Omar (USA) Atari 800 ROM ISO

Omega (1984)(SGM)[k-file] (USA) Atari 800 ROM ISO

Omaze (USA) Atari 800 ROM ISO

On Cue – Pool 87 (19xx)(-)[cr Mr. Bacardi] (USA) Atari 800 ROM ISO

On Cue – Snooker (19xx)(-)[cr Mr.Bacardi] (USA) Atari 800 ROM ISO

Omidor (1989)(P. Sabath)[cr John E.][k-file] (USA) Atari 800 ROM ISO

On-Track Computer Model Car Racing (1985)(Gamestar)[m Yogi][k-file] (USA) Atari 800 ROM ISO

One Life (USA) Atari 800 ROM ISO

One Man And His Droid (1986)(Mastertronic)(PAL)[k-file] (USA) Atari 800 ROM ISO

One For The Road (1985)(Analog)[k-file] (USA) Atari 800 ROM ISO

One On One (1983)(Electronic Arts)[k-file] (USA) Atari 800 ROM ISO

One_Moon_and_Two_Suns (USA) Atari 800 ROM ISO