To stop the timer in this game, use the DOS utility DEBUG.
First backup your game to be edited, then type the following
from the dos prompt:
ren e:
m cheater.cht
debug e:\cheater.cht
e 377 90 90 90 90
w
q
Then rename CHEATER.CHT back to its previous name.
Also, try type PSYGNY when asked for password. Now you should
be able to skip levels by pressing [Z].
