Starfighter 3000 

Hints:
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Upgrades:
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It is better to upgrade the ship one step at a 
time with the crystals rather than getting a 
Megaship from a parachute. The Megaship lasts a 
short amount of time, but crystal-based upgrades 
are permanent. 

Surface-to-air missiles:
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SAMs have a limited altitude range and will blow 
up if they fly too high. If a group of SAMs are 
heading in, climb at full speed, wait for them to 
blow up and return for another attack run. 
Deploying an ECM as a SAM is being launched will 
cause detonation and will damage or destroy the SAM site. 

Loop and strafe:
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To destroy building without having to execute a strafing 
run, fly up to the target and begin looping. While looping, 
fire your lasers as the building becomes a target until 
it is destroyed.