End a Mission:
 To successfully end a mission press [Shift] + [W] + [N].
 
 
 Free Robots: 
 Hold [ctrl],[alt],[shift] and press while holding
 [ctrl],[alt],[shift] [F9],[F10],[F11],[F12] 
 it will say console enable and then hit the [Y] key
 and you get any robot for free.
 
 Won't work while playing last stage against the aliens,
 tested only on the english version.