Rename your profile these case-sensitive codes:
|PlumRugOfDoom||Prodigy terrorists have purple streaks in their hair|
Pause the game and enter the following codes. NOTE: These will not work in Xbox Live games.
Up, Up, Down, Down, Left, Right.
Up, Right, Right, Up, Up, Left.
Untargetable by enemies:
Left, Right, Right, Left, Up, Down.
Identify friends or enemies:
Right, Right, Right, Up, Down, Left.
Big head mode :
Up, Up, Left, Right, Up, Down.
Left, Right, Down, Up, Left, Right.
Up, Down, Left, Right, Down, Up.
Down, Down, Down. Down, Up, Up.
Thanks to Revolution readers Big Toe and mountsander!