All Cheats:

Got to Cheat menu and press L1, L2, R2, R1, L1,
L2, R2, R1, L1, L2, R2, R1, L1, L2, R2, R1, 
Circle, Circle, Circle, Circle, X, X, X, X, 
Square, Square, Square, Square, Select, Select, 
Select, Select.