Cheats for The Simpsons Game on PS2.
From the main menu, go to the Extras menu and enter one of the following cheats to unlock the corresponding effect. If you entered the cheat correctly you will hear Bart laugh.
Circle, Left, Right, Circle, Square, L1.
Gives all your characters unlimited power.
Left, Square, Right, Circle, Right, L1.
Unlocks all Clichés.
Square, Left, Square, Right, Circle, R1.
Unlocks all Movies.