Copyright and video games between the games were limited to the plaintiff's ideas. According to the court the similarities, "were inevitable given the requirements of the idea of a game involving a spaceship combating space rocks and given the technical demands of the medium of a video game." In Atari v. North American Philips Consumer Electronics Corp. (1982) the 7th Circuit wrote that "no plagiarist can excuse the wrong by showing how much of his work he did not pirate." This was said in the context of the fact that, "while a game is not protectable by copyright as such, this kind of work
Early history of video games determine interest and optimal per-game pricing. Only prototype units were ever built, though the second prototype was adapted to run up to eight games at once; a few months before the initial installation at Stanford in November 1971, the pair met with Nolan Bushnell, who informed them of his own game he was making for a much lower price. That game was "Computer Space", developed by Bushnell and Ted Dabney. They had found the Data General Nova, a US$4,000 computer that they thought would be powerful enough to run four games of "Spacewar" at once; the computer turned out to