I did it, I defeated the Totem King! That was a very satisfying victory when the ice cube (and subsequently the top of the totem) were destroyed. I think I managed to do everything on the map, I assume the vinegirl that follows you around that was above the final boss is the princess that you can rescue. I also rescued the walrus, but my greed knew no bounds so I later killed him to turn him into coins for fast food (fast food truly kills as the machine said). Also explored the bouncy place, bouncing was fun.
Gameplay-wise, I had my breakthrough moment when I realized there is also a crouch attack. The idea of mixing up jump attacks and crouch attacks does a nice job of keeping you moving, just think it would be nicer if the crouch attack recharged faster to keep that high speed combat going. Leveling system worked well too, I made the strength build of my dreams, felling enemies all over.
What I really love about your game is the art. I love the designs of everything, the feel of the map and the expressions of the enemies, I thought those were cool. I think you really managed to evoke the type of mood that makes you get immersed in a game with your design. Will be even greater when there's some music or ambience to go along with it. I noticed some whale sounds which came out during night time, which certainly got me worried something giant was about to attack, those were cool too (they were also right before my decisive battle with the Totem King, so they really upped the tension).
I think this is a great foundation to expand on in future demos and the eventual release, very well done!