Note: This procedure involves editing a game file; create a backup copy of the file before proceeding.
Use a text editor to edit the "armyops.ini" file in the "system" folder in the game directory.
Add the following line under the "[Engine.GameEngine]" heading to enable cheat mode:
bMPCheats=Enabled 2
Then, press ~ or [Tab] during game play to display the console window.
Enter one of the following codes:
Third person view - behindview 1
Unlimited ammunition - mpcheat paramsammo 1
No clipping mode - mpcheat ghost
Disable no clipping mode - walk
Weapon select - mpcheat changeclass
Start game alone1 - start
Spawn indicated item or NPC1 - summon
Freeze game play - playersonly