The Simpsons Game cheats on ps2?

Answer 1

Cheat: Infinite Power

Head to the extras section of the main menu and insert the following code, which will give each of your characters infinite power: Circle, Left, Right, Circle, Square, L1.

Unlockable: Lisa Outfits & Trophies

To unlock all Lisa-related outfits and trophies, insert the following code while browsing the main menu: Square, Triangle, Square, Square, Square, L3 (click left analog stick).

Unlockable: Marge's Outfits & Trophies

To unlock all of Marge's trophies and outfits, head to the game's main menu and insert the following password: Triangle, Square, Triangle, Triangle, Square, R3.

Unlockable: All Movies

To unlock all in-game movies automatically, insert the following button combination at the game's Extras menu: Square, Left, Square, Right, Circle, R1.

Unlockable: All Clichés

To unlock all of the Clichés in the game, head to the in-game extras menu and insert the following password: Left, Square, Right, Circle, Right, L1.

Unlockable: Homer Outfits & Trophies

To unlock all Homer-related outfits and trophies, insert the following code while browsing the main menu: Right, Right, Left, Left, Down, Down

Answer 2

If you want unlimited power for all characters, go into Extras an enter Circle, Left, Right, Circle, Square, L1.