For infinate 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 e:\4r.ae cheater.cht
 debug e:\cheater.cht
 e 32dd 0
 e 5cc8 0
 e 7403 0
 e 4b56 eb
 w
 q

 Then rename CHEATER.CHT back to its previous name.