All Characters In Versus Mode

At the "Press Start Screen" enter the following buttons; UP, DOWN, DOWN, RIGHT, RIGHT, RIGHT, LEFT, LEFT, LEFT, LEFT. Then hold CIRCLE and press START. Now you will be able to choose every Character in Versus mode.

Unlock Trial Mode

At the "Press Start Screen" enter the following buttons; UP, DOWN, DOWN, RIGHT, RIGHT, RIGHT, LEFT, LEFT, LEFT, LEFT. Then hold TRIANGLE and press START. You will now be able to select the Trial mode.

Unlock Max Power Mode

At the "Press Start Screen" enter the following buttons; L1, R2, L2, R2, L2. Then hold L1 and press START. This will Unlock Max Power mode, give you unlimited ammo, and every weapon.

Unlock Sudden Death Mode

At the "Press Start Screen" enter the following buttons; L1, R2, L2, R2, L2, TRIANGLE, CIRCLE, TRIANGLE, CIRCLE. Then hold L1 and press START. Now you can select Sudden Death Mode.