This game could but be really good, but it has some stupid flaws :<
Control... you have to maneuver between shots here, it has to be fast and easy. But here you sometimes have to move the mouse over the entire screen to get a good speed. No way to move fast at the sides of the screen or in the corner.
Solution: Just keep the speed the same your ship follows the mouse, all the time.
Other then that the game is too hard. Not hard-hard, but stupid-hard. Weapon upgrades are lost once you touch an enemy... No way to really get a strong weapon wich is quite frustrating.
I made it to the pong boss. Didn't really take much skill, just keep using all the bombs in one wave wich blasts everything away.
Please nerf bombs and reduce enemy HP, especially of bosses.
Also the waves were really uneven. Some were really hard and others pretty easy. This kill-everything-around-the-ship item made the waves with it a piece of cake wile earlier waves were way harder.
All the meteor waves so far were also easy, but I asume that's intended.
Could be a good game, just need refining, lots of refining.