Dark Reign 2 cheats and cheat codes for PC

Select any Mission
Start the game with the following command line parameter:
-cmd:"gamegod.studiomode 1;sys.runcode studio"

Example: 
C:\Games\dreign2\dr2.exe -cmd:"gamegod.studiomode 1;sys.runcode studio" 

To do this, simple click on the Dark Reing 2 shortcut properties 
add to the command line in the area that says "Target".

During the game play click on the Tools button on the lower right of 
the screen. Choose "load" in the following menu. Now you can choose
any campaign to play. Once it loads, click on Tools, Play Mission and 
you can play it.