CheatCodes.com has all the official Monsters, Inc. PS2 cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 25, 2013 for Monsters, Inc. are shown below. We also have this game on PlayStation 2, Game Boy, Game Boy Advance, and sometimes tricks from other game systems will also work on PlayStation 2.
When you have Boo and you want to drop her, press the O Button. That will drop her.
To scare monsters for hidden stuff, go right up to them and press the square button.
Found some tricks that we don't have? Got some helpful hints, tips, or tactics we don't know about? Tell us and you could win a free PlayStation 2 game (or any other game you want for any video game system)!