DMZ: North Korea Cheats for PC
In the System folder open the 'user.ini file' in a text editor and then look for 'Engine.Input'. Find F3 and type 'Type' beside that (without quotes)
Save the file and during a mission press F3 to bring the command line and type 'god' without the quotes and press enter to enable god mode.
(Default path for 'user.ini file':
C:\Program Files\DMZ North Korea\System)
God: God Mode