Mach 3 (šifre)

Mach 3

For invulnerability in this game, use the DOS utility DEBUG. 
First backup your game to be edited, then type the following 
from the DOS prompt:

ren mach3.ov2 cheater.cht
debug cheater.cht
e 261f 90
Then type: w
q

Then rename CHEATER.CHT back to its previous name.