It isn't often you come across a game as simple and self-explanatory as this. I was able to pick it up immediately and nothing was left misunderstood. The art is fantastic and the game has a nice feel to it. My one criticism is that there is no boss health bar, but maybe I just missed that. Overall I really enjoyed it. It was a bit short, but for a proof of concept jam game it does the job. You took a solid game mechanic and ran. Good job!