A: Mountain View, California, United States
In November 1971 Nutting Associates of Mountain View, California, released the video arcade game Computer Space, created by Nolan Bushnell and Ted Dabney. It was an adaptation of Spacewar (1962).
Computer Space was the first commercially sold coin-operated video game, predating the Magnavox Odyssey by six months, and Atari's Pong by one year.