Enter the following buttons On "Push Start" Screen.

Code	Effect
Circle, R2, R1, Triangle, X, Square, Right, L2, L1, Up, Down, Left	Unlock Addition Music For BGM Test
L2, L1, Up, Left, Down, Right, Square, X, Circle, Triangle, R1, R2	Unlock All Characters and Alternate Version For Each Character
L2, R2, L1, R1, Up, Triangle, Left, Right, Square, Circle, Down, X	Unlock Edit Trap Option
Left, L2, L1, Up, Down, Right, Square, R2, R1, Triangle, X, Circle	Unlock Change Save Icons Feature
R2, R1, Triangle, Circle, X, Square, Right, Down, Left, Up, L1, L2	Extra Outfits
Select (x12)	Unlock Extra Arena and BGM Test