Press ~ during game play to display the console
window. The enter one of the following codes to activate the corresponding
cheat function.

Code
Toggle enemy God mode aigodmode <0 or 1>
Toggle protectee God mode aiprotectprotectee <0 or 1>
Toggle God mode god <0 or 1>
Toggle enemy AI cannot hear you aidisableears <0 or 1>
Toggle enemy AI cannot see you aidisableeyes <0 or 1>
Toggle no clipping noclip <0 or 1>
Add bots to multi-player mode srvaddbot()