I like the music and visual,
but the game didn't really feel out of control since the only thing that I had no control of was speed, a lot of top down shoters are like this (they dont change the speed though)
the only times the change in speed was really a thing, was when it got really slow
Maybe have the whole game change speed and add a few effects like camera shake if it gets faster?
Haven't I seen this game somewhere?
I'm pretty sure there is a youtube video about something very similar
with different art and audio