Cheats & Hints
Pac-Man World 3 Cheats & Codes
At the menu screen (the one with new game, load game etc) input the following code to unlock all the levels and all of the 3D maze games.
Note that the code must be entered quickly.
|left, right, left, right, circle, up||level select/maze select|
|X, L1, R1, O, O, R2||Pacman's punch will upgrade|