Pac & Pal is an arcade game released in 1983. It is Namco's official follow-up to Pac-Man and Super Pac-Man. This is perhaps the rarest Pac-Man title to even exist.
Pac-Man moves through a maze "eating" cards, two of which will reveal a bonus prize that must be eaten before Pal the green friendly ghost gets to it.
This installment puts a nice spin on the Pac-Man series. Pac-Man doesn't ever eat any ghosts in this game; he blasts them with the Galaga tractor beam, the smokescreen from Rally-X, musical notes, etc. There are no side exits on the screen, but there is an orange area in the center of the maze that slows down the monsters when they pass through it. The placement of the red monster on the bonus rounds is random, and it appears to not follow any pattern.
Only three doors can be unlocked at any given time. "Pal", the friendly green ghost, often steals the unlocked prizes and takes them to the monster base where they are lost forever.