The concept is interesting -- kinda like beserker mode in some games, where you get more powerful when you have less health (thinking of that one mirror power in Hades if you've played that). The controls were actually really fun and I was getting into the platforming when I had 1 health, but unfortunately the sluggish controls on high health put me off a bit. I wonder if there's a way where you could have more power in low health but keep high health still interesting?
I also think there were a *couple* too many mechanics in the game -- the jam making the screen blurry for example -- that detract from the game being able to hone in and focus on one mechanic really strongly.
I also noticed the squish effect on the main character, which I liked, and in general the aesthetic of the game was nice -- it was simple, but well put together and easy to tell what everything is, which is the most important thing in a game jam game IMO.
Overall, I liked it!