Gran Trak 10 for two games to be played for a quarter rather than one. A placard on the front of the game gives suggested ratings for the score in a given game, from "License Revoked" for 10 or fewer points to "Real Pro" for greater than 40; the operator's manual suggests changing or removing this card if the time per game is adjusted. In the fall of 1973, Atari began work on a driving game, an idea founder Nolan Bushnell had wanted to do since the company was initially founded in June 1972 before it was shelved in favor of "Pong". The
Galaxy Game were well into development and had gotten permission to place the machine at the Tresidder student union building at Stanford as a test site. It was then that they received a call from Nolan Bushnell, who had heard of their project and wanted to show them his similar project he was working on. Bushnell had also played "Spacewar" during the 1960s and wanted to make an arcade game version of it, but had gone in a different technological direction. He and Ted Dabney had initially started with a US$4,000 Data General Nova computer which they thought would be powerful enough