I was about to quit after few checkpoints - with opinion average platformer with hard and frustrating walljump, but sudenly everything flips upside down (pun intended) - game sudenly becomes awesome skill test with unique mechanics and pretty well scaled difficulty and I pushed on and on and it was awesome until I've got to this checkpoint. And I just couldn't get over it. Anyway - super awesome platformer I enjoyed a lot! (but almost quit before found out its best feature)
Edit: Forgot to mention absolute briliance in introducing layers of music on each checkpoint!
