I was able to get the game from your github even though the submission link didn't work. Concept is pretty good, but it's hard to make fine adjustments to the aim, so I end up tapping really quickly trying to make tiny changes.
I really wanted to add a score and timer but I ran out of time. I decided to use the time to make the stages look a bit better with some doodads instead.
I tweaked it a bit, but couldn't really come up with anything that wasn't eye-burning. Illumination and lighting is still something I need to learn more about, so didn't spend too much time on it during the jam. I fully agree, though!