I really loved the art and atmosphere of the game, the art looks simple and clean. and the white on the black background made it easy to see the entire level quickly.
Id love to see more feedback, especially sound effects - when the player jumps, lands, wins or gets hit. even a squash and stretch animation could go a long way.
in general, you want game jam games to be on the easier side, I really wanted to experience the entire game but at some point it just got too hard for me.
I loved the game overall, nice work.