The soundtrack is a bop, and I like the minimalist visuals! I wish that you could restart at the level you died at instead of having to start over from the beginning, because having to stop and click buttons broke my flow. (I was also bad at this and couldn’t get past level 7 lol.)
Because some of the levels require you to react almost instantly, an interesting idea could be to have the incoming level appear inside the circle, so you can see what’s coming up next.