Gamasutra has published our history of Robotron: 2084, Eugene Jarvis' ultimate twitch-game of 1982. Robotron's frantic gameplay, intense difficulty, and elegant control scheme made it a hit in the arcade and a favorite of countless retrogamers. The illustrated article compares the game with Jarvis' earlier hit, Defender, describes its gameplay in detail, and traces its roots and impact on later games such as Smash T.V. and Geometry Wars: Retro Evolved. Robotron's gameplay may be intimidating, but never too complex to grasp — with both hands!