (Jul 11, 1996 prototype)

Armed (Jan 22, 1997 prototype)

Astrocade (Aug 1, 1994 prototype)

Baku Baku Animal: World Zookeeper Contest (Apr 26, 1996 prototype)

Battle Arena Toshinden URA (Nov 7, 1996 prototype)

Bug Too! (Nov 8, 1996 prototype)

Sixth generation

Dreamcast

Subpage: Prototypes by system/Dreamcast (256 prototypes)

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

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

4x4 Evolution (Jan 9, 2001 prototype)

90 Minutes: Sega Championship Football (Sep 18, 2001 prototype)

Agartha (Apr 18, 2001 prototype)

Agartha (Mar 5, 2001 prototype)

Alone in the Dark: The New Nightmare (Apr 9, 2001 prototype)

Ball Breakers (Oct 24, 2000 prototype)

Nintendo GameCube

Subpage: Prototypes by system/Nintendo GameCube (52 prototypes)

ATV: Quad Power Racing 2 (Oct 11, 2002 prototype)

Asterix & Obelix XXL (Feb 25, 2004 prototype)

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

Bloody Roar: Primal Fury (Jan 8, 2002 prototype)

Burnout (Mar 6, 2002 prototype)

Disney's Hide and Sneak (Dec 1, 2003 prototype)

Dodger Gamecube Tech Demo

Dr. Muto (Feb 12, 2003 prototype)

PlayStation 2

Subpage: Prototypes by system/PlayStation 2 (1180 prototypes)

.Hack Infection Part 1 (Jan 9, 2004 prototype)

007: Everything or Nothing (Dec 12, 2003 prototype)

007: From Russia with Love (Aug 16, 2005 prototype)

007: From Russia with Love (Sep 25, 2005 prototype)

100 Bullets (Jun 30, 2004 prototype)

24: The Game (Dec 13, 2005 prototype)

24: The Game (Jan 10, 2006 prototype)

24: The Game (Nov 28, 2005 prototype)

Xbox

Subpage: Prototypes by system/Xbox (156 prototypes)

007: From Russia with Love (Jul 13, 2005 prototype)

007: From Russia with Love (Sep 30, 2005 prototype)

100 Bullets (Apr 22, 2004 prototype)

100 Bullets (Aug 6, 2004 prototype)

25 to Life (Dec 8, 2005 prototype)

ATV3: Lawless (May 7, 2005 prototype)

Arx Fatalis (Jul 11, 2003 prototype)

Arx Fatalis (Sep 29, 2003 prototype)

Seventh Generation

Nintendo Wii

Subpage: Prototypes by system/Nintendo Wii (7 prototypes)

Kung Fu Panda (Dec 7, 2007 prototype)

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)

The Simpsons Game (July 6, 2007 prototype)

Handhelds

Game Boy

Subpage: Prototypes by system/Game Boy (43 prototypes)

2097 ROM Pack II

2420 ROM Pack V

2440 ROM Pack

Buster Brothers (Prototype)

Catrap (prototype)

Chou Majin Eiyuuden Wataru: Mazekko Monster (Prototype)

Death Track (Prototype)

Donkey Kong Land III (Prototype)

Game Boy Advance

Subpage: Prototypes by system/Game Boy Advance (80 prototypes)

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

Advance Wars (prototype)

Aero the Acro-Bat (Game Boy Advance) (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)

Game Boy Color

Subpage: Prototypes by system/Game Boy Color (19 prototypes)

Bounced

Cannon Fodder (Prototype)

Daikatana (Apr 19, 2000 prototype)

F-1 World Grand Prix (Prototype)

Floracy(Demo)

Gekido (Sep 4, 2000 prototype)

Infinity

Pokémon Silver (German Prototype)

Game Gear

Subpage: Prototypes by system/Game Gear (336 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)

Pac-Man (Prototype)

Rockman Battle & Fighters (Demo)

SNK vs. Capcom - Gekitotsu Card Fighters (Prototype)

Sonic the Hedgehog Pocket Adventure (Demo)

N-Gage

Subpage: Prototypes by system/N-Gage (40 prototypes)

Bomberman (May 27, 2004 prototype)

Catan (May 3, 2005 prototype)

Nintendo DS

Subpage: Prototypes by system/Nintendo DS (47 prototypes)

A-Max Boxing (prototype)

A-Max Tennis (prototype)

AGING-NTR (prototype)

Animal Crossing: Wild World (EU Demo)

Batman: Arkham Asylum (prototype)

Bionicles Heroes (Prototype)

Busy Scissors (Prototype)

Cocoto Kart Racer (Prototype)

PlayStation Portable

Subpage: Prototypes by system/PlayStation Portable (78 prototypes)

ATV Offroad Fury Pro (Sep 25, 2006 prototype)

Ace Combat X: Skies of Deception (Aug 1, 2006 prototype)

Ace Combat X: Skies of Deception (Aug 16, 2006 prototype)

Arthur and the Minimoys (Jan 17, 2007 prototype)

Battle vs. Chess (Feb 6, 2012 prototype)

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

Championship Manager 2010 (Prototype)

Chili Con Carnage (Sep 23, 2006 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 (117 prototypes)

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

3D Pinball: Space Cadet (July 3, 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)

Panasonic M2

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

Philips CD-i

Subpage: Prototypes by system/Philips CD-i (77 prototypes)

Mario Wacky Worlds (Mar 2, 1993 prototype)

Other

Subpage: Prototypes by system/Other (4 prototypes)

Super Mario 3D Land (E3 2011 kiosk demo)