Computer game classic Pac-Man was first launched in 1980 in Japan, under the name Puck-Man, where it was an instant big hit. When the game was licensed for the US, the name was changed to Pac-Man so American kids would not be tempted to scratch off part of the P in the original name to make an F.
Following on in the Pac Man theme:
http://pacmanhattan.com/about.php is a large-scale urban game that utilizes the New York City grid to recreate the 1980's video game sensation Pac-Man.