Collect all of the Special Item Collectables and place them in their required pillar to unlock certain special Challenges in the game.

Axe Extender Challenge 4 - Collect all Priest's Amulets
Gauntlet Extender Challenge 4 - Collect all Emperor's Coins
Sword Extender Challenge 4 - Collect all Titan Tablets
Sword, Axe, Gauntlet Challenge 4 (Choose your Ultimate Weapon) - Have All
Special Item Collectables collected

Cheat List:
You must first Finish all mission objectives in the single player game before the cheats become available. Then, during gameplay, press BACK, then press the following buttons to activate the corresponding cheat:

Big Heads: A,X,B,Y,A
Big Bodies: B,B,Y,X,X,A
Chicken Explosives: X,X,Y,A,B
Paper Mode: B,A,X,Y,A
Slow Mo: Y,Y,B,X,A
High Pitched Voices:X,A,Y,B,X
Unlock Characters:
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

Walls and barriers:
You cannot hide behind walls or barriers in first person view unless you plan on staying at that location for awhile. Unlike third person view where you can just tap Y to automatically hide, you must hold [Y] in first person view to hide. Press [Up] to look over a barrier or to open fire. Press [Left] or [Right] (depending on how you are positioned) to look out.

Slip and slide:
When you are running and suddenly get fired upon, quickly tap the [Left Analog-stick]. You will slide along the ground. If you are running and click and hold the [Left Analog-stick], you will do a sort of belly flop and slide on your stomach.

Invincibility (self):
Select the "Enter Cheats" option at the main menu, then press B(2), X, A. Your first
soldier will be invincible, but the remaining members of your platoon can still be
harmed.

Invincibility (team):
Select the "Enter Cheats" option at the main menu, then press B(2), X, B.

Refill ammunition:
Select the "Enter Cheats" option at the main menu, then press B(2), X(2).

Autowin:
Select the "Enter Cheats" option at the main menu, then press B(2), X, Y.

Unlock Cheat Mode:
To unlock Cheat Mode, finish all objectives in the single player missions. Once Cheat Mode is unlocked, the cheats will be made available.

Fat Players:
Hold BACK and press B, B, Y, X, X, A.

Team God Mode:
Unlock Cheat Mode, then press and hold BACK, and press B, A, Y, Y, B, A, X, X, X. You will not be able to complete the game with this cheat enabled.

Big Heads:
Hold BACK and press A, X, B, Y, A during game play. A message will confirm correct code entry.

Bunker Brush Glitch:
In multi-player map number 8 (the POW camp) head into one of the bunkers you need to duck to go into. Occasionally, if you stand up you will be able to see and fire though the bunker's walls. This makes you almost invulnerable to return fire.

Maximum plasma:
Hold L + R and press X, Y, X, Y.
Level skip:
Hold R + L and press X(4) at the level selection screen. Hold R to skip a level or group
of levels.

Unlock Lil Mona:
Beat Career Mode with Trica Allen

Unlock Old School:
Beat Career Mode with Flow On

Wizard: Easy experience:
To easily level up with the Wizard, go to the Imperial Palace level. Towards the end is a room with endless red beasts, and you must find the Magic Key in it. These beasts are extremely easy to kill. Go in to the center of the room and repeatedly use the Path Of Sky attack by pressing A. The beasts will keep appearing, and you will continue to gain experience. This works best with a controller with a auto-fire feature.

Cheat Codes:
Enter the following as your name:
INVULN - Infinite Life
PURPLE - Infinite Turbo
ALLFUL - Infinite Potions and Keys
MENAGE - Permanent Triple Shot
REFLEX - Permanent Reflect Shot
1ANGEL - Permanent Anti-Death Halo and Levitation
SSHOTS - Permanent Super Shot
EGG911 - Permanent Pojo
XSPEED - Extra Speed
QCKSHT - Faster Shots

Hint: Secret Sword:
The secret sword is available after Jabez's betrayal. Once you reach his ship you will once again be able to run about the island. Go to the shop with the cannon outside. Jump on the cannon then into the open window. Inside, you'll find the secret sword in a box.