What game was inspired by a pizza with a missing slice?

Toru Iwatani, a Namco empoyee, widely claimed that he was inspired to create Pac-man after receiving a pizza with a missing slice out of it. He later admitted in a 1986 interview that it was a half-truth. For more information about Pac-man and its legend, go to Answers.com: http://www.answers.com/topic/pac-man