Unlock the Demo Level
At the ''Start Screen'' press:
Up, Down, Right, Left, X, X, X
You will now be able to play the level that was available on the free Demo disc prior to the game's release.
Unlock Bonus Stage
At the Title Screen press:
L1, Up, R1, Down, L2, Right, R2, Left
Restore Health
Pause game and then press:
Up, down, Right, Left, Square, Square, Square
Increase Items
At the Item Selection Screen hold R2 + L2 while pressing:
Square, Square, Square, Up, Left, Down, Right
Unlock All Missions
At the Mission Selection Screen press:
L1, R1, L2, R2, Right, Square, L3, R3
Unlock all Characters
At the Title Screen press:
L1, R2, L2, R1, Right, Left, L3, R3
Unlock All Layouts
At the Mission Selection Screen press:
R3, L3, R2, L2, R1, L1
Unlock all Items
At the Item Selection screen hold R1 + L1 while pressing:
Up, Square, Square, Left, Square, Square, Down, Square, Square, Right, Square, Square.
