Activate the following cheats by entering the corresponding codes at the main title screen that displays "Press Start":
God mode (player one)
Press UP, X, SQUARE, CIRCLE, TRIANGLE, DOWN. In this mode, player one will not lose health and cannot die.
God mode (player two)
Press DOWN, CIRCLE, SQUARE, X, TRIANGLE, UP. In this mode, player two will not lose health and cannot die.
Press L2, SQUARE, X, SQUARE, X, R2. In this mode. every attack that lands on either warrior will sever a limb.
Sudden Death mode
Press SQUARE, R1, UP, DOWN, L1, X. In this mode, each warrior starts with no health. One hit finishes the match.
Press TRIANGLE, X(3), SQUARE, CIRCLE. In those mode. you can see all of the damage textures for each warrior. Warriors will continue to fight when their limbs are severed or they are decapitated. Players must win by cutting off both of their opponent's legs.