Imagine going to an arcade and watching someone play PAC-MAN for the first time. Over time, you'd figure out the game's basic parameters -- how PAC-MAN moves through a maze, that he can't move through ...

After Pac-Man’s release 40 years ago, the game became so popular it spawned everything from children’s cartoons, to hit pop songs, and a never-ending string of sequels and clones that persist to this ...