Cheats & Guides
Pac-Man Plus Cheats For Arcade Games
Enter service mode, then quickly turn it off and on once so that an alignment grid appears on the screen, hold down both start buttons and toggle service mode on and off quickly again so that grid remains on the screen. Next move the stick up, left, down, and right four times each to make a hidden message appear onscreen.
Contributed by: BinaryHedgehog