Prototypes by system

Notes

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

Second generation

Atari 2600

Subpage: Prototypes by system/Atari 2600 (128 prototypes)

3-D Genesis (prototype)

3-D Rubik's Cube (prototype)

3-D Zapper (Dec 15, 1982 prototype)

3-D Zapper (prototype 2)

4 in 1 (Feb 19, 1987 prototype)

8 in 1 (Nov 16, 1992 prototype)

A-Team (Mar 30, 1984 prototype)

A-Team (May 8, 1984 prototype)

Atari 5200

Subpage: Prototypes by system/Atari 5200 (3 prototypes)

Frogger II: ThreeeDeep! (Sewer prototype)

Moon Patrol (Atari 5200 prototype B)

Moon Patrol (Sep 19, 1983 prototype)

ColecoVision

Subpage: Prototypes by system/ColecoVision (18 prototypes)

2010: The Graphic Action Game (Nov 9, 1984 prototype)

2010: The Graphic Action Game (RV44 prototype)

Cabbage Patch Kids: Adventures in the Park (ColecoVision prototype A)

Cabbage Patch Kids: Adventures in the Park (ColecoVision prototype B)

Cabbage Patch Kids: Adventures in the Park (Jun 30, 1984 build)

Dragon's Lair (Apr 16, 1984 prototype)

Frogger II: ThreeeDeep! (Apr 11, 1984 prototype)

Frogger II: ThreeeDeep! (Apr 13, 1984 prototype)

Third generation

Atari 7800

Subpage: Prototypes by system/Atari 7800 (9 prototypes)

Asteroids (Atari 7800 prototype)

Commando (Apr 29, 1988 prototype)

Food Fight (Aug 16, 1984 prototype)

Galaga (Apr 18, 1984 prototype)

Galaga (Atari 7800 prototype)

Klax (Atari 7800 prototype)

Ms. Pac-Man (Atari 7800 prototype)

Toki (Beta Version Two)

FDS

Subpage: Prototypes by system/FDS (13 prototypes)

Adian no Tsue (Oct 29, 1986 prototype)

Air Fortress (Prototype)

Akuu Senki Raijin (Oct 14, 1987 prototype)

Aliens (Prototype)

Dead Zone (Prototype)

Dot E Creator Contest

Druid: Kyoufu no Tobira (Dec 1987 prototype)

Eggerland: Souzou e no Tabidachi (Prototype)

NES

Subpage: Prototypes by system/NES (235 prototypes)

1943: The Battle of Midway (Prototype)

2002 World Cup PK (PAL prototype)

A Week of Garfield (Prototype)

A Week of Garfield (Ver 0.9 prototype)

Advanced Dungeons & Dragons: Heroes of the Lance (prototype)

Advanced Dungeons & Dragons: Hillsfar (Prototype)

Adventure Island II (Prototype)

Adventure Island III (Prototype)

Sega Master System

Subpage: Prototypes by system/Sega Master System (110 prototypes)

3D Gunner (Prototype)

Action Fighter (Prototype)

Alex Kidd: High-Tech World (Prototype)

Alien Syndrome (Prototype)

Astro Warrior & Pit Pot (Prototype)

Basketball Nightmare (Prototype A)

Basketball Nightmare (Prototype B)

Battle Wings (Prototype)

SG-1000

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

Choplifter! (SG-1000 Prototype)

SG-1000 M2 Check Program (Prototype)

Fourth generation

Satellaview

Subpage: Prototypes by system/Satellaview (6 prototypes)

Cooly Skunk (Prototype)

Logos Panic GO.A.I.SA.TU. (Satellaview)

New Yatterman: Nandai Kandai Yajirobee (Satellaview)

Super Nazo Puyo Tsuu: Rulue no Tetsuwan Hanjyouki (Satellaview)

Super Puyo Puyo Tsuu (Satellaview)

Super Puyo Puyo Tsuu Remix (Satellaview)

Sega 32X

Subpage: Prototypes by system/Sega 32X (161 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 (54 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)

Bloodshot (Mar 9, 1995 prototype)

Bug Blasters: The Exterminators (Jan 23, 1995 prototype)

Burning Fists: Force Striker (Dec 7, 1993 prototype)

Sega Mega Drive

Subpage: Prototypes by system/Sega Mega Drive (818 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 (426 prototypes)

90 Minutes: European Prime Goal (prototype)

Addams Family Values (Early SNES Prototype)

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

Aladdin (SNES prototype)

Alfred Chicken (SNES prototype)

Alien 3 (ANTHROX prototype)

Alien 3 (FAIRLIGHT prototype)

Alien 3 (PARADOX prototype)

TurboGrafx-16

Subpage: Prototypes by system/TurboGrafx-16 (5 prototypes)

Air Zonk (Prototype)

Marble Madness (prototype)

Off the Wall (Jun Amanai Prototype)

Off the Wall (Prototype)

TV Sports Baseball (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 (18 prototypes)

BattleSport (May 11, 1995 prototype)

Blade Force (Aug 8, 1995 prototype)

Blade Force (Jul 14, 1995 prototype)

Captain Quazar (Sep 21, 1995 prototype)

Decathlon (Prototype)

Gex (Alpha prototype)

Icebreaker II (Prototype)

Immercenary (Jan 9, 1995 prototype)

Atari Jaguar

Subpage: Prototypes by system/Atari Jaguar (51 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 (Jul 20, 1994 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 (234 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 (Apr 10, 2001 prototype)

Aidyn Chronicles: The First Mage (Dec 5, 2000 Prototype)

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

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

PlayStation

Subpage: Prototypes by system/PlayStation (1162 prototypes)

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

007: Tomorrow Never Dies (Oct 10, 1999 prototype)

2Xtreme (Aug 29, 1996 prototype)

3D Lemmings (Aug 23, 1995 prototype)

3D Lemmings (Aug 8, 1995 prototype)

A Bug's Life (Nov 18, 1998 prototype)

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

Ace Combat 3: Electrosphere (Dec 9, 1999 prototype)

Sega Saturn

Subpage: Prototypes by system/Sega Saturn (211 prototypes)

3D Baseball (Aug 30, 1996 prototype)

3D Baseball (Aug 6, 1996 prototype)

3D Baseball (Oct 16, 1996 prototype)

3D Baseball (Sep 19, 1996 prototype)

Alien Trilogy (Jul 23, 1996 prototype)

Alone in the Dark: One-Eyed Jack's Revenge (Mar 21, 1996 prototype)

Area 51 (Jul 11, 1996 prototype)

Area 51 (Jun 19, 1996 prototype)

Sixth generation

Dreamcast

Subpage: Prototypes by system/Dreamcast (505 prototypes)

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

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

4 Wheel Thunder (Jan 26, 2000 prototype)

4 Wheel Thunder (Jan 29, 2000 prototype)

4 Wheel Thunder (Mar 31, 2000 prototype)

4 Wheel Thunder (Nov 5, 1999 prototype)

4x4 Evolution (Jan 9, 2001 prototype)

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

Nintendo GameCube

Subpage: Prototypes by system/Nintendo GameCube (97 prototypes)

18 Wheeler: American Pro Trucker (Nov 12, 2001 prototype)

2 Games in 1: The SpongeBob SquarePants Movie / Battle for Bikini Bottom (Nov 10, 2005 prototype)

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

Aggressive Inline (Aug 6, 2002 prototype)

Aggressive Inline (Jul 29, 2002 prototype)

All-Star Baseball 2003 featuring Derek Jeter (Jan 16, 2002 prototype)

Assets/Gamecube/NintendoGamecubePreview

Assets/Mario Kart: Double Dash!!/Press Kit (French)

PlayStation 2

Subpage: Prototypes by system/PlayStation 2 (1426 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 (Aug 23, 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)

Xbox

Subpage: Prototypes by system/Xbox (685 prototypes)

007: Everything or Nothing (Jan 7, 2004 prototype)

007: From Russia with Love (Dec 5, 2005 debug build)

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

007: From Russia with Love (Sep 11, 2005 prototype)

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

007: Nightfire (Oct 18, 2002 prototype)

100 Bullets (Apr 22, 2004 prototype)

100 Bullets (Aug 6, 2004 prototype)

Seventh Generation

Nintendo Wii

Subpage: Prototypes by system/Nintendo Wii (207 prototypes)

Active Life: Explorer (Jun 9, 2010 prototype)

Active Life: Magical Carnival (Debug prototype)

Active Life: Magical Carnival (Nov 7, 2011 prototype)

Alien Syndrome (May 21, 2007 prototype)

Assets/Tornado Outbreak/August 28, 2007 Design Document

Assets/Tornado Outbreak/July 2006 Design Document

Astro Boy: The Video Game (Jul 27, 2009 prototype)

Big Top Circus (Prototype)

Xbox 360

Subpage: Prototypes by system/Xbox 360 (3077 prototypes)

'Splosion Man (Apr 24, 2009 prototype)

0 Day Attack on Earth (Oct 16, 2009 prototype)

007: Legends (Apr 12, 2012 prototype)

007: Legends (Apr 5, 2012 prototype)

007: Legends (Aug 24, 2012 prototype)

007: Legends (Aug 31, 2012 prototype)

007: Legends (Aug 7, 2012 prototype)

007: Legends (Jul 19, 2012 prototype)

PlayStation 3

Subpage: Prototypes by system/PlayStation 3 (502 prototypes)

Assets/LittleBigPlanet Media Assets

Asura's Wrath (Dec 2, 2011 prototype)

Battlefield 3 (Oct 1, 2011 prototype)

Beyond: Two Souls (Aug 20, 2013 prototype)

Beyond: Two Souls (Jun 9, 2013 prototype)

Beyond: Two Souls (Nov 6, 2012 prototype)

Blades of Time (prototype)

Build Database PS3 (A prototype)

Ninth generation

PlayStation 4

Subpage: Prototypes by system/PlayStation 4 (15 prototypes)

Bloodborne (Alpha Network Test/TGS Build)

LittleBigPlanet 3 (Sep 2, 2014 prototype)

Tony Hawk's Pro Skater 1+2 (May 23, 2020)

Video/WATCH DOGS/Sony Playstation 4 Stand Conference 2013

Nintendo Switch

Subpage: Prototypes by system/Nintendo Switch (9 prototypes)

Mario Kart 8 Deluxe (Oct 18, 2016 prototype)

Pokémon Sword (Dec 22, 2017 prototype)

Pokémon Sword (Mar 26, 2018 prototype)

Pokémon Sword (May 25, 2018 prototype)

Pokémon: Let's Go, Pikachu! & Let's Go, Eevee! (Feb 26, 2018 prototype)

Pokémon: Let's Go, Pikachu! & Let's Go, Eevee! (May 12, 2018 prototype)

Handhelds

Game Boy

Subpage: Prototypes by system/Game Boy (295 prototypes)

10-Pin Bowling (Game Boy prototype)

2097 ROM Pack II

2420 ROM Pack V

2440 ROM Pack

Alfred Chicken (Prototype)

Alien Olympics 2044 AD (Prototype)

Altered Space: A 3-D Alien Adventure (Feb 15, 1991 prototype)

Asterix (Localization prototype)

Game Boy Advance

Subpage: Prototypes by system/Game Boy Advance (318 prototypes)

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

3D Terrain (2001 tech demo)

AGB Aging Cartridge (1.0)

AGB Aging Cartridge (9.0)

Aardman Intro (Tech Demo) (prototype)

Ace Combat Advance (Prototype)

Advance Wars (iQue prototype)

Aero the Acro-Bat (Game Boy Advance prototype)

Game Boy Color

Subpage: Prototypes by system/Game Boy Color (226 prototypes)

3D Pocket Pool (Prototype)

AMF Bowling (Prototype)

Absolute X (Prototype)

All Star Tennis 2000 (Localization prototype)

All Star Tennis 2000 (Prototype)

All Star Tennis 2000 (Sep 13, 1999 prototype)

Alone in the Dark: The New Nightmare (February 21, 2001 prototype)

Alone in the Dark: The New Nightmare (Prototype)

Game Gear

Subpage: Prototypes by system/Game Gear (343 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 (11 prototypes)

Neo Geo Pocket Color

Subpage: Prototypes by system/Neo Geo Pocket Color (25 prototypes)

Big Bang Pro Wrestling (Prototype)

Bust-a-Move Pocket (Prototype)

Cool Cool Jam (Demo)

Dark Arms: Beast Busters (Prototype)

Densha de Go! 2 (Prototype)

Dive Alert (Prototype)

King of Fighters R-1 & Melon-chan no Seichou Nikki (Prototype)

King of Fighters R-2 (Prototype)

N-Gage

Subpage: Prototypes by system/N-Gage (45 prototypes)

Bomberman (May 27, 2004 prototype)

Catan (May 3, 2005 prototype)

Habbo Islands (Oct 27, 2006 prototype)

Sonic N (Sep 16, 2003 prototype)

Nintendo DS

Subpage: Prototypes by system/Nintendo DS (861 prototypes)

3D Action (prototype)

8Ball Allstars (Aug 15, 2008 Pool prototype)

8Ball Allstars (Feb 11, 2008 prototype)

8Ball Allstars (Feb 26, 2008 prototype)

A Boy and His Blob (Jul 21, 2005 prototype)

A Boy and His Blob (May 16, 2005 prototype)

A-Max Boxing (prototype)

A-Max Tennis (prototype)

Nintendo 3DS

Subpage: Prototypes by system/Nintendo 3DS (51 prototypes)

3D Challenge (Tech Demo) (E3 prototype)

Adventure Time: Hey Ice King! Why’d you steal our garbage?!! (Jul 20, 2012 Nintendo 3DS prototype)

Adventure Time: Hey Ice King! Why’d you steal our garbage?!! (Jun 19, 2012 prototype)

Adventure Time: Hey Ice King! Why’d you steal our garbage?!! (Jun 30, 2012 prototype)

Adventure Time: Hey Ice King! Why’d you steal our garbage?!! (May 11, 2012 prototype)

Big Hero 6: Battle in the Bay (Apr 24, 2014 prototype)

Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype A)

Cake-ya San Monogatari: Oishii Sweets o Tsukurou (Prototype B)

PlayStation Portable

Subpage: Prototypes by system/PlayStation Portable (191 prototypes)

2010 FIFA World Cup South Africa (Feb 10, 2010 German and French prototype)

2010 FIFA World Cup South Africa (Feb 10, 2010 Italian and Spanish prototype)

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)

Ace Combat: Joint Assault (Jun 11, 2010 prototype)

Ace Combat: Joint Assault (Jun 14, 2010 JP demo)

Adventures to Go! (Jun 12, 2009 prototype)

PlayStation Vita

Subpage: Prototypes by system/PlayStation Vita (41 prototypes)

LittleBigPlanet PS Vita (May 2012 Beta)

Persona 4: Dancing All Night (Jun 9, 2015 prototype)

Puyo Puyo Tetris (JP PS Vita demo)

Other

Arcade

Subpage: Prototypes by system/Arcade (6 prototypes)

Bubble Bobble II (Dec 13, 1993 prototype)

Mega Man: The Power Battle (Prototype)

Puyo Pop Fever (Sep 9, 2003 prototype)

SegaSonic Bros. (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 (805 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)

8 Kings (Nov 18, 2003 prototype)

Panasonic M2

Subpage: Prototypes by system/Panasonic M2 (3 prototypes)

Philips CD-i

Subpage: Prototypes by system/Philips CD-i (100 prototypes)

7th Guest (Feb 4, 1994 prototype)

Amparo Museum (Jul 24, 1992 prototype)

Arcade Classics (Sep 4, 1996 prototype)

Caesars World of Gambling (Feb 5, 1992 prototype)

Compton's Interactive Encyclopedia (Oct 27, 1992 prototype)

Creation for the Imagination (May 28, 1993 prototype)

Creation with Media Mogul (Jun 17, 1993 prototype)

Escape from CyberCity (Jul 8, 1992 prototype)

Other

Subpage: Prototypes by system/Other (15 prototypes)

Assassin's Creed II (Aug 19, 2009 prototype)

Nintendo E3 1999 (Press CD)

Nintendo E3 2000 (Press CD)

Undertale (Jun 7, 2013 demo)

Video/WATCH DOGS/Stand Ubisoft E3 2013

VCD

Subpage: Prototypes by system/VCD (2 prototypes)