it is a really good game, the platformer mechanics are really well made, I remember when I used to bang my head on the wall when I was trying to make a platformer game xd, there is a reason the game I submitted is not a platformer even tho at first I wanted to make a platformer-shooter, I still get the ptsd of me trying to make a wall climb/jump mechanic xd, so respect to the one who made the mechanics of the game! And it is kinda unique to see someone who didn't implement the randomness to the mechanics but to the game design itself, well made!
I don't want to repeat what everyone mentioned about the level 4, but it is still annoying.