Press space to fire a rocket. Knock out all spaceships and robots. Your infantry forces are firing, but don't appear to be doing much. Knocking out spaceships will give you power ups for 10 seconds, view the bottom of your weapon to see which you have. these are the power-ups Minigun mode Nuclear mode fires rockets much more quickly Rockets are much stronger. press C to enter a cheat code. NOTE: entering a cheat code will set your score to 0.
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