At the "Press Start" screen, press X, Y(2), X(2), Y(2) to enable cheat mode. Press Start and load or begin a new game. Then, enter one of the following codes to activate the corresponding cheat function:
Infinite health
Pause the game, then hold L + R and press Right.
Super strength
Pause the game, then hold L + R and press Left. Attack points will increase to 50,000.
Level skip
Pause the game, then hold L + R and press Down.
Clear Pause Screen
If you press X+Y at the pause screen, the pause message will vanish.