Cheat Codes:
Type “1982gonzo” or “gonzoopera” while Duke is selected during game play to enable cheat mode. Then, enter one of the following codes to activate the corresponding cheat function. Note: If gonzoopera does not enable cheat mode in your version of the game, create a backup copy of the “commando.cfg” file in the game directory. Then, use a text editor to add the line “.DEVELOP 1” in that file:
CHEAT FUNCTION – CHEAT CODE
Place selected commandos under the pointer – [Shift]   X 
Mission skip – [Ctrl]   [Shift]   N 
Trace user – [Shift]   V 
Invisibility – [Ctrl]   I 
Destroy everything – [Ctrl]   [Shift]   X 
Mission editor – [Shift]   E or [Ctrl]   E 
Select video mode – [Shift]   [F1] through [F4] 
View debug output – [Ctrl]   [F9] 
Invincibility – [Ctrl]   L 
Display terrain information – [F9] 
Window help – [Alt]   [F11] 
Picture interface – [Alt]   I 
Write data to “memlin.dat” – [Alt]   [Shift]   L 
Write data to “memact.dat” – [Alt]   [Shift]   M 
Level passwords (North American version):
LEVEL – PASSWORD
The Asphalt Jungle – 8K2IX
Dropped Out Of The Sky – 9R29I
Thor’s Hammer – 4469J
Guess Who’s Coming Tonight – 4HSAB
Eagle’s Nest – J8TSN
The Great Escape – LUK2L
Dangerous Friendships – DUSL2
