Nolan Bushnell and Atari engineer Al Alcorn placed a prototype of their game in Andy Capp's Tavern, a Sunnyvale, California bar. Alcorn began work a home version of Pong. His project was code named "Darlene" after a female coworker who worked with Alcorn at the time. In the fall of 1974, Alcorn began developing the "Darlene" system. Several months later, Atari released Home Pong.