At the title screen press the following buttons and if the code works you will hear a sound confirming it. Weapon Select: L2, R2, L1, R1, up, down, down,up.( When the game starts hold the square and press the triangle.)MoreLives: L2, R2, L1, R1, down, up, up, down.
At the menu select screen press L2,R1Left,right,circle,square,R2. It will going to give you the screen for select a stage.
