Batman: Arkham City cheats

Big head mode

Hold L1 + R1 and rotate the Right Analog-stickclockwise ten times. Repeat the code to disable its effect.

Select any unlocked skin

Select a saved game file. Then, press Left(2),Down(2), Left(2), Right, Up(2), Down at the main menu. A sound will confirm correct code entry. Continue your game, and all unlocked skins will be available for selection in Story mode without first completing the game.