I agree that I really do like the controls. I also quite enjoyed the art style and felt everything looked really polished.
I also found that there were no other players online so I wasn't able to really progress. I think that perhaps offering small quests such as killing a certain number of enemies in the lobby to unlock a cosmetic (such as changing the ship's colour, etc.) might help to make that wait better.
Would you also consider making a single-player version?