Ghost Recon Cheats

While you're playing the game, hold Back and enter the following codes:

Chicken Heads - X, X, Y, A, B
Big Heads - A, X, B, Y, A
Helium Mode - X, A, Y, B, X
Flat Characters - B, A, X, Y, A

Medals

Purple Heart - Get wounded or killed in action.
Bronze Star - Get 15 kills
Silver Star - Get 20 kills
Distinguished Service Cross - Get 25 kills
Congressional Medal Of Honor - Get 30 kills

Invincibility
Press Back and then press X, X, A, B, A during game play. A message will confirm correct code entry. Your first soldier will be invincible, but the remaining members of your platoon can still be harmed. Note: You cannot complete the game normally when this code is active, as maps and dossier items can no longer be unlocked.