Cheat mode
The following codes are entered during game play in single player mode. They have no effect in multi-player or online modes.
Killer weapons
Press X(2), Up(2), L + R during game play.
Invincibility
Press Right, Left, Down, Up, L + R during game play.
Infinite weapons
Press Triangle(2), Down(2), L + R during game play.
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Mega guns
Press X, Triangle, X, Triangle, L + R during game play.
Health recharge
Press Triangle, X, Square, Circle, L + R during game play.
Play as Axel
Successfully complete the Russia mini-game in story mode.
Play as Cousin Eddy and Gene Ruttish
Successfully complete the L.A./Cousin Eddy mini-game in story mode.
Play as Crimson Fury
Successfully complete the Monaco mini-game in story mode.
Play as Dark Tooth
Successfully complete story mode in single player mode.
Play as Hammerhead
Successfully complete the Tokyo Rooftop mini-game in story mode.
Play as Mr. Slam
Successfully complete the L.A. mini-game in story mode.
Greece Deathmatch level
Successfully complete the Greece mini-game.
Egypt Deathmatch level
Successfully complete the Egypt mini-game.
Paris Deathmatch level
Successfully complete the Paris mini-game.
Rose Deathmatch level
Successfully complete the Rome mini-game.
Tokyo Streets Deathmatch level
Complete the Tokyo Streets mini-game.
Tower Tooth Challenge level
Successfully complete the game with any four characters. The Tower Tooth Challenge level will now be unlocked in challenge mode.