The earliest known gaming competition occurred on 19 October 1972 at Stanford School for the game Spacewar.[15] Stanford students were asked to the "Intergalactic spacewar olympics" whose grand reward was a year's registration for Rolling Rock, with Bruce Baumgart receiving the five-man-free-for-all competition and Tovar and Robert E. Maas receiving the Team Competition.[16] The Space Invaders Championship organised by Atari in 1980 was the initial large scale gaming competition, appealing to more than 10,000 members across the United States, establishing competitive games as a mainstream hobby.[17] In the summer of 1980, Walter Day founded a higher report record keeping company called Twin Galaxies.[18] The business continued to help promote video games and publicize its records through publications such as the Guinness Book of World Files, and in 1983 it created the U.S. Country wide Video Game Team. The team was involved in competitions, such as working the Video Game ...