Quadrun (originally sold only by mail order through the Atari fan club)
Atari | Atari ST | Atari 2600 | Atari 8-bit family | Atari Lynx | Atari Jaguar | Flashback Records | Atari Games | Atari Falcon | Kousuke Atari | Shosh Atari | On the Atari 2600, multicolor sprites – such as the duck in the 2010 homebrew game ''Duck Attack! | Flashback Weekend | E.T. the Extra-Terrestrial (Atari 2600) | Atari TT030 | Atari's | Atari Jaguar CD | Atari Coldfire Project | Atari 8-bit computer software | Atari 5200 |