Invincibility:
Press L, R, L, R, L, R, L, R at the main menu. A message at the bottom of the
screen will confirm correct code entry.
Unlimited ammunition:
Press White(4), L, R at the main menu. A message at the bottom of the screen
will confirm correct code entry.
Level select:
Press X, Y, White(2), X, Y, White(2) at the main menu. A message at the bottom
of the screen will confirm correct code entry.
Flame on:
Press X, Y, B, X, Y, B at the main menu. A message at the bottom of the screen
will confirm correct code entry.
Unlimited Hero Time:
Press B, X, Y, White, R, L at the main menu. A message at the bottom of the
screen will confirm correct code entry.
Liquid metal textures:
Press B, Y, X, B, Y, X at the main menu. A message at the bottom of the screen
will confirm correct code entry.
Big heads:
Press R(2), L, R at the main menu. A message at the bottom of the screen will
confirm correct code entry.
Small heads:
Press L(2), R, L at the main menu. A message at the bottom of the screen will
confirm correct code entry.
Pin heads:
Press L(2), R, L at the main menu. A message at the bottom of the screen will
confirm correct code entry.
Exploding fists:
Press B, X, R(2) at the main menu. A message at the bottom of the screen will
confirm correct code entry.
Hot fists:
Press X, B, Y, L(2) at the main menu. A message at the bottom of the screen
will confirm correct code entry.
Exploding bullets:
Press L, R, White, Y, B at the main menu. A message at the bottom of the
screen will confirm correct code entry.
I Got The Power mode:
Press White, B, White, B, White, B at the main menu. A message at the bottom
of the screen will confirm correct code entry. All characters in the game will
have blue electrical energy flowing all over their bodies. It also seems to
give your weapons more knockdown power.
Sites: