Submitted by: Erki
Press [F9] and [F10]together to enable cheats:
Now these keys will be enabled:
F6 - Skip level
F7 - More missiles
F8 - More lives
To disable cheats press F9 and F10 together again.
Submitted by: ahmed780
If you want the highest score ever go to any system keep pressing [F7]
and [F8] and u will skip waves however firepower will fall take them
all and ur score will keep rising till u finish the next system.
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