Cheat mode:
Successfully complete all objectives in the single mission dossiers. 
The following codes can now be enabled. 

Invincibility (self):
Press Start to pause game play. Select the "Cheats" option, then press X(2), A, B, 
A at the cheat menu. Press Back to resume game play. Your first soldier will be 
invincible, but the remaining members of your platoon can still be harmed in single 
player mode. Note: You cannot complete the game normally when this code is 
active, as maps and dossier items can no longer be unlocked. Also, this code can 
be activated without first completing the single mission dossiers. 

Big heads:
Press Start to pause game play. Select the "Cheats" option, then press A, X, B, Y, 
A at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry.

Big bodies:
Press Start to pause game play. Select the "Cheats" option, then press B(2), Y, X
(2), A at the cheat menu. Press Back to resume game play. A message will 
confirm correct code entry. 

Chicken explosives:
Press Start to pause game play. Select the "Cheats" option, then press X(2), Y, A, 
B at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry. 

Paper mode:
Press Start to pause game play. Select the "Cheats" option, then press B, A, X, Y, 
A at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry. Characters will be two dimensional in this mode.

Slow motion:
Press Start to pause game play. Select the "Cheats" option, then press Y(2), B, X, 
A at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry.

Run fast mode:
Press Start to pause game play. Select the "Cheats" option, then press A(2), X, B, 
Y at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry.

High pitched voices:
Press Start to pause game play. Select the "Cheats" option, then press X, A, Y, B, 
X at the cheat menu. Press Back to resume game play. A message will confirm 
correct code entry. 

Hint: Cycle back through weapons:
To move back through the weapon selections, press Y. 

Hint: Single mission objective 17, Swamp Airfield:
Every time you kill a group of enemies, save the game. When you get killed, load 
the saved game and kill the person that got you.

Hint: Boost stats:
Start a private game in cooperative mode. Play the game on the elite difficulty 
setting with unlimited respawns and grenades. You will get a win and 45 kills 
easily. 

Hint: Monkey hit by car:
In the plantation level, go to the road and follow it until you get to a gate that 
blocks it off. Look at the ground to see a monkey that has been hit by a car.


Unlock Characters
J. Stone - Finish Special Objective in Campaign Mission 4 on any difficulty 
S. Grey - Finish Special Objective in Campaign Mission 5 on any difficulty 
B. Gordon - Finish Special Objective in Campaign Mission 6 on any difficulty 
W. Jacobs - Finish Special Objective in Campaign Mission 1 on any difficulty 
H. Ramirez - Finish Special Objective in Campaign Mission 2 on any difficulty 
K. Henkel - Finish Special Objective in Campaign Mission 3 on any difficulty 

A. Galinsky - Finish Special Objective in Campaign Mission 1 on Recruit during a 
Quick Mission in Mission Mode 

N. Tunny - Finish Special Objective in Campaign Mission 3 on Elite during a Quick 
Mission in Mission Mode 

L. Cohen - Finish Special Objective in Campaign Mission 4 on Recruit during a 
Quick Mission in Mission Mode 

D. Munz - Finish Special Objective in Campaign Mission 2 on Veteran during a 
Quick Mission in Mission Mode 

S. Ibrahim - Finish Special Objective in Campaign Mission 6 on Elite during a Quick 
Mission in Mission Mode

G. Osadze - Finish Special Objective in Campaign Mission 5 on Veteran during a 
Quick Mission in Mission Mode