Gobble gobble: Pac-Man turns 40

Forty years ago, a new video game featuring a bright yellow, dot-chomping, ghost-dodging character called Pac-Man appeared in Tokyo. It would become the most successful arcade game of all time. The hero — shaped like a mouth opening and closing — races around a maze noisily gobbling dots and occasionally fruit for extra points, all the while avoiding four cunning ghosts named Blinky, Pinky, Inky and Clyde. As every Pac-Man player knows, the…