Press [F12] and type in

 IMAREALWEENIE          Enables the codes:

   ENEMIES    List enemy hit points
   SIGHT      Show line of sight
   SPY        Show debug information

 MAKETHEMSTOPMOMMIE     Enemies friendly
 HIDETEXT               Hides spoken text
 FPS                    Displays frame rate
 MAPMAKER               Screenshot of the map in Bitmap format

 Press [F12] and type in

 WTSWWT-BGIOB

 and press [Enter]. Now again press [F12] and type in

 IMAREALWEENIE

 Now in the fight press [Ctrl] and [F3], now you win plus you have all
 points and money.