Lost Atari

• 32 In 1(unreleased Polish Atari 2600 multicart)
• 3D Tic-Tac-Toe(lost Atari ST game)

• AC/DC: Defenders of Metal(unreleased Atari Jaguar game)
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  Adam Caveman(lost Commodore 64, & Atari 400 game)
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  Adidas Championship Football(lost Atari ST port)
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  Adventures of Max(cancelled Atari 2600 game)
• Aimpoint(lost Atari 2600 game)
• Arena Fight(lost Atari 2600 game by Home Vision)
• Around the World(lost Atari 2600 game by Home Vision)
• Atari 2600 multicarts
• Aterrizaje(lost Atari 2600 game)

• Bird Power(lost Atari 2600 game)
• Blow Out(lost Atari 2600 game)
• Blue Earth(cancelled Atari Lynx game)
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  Buggy Ball(supposedly cancelled Atari Jaguar game)

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  Cabal(lost Atari Lynx port)
• Candyland Surfing(cancelled Atari 2600 game)
• Comp-K7/A - Cartridge Expansion(lost Atari 2600 add-on)
• Convoy(lost ZX Spectrum, & Atari 8-Bit game)
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  Cosmic(lost Atari 2600 game)
• Count's Castle(cancelled Atari 2600 game)
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  Cumulus(cancelled Atari 2600 game)

• Dallas Pinball(lost Atari 8-Bit game)
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  Dazzler(unreleased Atari 2600 port of Century Electronics port)

• England's Glory(lost Atari 8-Bit, & ZX Spectrum ports)

• Festival Fun(lost Atari 8-Bit game)
• Football Soccer(unknown unlicensed variant of Champion Soccer on the Atari 2600)
• Friday the 13th(cancelled Atari 2600 game)
• Category:Funvision

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  Game Show Games (Atari 2600, 1983)
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  Garfield (Atari 2600 game, circa 1980's)
• Geled's Dungeon(lost Atari 8-Bit game)
• Geoduel(unreleased Atari Lynx game)
• Glutton(lost unlicensed variation of Fast Food on Atari 2600)
• Grid Warrior(lost Atari 8-Bit game)

• Handball(lost Atari 8-Bit game)
• Category:Home Vision
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  Hyper Power League Baseball(supposedly cancelled Atari Jaguar homebrew game)

• Impossible Mission(lost Atari 8-Bit game)
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  Iratan Supremacy(cancelled Atari Jaguar game)

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  Kylrbyte(Supposedly cancelled Atari Jaguar homebrew game)

• Land Protection(lost Atari 2600 game)
• Locomotive(cancelled Atari 2600 game)
• Looping(lost Atari 2600 port by Splice)

• Mad Spiker(lost Atari 8-Bit game)
• Mazy Match(lost unlicensed variant of Unknown Atari 2600 game by Datatech)
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  Miki Dog(lost Atari 2600 game)
• Mission Omega(cancelled Atari 2600 game)
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  Mogul Maniac(unreleased Colecovision port)

• NBA Handicapper 2(lost Atari 8-Bit game)
• Nuclear Rebound(lost Atari 8-Bit game)

• Other lost unlicensed variants of Atari 2600 games

• Play Farm(lost Atari 2600 game by Home Vision)

• Robin's Halloween(lost Atari 8-Bit game)

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  Sailer(lost Atari 2600 game)
• Scrabbit(lost Atari 8-Bit game)
• Sharp Wold(lost Atari 2600 game)
• Sky Blazer(unreleased Atari 2600 game)
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  Steel Talons(cancelled Atari 7800 port)
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  Stunt Car Racer(cancelled Atari Jaguar game)
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  Swordquest: Airworld (Unreleased 1980s Atari 2600 Game)

• Take-5(lost Atari 8-Bit game)
• Tank(unreleased Atari 2600 game by Imagic)

• Underworld(cancelled Atari 2600 game)
• US Road Signs(lost Atari 8-Bit game)

• Voleibol(lost unlicensed variation of Realsports Volleyball on Atari 2600)

• Waqual(lost Atari 8-Bit game)
• Water Torture(lost Atari 8-Bit game)