Unlimited Ammo:
At the main menu, hold L + R and press Up, Left, Down, Right, X.
All Chapters:
At the main menu, hold L + R and press Down, Left, Down, Y, Down.
Unlock Hard Boiled mode:
At the main menu, hold L + R and press Y, B, Left, Left, X.
Unlock Precursor mode:
At the main menu, hold L + R and press Up, Up, Down, Down, Up.
Unlimited Shotgun:
At the main menu, hold L + R and press Right, X, X, X, B.
Dual guns:
At the main menu, hold L + R and press Y, X, Up, Up, Up.
All Disarms:
At the main menu, hold L + R and press B, B, X, X.
Less accurate enemies:
At the main menu, hold L + R and press B, Left, Y, Up, Down.
One Hit Kills:
At the main menu, hold L + R and press Down, X, Left, Left, Left.
Sharpshooter mode:
At the main menu, hold L + R and press B, B, B, Down, Right.
Bang Bang mode:
At the main menu, hold L + R and press X, Y, B, X, Right.
Harder mode:
At the main menu, hold L + R and press B, Y, Left, Up, Right.
Shadow have unlimited stamina:
At the main menu, hold L + R and press X, B, Y, X, Down.
Unlimite Adrenaline:
At the main menu, hold L + R and press Left, Right, Left, X, B.
Unlimited armor:
At the main menu, hold L + R and press Up, Up, Up, B, Down.
Unlimited dual Guncons:
At the main menu, hold L + R and press Y, X, Up, Up, Up.
Hhuman shields have unlimited health:
At the main menu, hold L + R and press B, Y, X, Y, B.
Powered-up punches and kicks:
At the main menu, hold L + R and press Y, X, X, X, Left.
Double melee attack damage:
At the main menu, hold L + R and press X, X, X, Up, Up, B.
Disarmed Enemies:
At the main menu, hold L + R and press Right, B, Left, X, Y.
Invisibility:
At the main menu, hold L + R and press Y, Y, Up, Up, Y.