Press enter and type the following code: 

teamshadow:invisible team
teamgod:team god mode 
avatargod:god mode 

Have fun! 

Submitted by ali_husain36@hotmail.com


To activate cheats press ' in game and type them in:

TEAMGOD = Team God Mode
AVATARGOD = Player God Mode
STUMPY = Stumpy Mode On
CLODHOPPER = Enlarges Player's Feet and Hands
MEGANOGGIN = Mega Head Mode
BIGNOGGIN = Big Head Mode
5FINGERDISCOUNT = Refill Ammo
NOBRAINER = Turns AI Off
DEBUGKEYS = Debug Keys Enabled
SILENTBUTDEADLY = ?
FASTACTIONRESPONSETEAM = ?
TURNPUNCHKICK = Changes Players from 3D to 2D
1-900 = Heavy Breathing
EXPLORE = Victory Conditions On/Off

by unknown