Bossfights are actually the hardest part of this game to be made, it envolves a lot of balancing and making them run with such good performance takes a lot of time and skills. We all are expecting more updates but this is an incredible lot for a small indie game.
oh wow, judging by what we have so far I assume it will take a lot of effort, even more considering how unique you managed to make each boss. I have nothing to say except best of luck!
By the way, is this game going to feature enemies other than bosses? So far we only have the mushrooms and the urchins