After activating the cheat mod - Commandos 2: Men of Courage
After activating the cheat mode by typing gonzoandjon press the following keys:
Ctrl+v for invisibility (invisible to the enemy)
Ctrl+Shift+N to end a mission.
(Please keep in mind that the cheat Ctrl+I for Invincibility doesn't work!)
-Prabesh & Dibesh Thapa