Manhunt Codes -

God mode:
Finish the game under Fetish difficulty, then press (x2), , , , , , , (x2), , at the title screen. You will see the message "God Mode" will become visible at the bottom of the screen if you have entered the code correctly. But the game cannot normally be saved while this code is enabled.

Fully Equipped:
Press , , , , , , , at the main menu. Finish the Drunk Driving and Graveyard Shift levels to unlock this code. You will have all weapons.

Helium Hunters:
Press (x2), , , , , , at the main menu. Finish the Strapped for Cash and View Of Innocence levels to unlock this code. Enemies will have high pitched voices.

Invisibility:
Press (x3), , , , , at the main menu. Finish the Trained To Kill and Border Patrol levels to unlock this code.

Monkey Skin:
Press (x2), , , , , , at the main menu. Finish the Press Coverage and Wrong Side Of The Tracks levels to unlock this code.

Piggsy Skin:
Press , , (x2), , , (x2) at the main menu. Finish the Key Personnel and Deliverance levels to unlock this code.

Rabbit Skin:
Press , (x2), , (x2), , at the main menu. Finish the Kill The Rabbit and Divided They Fall levels to unlock this code.

Regenerate:
Press , , , , , , , at the main menu. Finish the Fueled By Hate and Grounds For Assault levels to unlock this code.

Runner:
Press (x2), , , , , , at the main menu. Finish the Born Again and Doorway Into Hell levels to unlock this code. This code allows unlimited sprint.

Silence:
Press , , , , , (x3) at the main menu. Finish the Road To Ruin and White Trash levels to unlock this code. Enemies will no longer be able to hear you.

Super Punch:
Press , (x3), (x3), at the main menu. Finish the Mouth Of Madness and Doing Time levels to unlock this code.