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: ([EGA] game cheat only!)

ren e:\ruse.exe cheater.cht
debug e:\cheater.cht
e 2910 90 90
e 2a42 90 90
w
q

Then rename CHEATER.CHT back to its previous name