Big Nose - The Caveman

Enter "MUSKI" for your name on the high score table to activate the
cheat.  Now use the following keys during play:

F1  For 9 lives (Won't show till you die).
F2  To skip levels.
F3  For triple rock shot.
F4  For 90 super power points.

On the first level, walk along until you come to the second hole in
the ground. You will see a bone in it. Jump into the hole and you
will be transported to the next section.