Thank you for playing my demo and for the detailed feedback!
I agree the air control and level progression needs serious tweeking. I think hitbox hitting your hat might be a bug, the hitbox is supposed to be the same hatless or with any hat, it's just the same character collider, i'll have to look into it. The luck and difficulty problems i hear loud and clear and I'm going to change that for next build. Thank you again for your feedback!