Serious Sam: The Second Encounter (Demo)

Serious Sam: The Second Encounter (Demo) cheat codes: 
( Serious Sam: The Second Encounter (Demo)  )

Press ~ to display the console window.
Enter one of the following codes then press [Enter]
to activate the corresponding cheat function:

Code              Result
please god        God Mode
please giveall    Give All Weapons / Ammo
please killall    Kill All Monster On Level
please open       Open All Doors
please fly        Fly Mode
please ghost      No Clipping Mode
please invisible  Invisibility
please tellall    View All Messages
please refresh    Restore Energy