The story takes place when Pac-Man was in his teenage days were he builds a ultra hard maze with Phineas and Ferb. The point is to control Pac-Man, Phineas or Ferb to eat all the dots in the maze as a usual Pac-Man game up to 28 levels. The boss level is a giant ghost they have to defet controlled by Candace. By the time the boss is beated Pac-Man had the best day of his life before he grows up to have a more exiting life. There is also a lecel like the original Pac-Man were Perry the Platypus is Pac-Man. Yup.