At the title screen, hold down the Start button and tap the following buttons in order: Y, A, B, B, Y, A, X, B, X, B. This enables cheat mode.
Now you can press X to get the level select menu.
You can also, at any point within the game, access the following cheats.
Effect Code All Inventory, Weapons, Health, Ammo Left Trigger + Start + A God Mode Left Trigger + Start + X Level Skip Left Trigger + Start + Y
Contributed By: Psycho..
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
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If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.