article: History of video game consoles (second generation)
links: Galaxian MHz Electronics LCD Intellivision Atari Q*bert ColecoVision Pac-Man Japan MOS Technology 6502 List of best-selling video games Magnavox Pac-Man (Atari 2600) Game & Watch IGN Vectrex Atari 5200 Backward compatibility Donkey Kong (video game) Mattel Frogger Nintendo Fairchild Channel F Galaga Space Invaders Pitfall! Milton Bradley Company Atari 2600 Asteroids (video game) Mario Bros.