Cheat Codes:
Load the game with the developer 1 command line parameter. Then, press ` to display the console prompt during game play and enter one of the following codes to activate the corresponding cheat function. Note: The codes are reset when a level begins and must be activated after game play actually starts. Note: Some codes may only be effective in the demo version of the game.
CHEAT FUNCTION – CHEAT CODE
Toggle God mode – immortal or god
Toggle no clipping mode – noclip
Play selected map – map