Go to the start screen and press Circle, Up, Square, Triangle, Right, Down. A gunshot
will indicate correct code entry.
R1, R1, R1, L1, L2, L1, L1, R1, Triangle, Square, X.
Square, Triangle, Down, Down, Up, Up, Left, Square, Circle, Down.
Unlock All Cheats
At the title screen, press Circle, Up, Square, Triangle, Right, Down. If you do it correctly, you will hear a confirmation sound.