period TWO By flyingspur Period: Jan 1, 1975 to Jan 1, 1984 Period Two Sep 11, 1977 Atari 2600 *console* RELEASED Atari 2600 wiki Atari 2600 commercial circa 1981 The Atari 2600 was a plug and play hardware device that used ROM cartridges containing game code. Jun 1, 1978 'Space Invaders' *arcade game* RELEASED by Taito Space Invaders wiki Space Invaders arcade demo Oct 1, 1979 Activision *third party developer* Founded Activision wiki Activision 'Pitfall' commercial circa 1982 Nov 12, 1979 'Asteroids' *arcade game* RELEASED by Atari Asteroids wiki Asteroids arcade demo Jan 1, 1980 Mattel Intellivision *console* RELEASED Intellivision wiki Intellivision commercial circa 1981 May 22, 1980 'Pac Man' *arcade game* RELEASED by Namco Pac Man wiki Pac Man arcade demo Aug 1, 1982 ColecoVision *console* RELEASED ColecoVision wiki ColecoVision commercial circa 1982 Aug 1, 1982 Commodore 64 *gaming computer* RELEASED Commodore 64 wiki Commodore 64 commercial circa 1983