It looks like a really nice game, but unfortunately I encountered some bugs. Most of the time the chests don't give anything, only a couple of times I got a star. Furthermore, every time I tried I ended up with 7/8 enemies still to be defeated and not being able to do anything anymore (at least I think so, maybe I missed something to do). It could be some incompatibility problem with macosx.
Anyway, for what I played it seemed like a very fun game, well done!