Ms. Pac-Man (ミズパックマン lit. Mizu Pakkuman) is an arcade game developed by Midway Games and released in January 1982. It is the sequel to Pac-Man and was officially labeled as an official game in the series by Namco. The game sold 115,000 cabinets, making the game the most successful American-designed arcade video game. Ms. Pac-Man was never released in Japan until Namco Museum Vol.3 in 1996.