- ALL BONUSES:
AT PRESS START SCREEN, HOLD L1+L2+R1+R2, PRESS DOWN, UP, DOWN, UP, LEFT, RIGHT, LEFT, RIGHT.
- ALL UPGRADES:
AT PRESS START SCREEN, HOLD L1+L2+R1+R2, PRESS UP, UP, LEFT, LEFT, RIGHT, RIGHT, DOWN, DOWN.
- INFINITE HEALTH:
AT PRESS START SCREEN, HOLD L1+L2+R1+R2, PRESS UP, RIGHT, DOWN, LEFT, UP, LEFT, DOWN, RIGHT.
- INFINITE COMBO METER:
AT PRESS START SCREEN, HOLD L1+L2+R1+R2, PRESS LEFT, RIGHT, UP, DOWN, RIGHT, LEFT, DOWN, UP.
- DARK KNIGHT DIFFICULTY:
AT PRESS START SCREEN, HOLD L1+L2+R1+R2, PRESS DOWN, LEFT, RIGHT, UP, UP, RIGHT, LEFT, DOWN.