Counter-Strike cheats and cheat codes for XBox

Single Player Cheat codes:
These only work for single player games (i.e., not Xbox Live).
While playing the game, pause the game, and enter the following codes:

Add 16,000 Credits 
UP, UP, DOWN, DOWN, LEFT, RIGHT 

Autoaim Toggle
DOWN, DOWN, DOWN, DOWN, UP, UP 

Big Heads 
UP, UP, LEFT, RIGHT, UP, DOWN 

IFF Glow 
RIGHT, RIGHT, RIGHT, UP, DOWN, LEFT 

Low Gravity 
UP, RIGHT, RIGHT, UP, UP, LEFT 

No Target Mode 
LEFT, RIGHT, RIGHT, LEFT, UP, DOWN 

Outfit Change 
LEFT, RIGHT, DOWN, UP, LEFT, RIGHT 

Player Clipping 
UP, DOWN, LEFT, RIGHT, DOWN, UP 

Silent Weapons 
Push B button and flip to another weapon, then flip back 
and the first weapon will be silenced.  

Vibrating subtitles
Enter the following case-sensitive cheat code as a profile name: "!!UNDONE!!"

Purple haired prodigy terrorists
Enter the following case-sensitive cheat code as a profile name: "PlumRugOfDoom"