Beat the game with Nox and Eve.
Beat the game with any character, then hold Select + Start to restart.
At the character selection screen, hold Select on controller two and press X, Circle, Square, Triangle, L1, L2, R1, or R2.
Each time you beat the game under one of the three difficulty settings, two additional levels become available, for a total of six new levels.
|Infinite Health P1||8006E176 00C8|
|Infinite Health P2||8006EDDE 00C8|