Cheat Mode
Hold [L1] + [R1] and press [Down], [Circle], [Up], [Square], [Down], [Down], [Up], [Up] at the main menu. Release [L1] + [R1] and a "Cheat" option will appear at the main menu. Select the "Cheat" option, then enter one of the following case-sensitive codes to activate the corresponding cheat function:
8wonder - God mode
KKst0ry - Level select
GrosBras - One-hit kills
KK 999 mun - 999 ammunition
KKmuseum - Bonuses completed
lance 1nf - Unlimited spears (press [Reload] to get the spears)
KKcapone - Machine gun
KKtigun - Revolver
KKsh0tgun - Shotgun
KKsn1per - Sniper rifle