The Punisher Cheats

On the second controller, you can insert a password sequence that will give you maximum ammunition for you depending on which weapon you have equipped. If you want the Assault Rifle filled, insert this password on the second controller: Up, A, A, A, A, Left, Left, Down. If you want the Sub-Machinegun filled, insert this password on the second controller: Right, A, B, B, B, A, Left, A.

The Punisher Cheat: Extra Bazooka Ammo

For 25 extra rounds, look for the wanted posters in the beginning of the game. When they appear, press A, B, B on Controller 2, Up, Up, Left, Down on Controller 1, then press A on Controller 2.

The Punisher Unlockable: Stage Select

At the main menu, insert the following password: B, A, B, Up, Down, Down, Right. This must be inserted on the second controller, not the first. Then, while playing the game, any stage can be skipped by simply pressing the Select button.