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GameRadar has 20 cheats, tips, hints, unlockables, and FAQs for Oni for PS2.
Visit CheatCodes.com for more Oni cheats, or to submit your own cheat codes, hints, unlockables, or FAQs for Oni for PlayStation 2.
Unlimited Health: R3, L3, R3, Circle (If done right you will hear tone. To disable the code just enter it again.). ALSO reported as L2, L1, L2, Square, Circle, Square, R3, L3, R3, Circle. One Hit Kills: L3,R3,Circle,Square Mini Mode: L3,R3,Square,Circle Big Head: Start,Square,Circle,Start. ALSO reported as L2, L1, L2, Square, Circle, Square, Start, Square, Circle, Start Godzilla Mode: R3,Square,Circle,L3 Finish Level: L2, L1, L2, Square, Circle, Square, L3, R3, L2, L1 Power Mode: L2, L1, L2, Square, Circle, Square, R3, L3, Circle, Square Phase Cloaks Unlimited: L2, L1, Square, Circle, Square, L1, R3, L2, L3 Large Characters: L2, L1, L2, Square, Circle, Square, R3, Square, Circle, L3 Pick Character: L2, L1, L2, Square, Circle, Square, L2, L2, L2, L2. Press L2 to cycle through the characters.