Bad Dudes (PC)

For infinite lives in this game, use the DOS utility DEBUG.
First backup
your game to be edited, then type the following from the DOS
prompt:
ren startup.exe cheater.cht
debug cheater.cht
e 5947 c7 87 85 0 6 0 eb 13
Then type:
w
q

Then rename CHEATER.CHT back to its previous name.