Great little game.
I loved the art style and the animation quality was awesome. The only problem I have is that it was too short! Also there's no prize or secret to finishing the game with 0 deaths, which is a little disappointing.
I don't quite understand why everyone thinks this game is cheap or hard. I really didn't have a problem getting through the game without dying a single time.
Here's a tip: Don't try to attack the skeletons from behind unless you've got a height advantage.