Looks really beautiful and the concept is great! However it was kinda frustrating to play because some awkward key combinations where hard to grasp and the reward of getting it right wasn't so big (i can just run right and eventually reach the end, at least in the first two levels). I understand this is the idea, but maybe adding an additional mechanic or challenge in level design and polishing the control response a bit would make it more fun. For example I found trouble jumping when standing on slopes. But very nice work!