Excalibur 2555 AD

Press Esc to pause the game.
Hold F12 and press the following arrow keys.
Continue the game. A message should appear
displaying the cheat.
U,U,R,R,U,U,U,U - Unlock all doors
            (except the room you’re in) U,U,U,L,L,L,L,L
            Full Health
U,U,L,L,R,R,L,L - Max Sword Power
L,R,L,U,R,U,U,U - Level Skip