The idea of dying to make the game harder is very novel. I don't think I've seen anything like it so far in the Jam. Soundtrack with the game was nice too.
Some things you could do would be to improve the wall-jump (I've seen a few comments on it). Maybe have the music speed up every-time you fail could be a nice touch. Also, having the screen scroll independently of the wall could open up a lot more of the game rather then just restricting it to the walls point of view. On top of that maybe some indication where the player died each time to show progress would be interesting.
Can't wait to see what you do with the project in the future.
Overall nice game! If you have a chance, check out mine: https://itch.io/jam/gmtk-2020/rate/69482