Enter the codes at the credits screen.
| Invincibility | L1, Triangle, Up, Down, Circle, Circle, Triangle, Square, Right, Square |
| All weapons | L1, Triangle, Up, Down, Circle, Circle, Triangle, Square, Up, Circle |
| Max ammo | L1, Triangle, Up, Down, Circle, Circle, Triangle, Square, Left, Triangle |
| Extra ammo | L1, Triangle, Up, Down, Circle, Circle, Left, Left, L1, L2 |
| Easy kills with guns | L1, Triangle, Up, Down, Circle, Circle, Triangle, Square, Down, R1 |
| Easy kills | L1, Triangle, Up, Down, Circle, Circle, Triangle, Square, Down, L1 |
| Puzzles Completed | L1, Triangle, Up, Down, Circle, Circle, Up, Up, Up, Down |
| Rapid Fire | L1, Triangle, Up, Down, Circle, Circle, Down, Down, Down, Up |
| Expert mode | Down, Down, Down, Triangle, Down, Down, Down, Square, Left, Right |
king-of-games on Mar 07