You can see you've put a lot of work put into this. Work on the bugs and balancing issues others have mentioned and you'll have a solid game.
If you need someone to proofread your english, let me know.
Three stars just for the memories of college. The controls annoyed me until I thought maybe this is what being fat is like. Then I spent ten minutes imagining myself wobbling around.
This game could be entitled 'How to Piss Me Off'. Like others have mentioned, "GO.. GO" is a special kind of torture and what kind of technology can produce a sweet mech but have only guns that overheat IMMEDIATELY?
 "Space Base Defence: The Invasion")
 "Electric Box")
 "Bubbles 2")
 "Vector Runner")
 "GemCraft")
 "Armored Fighter")