I like the idea of a 3d Jump King, it's something that for sure has potential, but the third dimension ramps up the difficulty even more, it's hard to land jumps precisely and avoid hitting walls. Several times I had to reallocate my position with short jumps and this was not very fun. In Jump King, bouncing off walls works more as a movement gimmick than a punishment.
Also a minor bug: after falling and sliding from a platform, the character started floating