All known Atari 2600 games
686 games from Wikipedia, Wikidata, MobyGames and players' collections. Most are basic entries that list facts from public sources.
Games
- Obelix1984
- Off the Wall1989
- Off Your Rocker1991
- Oink!1983
- Okie Dokie1996
- Omega Race1982
- Open Sesame
- Oscar's Trash Race1984
- Othello1980
- Othello1986
- Out of Control1984
- Outer Space
- Outlaw1978
- Oystron1997
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