A few comments...
The game's 3D graphics were sheer eye-candy, aka, I loved them. However, the enemies movements were just little swirls and sprirals, making them highly predictable, and ealy to dispatch. Also, there was only one boss, I suggest you make a couple more. My third complaint, is directed towards the weapons. For instance, the final upgrade, was not as strong as the Quad Laser Cannon.
Other than that, the game was pretty entertaining, so I hope you make a sequel.
7/10.