This is quite the challenge! I managed to get up to the third floor and promptly yeeted myself into the lava. It would be nice to make it slightly more forgiving. On top of the raw difficulty, there is a bit of a learning curve. The best move I found is to jump-move-jump in very quick succession, which gives you big height and a good arc. It would be nice if the camera could be rotated to additional angles, as it can be quite hard to see things. Overall a nice game with potential, especially for one made in 12 hours!