Enter these codes in when the message Checking Memory
Card appears.
Quickly press L2(2), R2(3)
You get access to the level selection screen. Take out you memory card
first!
Pause the game during play and then enter these codes in.
When fighting as Boss character press L2(3), R2(3), Triangle(6)
This will weaken the Boss character
Press L2, R2, L2(3), R2(3), Circle, Triangle, Square, Circle, Triangle,
Square
Makes you invincible and gives you all items, plus you turn into a
skeleton.
Press R2(3), L2(3), R2(3), L2(6
Gives you all weapons.
L2(3 times), R2(3 times), L2(6times) you will receive a weapon, enter
this code again to get another weapon