Cheat mode:
Complete the following campaign missions to unlock cheat modes:
Big Head Mode
Finish Mission 7 in Defend Mode on Recruit. You must use a full team
and none of your team-mates must die
Chicken Mode
Finish Mission 8 in Firefight Mode on Veteran. You must use a full team
and none of your team-mates must die
Helium Mode
Finish Mission 4 in Defend Mode on Veteran using only one soldier
Paper mode:
Finish Mission 6 in Firefight Mode on Veteran using only one support soldier
Faster run
Finish Mission 1 in Recon Mode on Elite using a full team
Slo-Mo Mode
Finish Mission 5 in Recon Mode on Elite. You can only use one soldier
Unlock characters:
Complete the following special objectives in the indicated campaign mission
to unlock new characters:
Finish mission 1 on Recruit during a Quick Mission in Mission Mode: A. Galinsky
Finish mission 6 on any difficulty: B. Gordon
Finish mission 2 on Veteran during a Quick Mission in Mission Mode: D. Munz
Finish mission 5 on Veteran during a Quick Mission in Mission Mode: G. Osadze
Finish mission 2 on any difficulty: H. Ramirez
Finish mission 4 on any difficulty: Jack Stone
Finish mission 3 on any difficulty: Klaus Henke
Finish mission 3 on Elite during a Quick Mission in Mission Mode: Nigel Tunny
Finish mission 6 on Elite during a Quick Mission in Mission Mode: Scott Ibrahim
Finish mission 5 on any difficulty: Susan Grey
Finish mission 1 on any difficulty: W. Jacobs
Boost stats:
Start a private game in cooperative mode. Play the game on the elite mode
with unlimited respawns and grenades. You will get a win and 45 kills easily.
Cheat mode:
Finish all objectives in the single mission dossiers, after you can
use the following cheat codes:
Giant heads:
Pause the game play by pressing the Start button, choose the "Cheats"
selection, and push A, X, B, Y, A buttons at the cheat menu. Hit Back button
to resume the game. If the code is accepted, you will see a message.
Faster run:
Pause the game play by pressing the Start button, choose the "Cheats"
selection, and push A, A, X, B, Y buttons at the cheat menu. Hit the Back
button to resume the game. If the code is accepted, you will see a message.
Enable slow-motion mode
When pause the game play, choose the "Cheats" selection, and push
Y, Y, B, X, A buttons at the cheat menu. Hit the Back to resume the game.
If the code is accepted, you will see a message.
Invincibility (self):
Pause the game play by pressing the Start button, choose the "Cheats"
selection, then push X, X, A, B, A buttons at the cheat menu. Hit the Back
buttons to resume game play. Your first soldier will be invincible. The
other team members still be harmed in single player mode.
Note: You cannot finish the game normally once the code is actived.
This code can be activated without first completing the
single mission dossiers.
Change the voices:
Pause the game play by pressing the Start button, choose the "Cheats"
selection and push X, A, Y, B, X buttons at the cheat menu. Push the
Back button to continue the game. If the code is accepted, you will
see a message.
Fat player:
Pause the game play by pressing the Start button, choose the "Cheats"
selection and push B, B, Y, X, X, A buttons at the cheat menu. Push
the Back button to continue the game. If the code is accepted, you
will see a message.
Enable chicken explosives:
Pause the game play by pressing the Start button, choose the "Cheats"
selection and push X, X, Y, A, B buttons at the cheat menu. Push the
Back button to continue the game. If the code is accepted, you will
see a message.
Enable Paper mode:
Pause the game play by pressing the Start button, choose the "Cheats"
selection and push B, A, X, Y, A buttons at the cheat menu. Push the
Back button to continue the game. If the code is accepted, you will
see a message.
