One of the most robust code sets in a video game. There is something for everyone. Note that some cheat codes will not appear in the list until activated via code input.
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All weapons (Main Game)
At the cheat screen enter: R2, Cross, L1, Square, R1, Circle, L2
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Big Head Duke
At the cheat screen enter: Square, Square, Cross, Circle, Circle, Cross, Square
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Big Head Enemies
At the cheat screen enter: Cross, Cross, R1, Cross, L1, Cross
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Double Damage (Main Game)
At the cheat screen enter: Square, Square, Square, Circle, Circle, Circle, Cross
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Ending FMV Sequence
At the cheat screen enter: Circle, R2, L1, Square, L2, Cross, R2
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First Person Camera
At the cheat screen enter: L2, R1, L1, R2, Circle, Cross, Square
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Start with Full Armor
At the cheat screen enter: L1, L1, R1, R1, Cross, Cross, Circle, Circle
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Start with Full Ego
At the cheat screen enter: R1, R1, Circle, Circle, L1, L1, R2
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Unlimited Ammo
At the cheat screen enter: L2, Circle, R2, Square, Circle, L2, R1
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Invulnerability
At the cheat screen enter: L1, Square, Circle, Circle, Square, L1, L2
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Invisibility (Main Game)
At the cheat screen enter: Square, Cross, Circle, Square, Cross, Circle, Square
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Level Select
At the cheats screen enter: Cross, Square, Square, Cross, Square, Circle
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Play Outtake Cinematics
At the cheat screen enter: L1, L2, R1, R2, Square, Square, Circle, Circle
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Tiny Head Duke
At the cheat screen enter: Square, Cross, Circle(x2), Cross, Square(x2)
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Tiny Head Enemies
At the cheat screen enter: Cross, L1, Cross, R1, Cross, Cross
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Temporary Invulnerability (Main Game)
At the cheats screen enter: L1, L1, L1, L1, L1, L1, R2
- Unlock All Cheats
At the cheat screen enter: L1, L2, R2, R1, L1, L2, R2, R1, L1, L2, R2, R1, L1, L2, R2, R1, Circle(x4), Cross(x4), Square(x4), Select(x4)
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Wacky Cinematics
At the cheat screen enter: L1, L2, R1, R2, Circle, Circle, Square, Square
