Cheat mode: Successfully complete all objectives in the single mission dossiers. The following codes can now be enabled. Invincibility (self): Press Back, then press Back, A(2), B, X, Back 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. Alternately, after completing all 50 tasks, press Back and then press X(2), 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. Invincibility (team): Press Back, then press B, A, Y(2), A, B, X(3) for invincibility for everyone in your platoon. Big heads: Press Back then press A, X, B, Y, A during game play. A message will confirm correct code entry. Big bodies: Press Back then press B(2), Y, X(2), A during game play. A message will confirm correct code entry. Chicken explosives: Press Back then press X(2), Y, A, B during game play. A message will confirm correct code entry. Paper mode: Press Back then press B, A, X, Y, A during game play. A message will confirm correct code entry. Characters will be two dimensional in this mode. Slow motion: Press Back then and press Y(2), B, X, A during game play. A message will confirm correct code entry. High pitched voices: Press Back then press X, A, Y, B, X during game play. A message will confirm correct code entry.