Cheat mode:
Press ~ during game play to display the console window. Type /cheatcheat and press [Enter] to enable cheat mode. Then, enter one of the following codes at the console window and press [Enter] to activate the corresponding cheat function.

Effect
 Code
 
God mode, unlimited ammunition, and flight mode 
 /ac
 
Toggle God mode
 /godmode 
 
Toggle invisibility
 /invis 
 
Toggle flight mode
 /fly 
 
Toggle unlimited ammunition
 /ammo 
 
Toggle enemy field of view
 /fovs 
 
Win current mission
 /winmission 
 
Lose current mission
 /losemission 
 
Toggle Hitler mode
 /hitlermode 
 
Toggle astar path rendering
 /astar 
 
Toggle arrival point rendering
 /arrival 
 
Unknown
 /dogmode
 
Unknown
 /give
 
Unknown
 /stats
 
Unknown
 /cvdraw
 
Unknown
 /pathdraw
 
Unknown
 /noint
 
Unknown
 /wpcondraw 
 
Unknown
 /wpdraw