Enter the codes at the options screen.
Blizzaro | Up, Down, L1, Circle, Circle, R1, R2, L1 |
Pyro | Up, Down, Circle, Down, L2, Down, R1, L2 |
Rex | L2, R2, R1, Up, Square, R2 |
Tox | Circle, Up, Square, Circle, Square, R1, L1 |
Kostra | Up, Up, Square, L2, R2, L2, R2, Down |
Lunarr | Down, Down, L1, Up, Square, R2 |
Medium difficulty | Up, Square, R1, L2, L2, Up |
Hard difficulty | L2, Down, L1, R1 |
Expert difficulty | Square, Down, L2, Down, Circle, L2 |