Arcade game Invaders", however, dealt a yet more powerful blow to the popularity of electro-mechanical games. In 1971 students at Stanford University set up the "Galaxy Game", a coin-operated version of the Spacewar video game. This ranks as the earliest known instance of a coin-operated video game. Later in the same year, Nolan Bushnell created the first mass-manufactured game, "Computer Space", for Nutting Associates. In 1972, Atari was formed by Nolan Bushnell and Ted Dabney. Atari essentially created the coin-operated video game industry with the game "Pong", the first successful electronic ping pong video game. "Pong" proved to be popular, but imitators
Nolan Bushnell Pizza Place, a competing Pizza/Arcade family restaurant, then purchased Chuck E. Cheese's Pizza Time Theatre and assumed its debt. The newly formed company, ShowBiz Pizza Time, operated restaurants under both brands before unifying all locations under the Chuck E. Cheese's brand by 1992. Today over 500 locations of this restaurant are in business. Bushnell founded Catalyst Technologies, one of the earliest business incubators. The Catalyst Group companies numbered in the double digits and included Androbot, Etak, Cumma, and Axlon. Axlon launched many consumer and consumer electronic products successfully, most notably AG Bear, a bear that mumbled/echoed a child's words back