Nice work! I love the star trails in the background, very very slick. I also didn't expect ammo to be so tight, but I think it's a cool idea to have a space shooter with such a limited clip like this. Most space shooters pretty much have you spamming shots everywhere, so this game was a cool change of pace!
The sensors were also a really neat idea. Seeing a gap in the red and being able to just power forward as fast as I wanted was a great reward for picking up and using the sensors.
Great work!