Cheat: Unlimited Ammo
Enter up, down, left, right, triangle, up, down, left, right, square during the game's intro movie.
Cheat: Double Your Health.
Enter up, up, left, left, right, right, circle, circle, down during the game's intro movie.
Cheat: Unlockable Characters
To unlock Yuri Complete 'Jimmer Collins' level
To unlock Viktor Complete 'Beginning Of The End' level
To unlock Mahl Complete 'Your man with the tatoo' level
Cheat: Unlock Everything
If you beat the game you'll unlock all the bonus features,
including all the characters and a Making Of video.