This page contains Batman: Arkham City Unlockables for Xbox 360 called "Unlock Big Head Mode" and has been posted or updated on Nov 17, 2011 by icedrakonae. Let us know what you think of this Unlockable by thumbs voting.
Unlock Big Head Mode
For this you have to pull out Cryptographic Sequencer, now hold both LB and RB and circle the same time the left and right Analog Stick clockwise to make batman's head bigger.
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Batman: Arkham City expert then please try to help others with their questions.