To get started hit ENTER.Then tipe one of
the following: 

Refill inventory =5fingerdiscount 
Avatar god mode =Avatargod 
Big head mode =bignoggin 
Clodhopper =clodhopper 
Mega head mode =meganoggin 
monocle mode =monocle 
invisible mode =theshadowknows 
Team invisible =teamshadow 
team god mode =teamgod 
Stumpy mode =stumpy 
Fart mode =silentbutdeadly 

Well have fun! 

Submitt by Alaistair Millan.


Press "Enter" during game play to display the 
communication window. Then, enter one of the 
following codes to activate the corresponding 
cheat function.

Effect:                       Code:
Heavy breathing               1-900 
Refill inventory              5fingerdiscount 
Map draw AI plan colors       aiplancolors 
Map draw AI alertness colors  alertnessstatecolors 
Avatar god mode               avatargod 
Map draw AI aware colors      awarenessstatecolors 
Map draw AI behavior colors   behaviorcolors 
Big head mode                 bignoggin 
Clodhopper mode               clodhopper 
Map draw AI combat state col. combatstatecolors 
Map draw cover points         coverpoints 
Suicide                       death
Debug keys activated          debugkeys 
Map draw plan                 drawplan 
Victory conditions            explore 
Map draw level maps           levelmaps 
Mega head mode                meganoggin 
Monocle mode                  monocle 
Disable AI                    nobrainer 
Map draw AI normal colors     normalcolors 
Map draw object walls         objectwalls 
Map draw obstacle walls       obstaclewalls 
Map draw AI panicked colors   panickedcolors 
Map draw path point links     pathpointlinks 
Wounding shots kill           wounddeath 
2D players                    turnpunchkick 
Map draw                      threatawarenesscolors 
Invisible mode                theshadowknows 
Map draw test plan            testplan 
Team invisible mode           teamshadow 
Team god mode                 teamgod 
Stumpy mode                   stumpy 
Fart mode                     silentbutdeadly 
Map draw AI ROE colors        roestatecolors 
Map draw path points          pathpoints 

by unknwon