Start game as usual, open up the console with ~ key (toggle) and enter
the desired command(s) below (CaSe SeNsItIvE!):                       
                                                                      
   Cheat.God(1)               - God Mode ON                           
   Cheat.GiveAmmo()           - Add Ammo                              
   Cheat.Heal()               - Full Health Player                    
   Cheat.MagicAmmo(1)         - Magic Ammo ON                         
   Cheat.GiveRifle()          - Get Rifle                             
   Cheat.GiveDynamite()       - Get Dynamite