Just finished it. Great game, one of the most fun I've played this year actually! I really like the art-style, pace, gameplay and idea as a whole and would be happy to see a similar project, but finished. It has a number of critical problems regarding balance and key mechanics. Some weapons and upgrades are so OP, that they make 90% of other stuff absolutely useless. Your succes depends almost exlusevly on a chance of you getting them and not on your ability to make working builds or skill. I had lots of fun playing it nontheless, art and dynamic saved it for me.