Asteroids (Atari 8bit - 1981)
Cover art (Source: signature found on the artwork)
Asteroids (Atari 2600 - 1981)
Cover art (Source: Art of Atari)
Battlezone (Atari 2600, PC Booter - 1983, VIC-20, C64, ZX Spectrum - 1984, Atari ST - 1986)
Cover art (Source: Art of Atari)
Defender (Atari 2600 - 1982)
Unused cover art (Source: Art of Atari)
Jungle Hunt (Atari 2600 - 1983)
Cover art (Source: Art of Atari)
Jungle Hunt (Atari 5200 - 1983, Apple II, PC booter, C64, TI-99/4A, ColecoVision - 1984)
Cover art (Source: Art of Atari)
Missile Command (Arcade - 1980, Atari 5200 - 1982, Game Boy - 1992)
Flyer illustration / Cover art, manual illustration (Atari 5200 version only) (Source: Art of Atari)
RealSports Soccer (Atari 5200 - 1982)
Unused cover art (Source: Art of Atari)
Zork (Apple II, TRS-80 - Personal Software release)
Cover art (Source: signature found on the artwork)
Asteroids (Atari 8-bit)
Asteroids (Atari 2600)
Battlezone
Defender
Jungle Hunt (Atari 2600)
Jungle Hunt (Atari 5200)
Missile Command
RealSports Soccer
Zork