Big Headed Characters

• To obtain characters that have a bigger head, hold the left shoulder button down when you are in the pause menu at then hit the following key sequence: B, X, A, Y, left thumbstick, Y, A, X, B, right thumbstick.
  
  

One Shot Kill

• To be able to kill in one shot, open up your pause menu to open this code, while holding down the left shoulder button: Left thumbstick, right thumbstick, left thumbstick, right thumbstick, A, B, left thumbstick, right thumbstick, left thumbstick, right thumbstick, X, and Y.
  
  

Turn on Tracers

• When you are on Xbox live playing a game and you are the host, you can turn on multi-player tracers by pressing start and then hold LB, left stick twice, A, right stick twice, B, left stick twice, X, right stick twice, and then Y.