The Simpsons Game Cheat Codes
Unlock all costumes and trophies.
Enter the following code while at the main menu. Costumes can be used and trophies viewed during the current gameplay session only.
Cheat Effect
Square, Triangle, Square, Square, Square, L3 Unlock all Lisa's costumes and trophies.
Triangle, Square, Triangle, Triangle, Square, R3 Unlock all Marge's Costumes and Trophies
Right, Left, Square, Square, Triange, R3 Unlocks Bart's Costumes and Trophies
