Little Devil

There are several cheats for this, that consist of
a command-line parameter and an ingame key :
Parameter   Key       Effect
————————————————————
KmCiNpOcKeT [F1]      Skip level
Nicole     [Shift]+[P]  Walk thru room
MEANING     [Shift]+[T]  Extra energy
Donkey     [T]      Extra treasures
Grumpy     [K]      Extra keys
All these parameters are case-sensitive and can be
combined as you like.