That's a cool concept with nice music and art!
As a player I would like to see more opportunity to miss and be able to win or levels which I can complete using different tactics. Most of the levels now expect you to do the exactly as planned and none other tactic will work. I would like to see something like a pinball, maybe with ability to change planets while ball flying nearby.
But it was fun to play a game in it's current state.
Congrats with submission and don't forget to check others submission. Including ours!