Cheat mode:
Press A, B, Y, X on controller two during game play. Press A on
controller one to display a cheat number in the top left corner of the
screen. To increase the cheat number, press A, B, Y, X, B (or X) on
controller two, The cheat number corresponds to the following effects:
1 - Invincibility
2 - No damage
3 - Invincibility
4 - Unlimited weapons
5 - Unlimited weapons and invincibility
6 - Unlimited weapons and no damage
