Ah, hey. There's the jumping
Okay, couple more crits now that I can see the rest of the level...
When jumping up against a wall, he gets stuck halfway up. He doesn't slide up the wall and go over like you'd expect a platform character to do. I have to back up and clear the top of the ledge entirely to make it up.
Also, the health pickup renders it's particles in front of the player when you pick it up, I think it might look better behind.