Cheat mode:
Press (Enter), type Oh grosser Thomas, erlöse mich!, and press (Enter) again to enable cheat mode. Then, enter one of the following codes : Note: Hold (Alt) and type 148 on the numeric keypad to create the ö character.
Result - Code:
1000 energy - (Shift) + (Alt) + E
1000 Xenit - (Shift) + (Alt) + X
Full map - (Shift) + (Alt) + V
Fast building - (Shift) + (Alt) + Z