Unlock Hidden CharactersAdded 7 Dec 2010, ID #15619
The following hidden playable characters become available when you type in the corresponding case sensitive code at the 'Character' selection screen. You will hear a confirmation sound when the code has been entered correctly.
Unlock Brownie Press RB, RB, RB, B, B, B, X and select Meat Boy (requires an Xbox 360 controller)
Unlock Tofu Boy: Type 'petaphile' and select Meat Boy