Well done on your game! Not sure if you were aware but it doesnt run on Firefox for me. Edge worked but was still very laggy. I got 7 score, but didnt want to try for more due to the lag.
I like the concept and its crazy how many features are in there (control rebinding, leaderboards, procedural(?) map etc). The game lacks some feedback when you perform actions. There is no feedback when you take a hit, or grab a powerup, and I didnt really see what or where I was shooting. The UI also gives a bit of information overload.
On a more positive note, I like the aestetic, and even though audio gets a bit repetetive, it works well for the game, great job!