Qix

For infinite lives in this game,
use the DOS utility DEBUG.
First backup the game to be
edited, then type the following
from the DOS prompt:
       
ren main.dat cheater.cht
debug
a 100
mov dx,es
add dx,1000
mov es,dx
       
g 108
r ip 100
ncheater.cht
l e es:11aa 0
e es:11d1 0
Then type: w
q      
Then rename CHEATER.CHT back to
its previous name.