The video game that started a revolution is turning 40 years old. Pac-Man debuted at a Tokyo movie theater arcade on May 22nd, 1980. The phenomenon took over arcades worldwide, spawned cartoons, cereals and toys and had sequels like Ms. Pac-Man and Super Pac-Man. Game designer Toru Iwatani was inspired to create Pac-Man after he removed a slice from a pizza. Genius. What is your favorite version of Pac-Man?