Any games released on the Atari 2600, a video game console released in 1977, are listed here.
Atari 2600 Cosmic Ark
Atari 2600 Fire Fighter
Atari 2600 3-D Tic-Tac-Toe
Atari 2600 Tank Plus (Combat)
Atari 2600 Othello
Atari 2600 Video Checkers
Atari 2600 Dragonfire
Atari 2600 Warplock
Atari 2600 Tennis
Atari 2600 Target Fun (Air-Sea Battle)
Atari 2600 Star Voyager
Atari 2600 Spider-Man
Atari 2600 Space War
Atari 2600 Space Cavern
Atari 2600 Super Challenge Baseball
Atari 2600 Seaquest
Atari 2600 RealSports Volleyball
Atari 2600 RealSports Soccer
Atari 2600 Pooyan
Atari 2600 Mario Bros.
Atari 2600 Lock 'n' Chase
Atari 2600 Galaxian
Atari 2600 Demons to Diamonds
Atari 2600 Brain Games