Wow, the cohesive art style stands out. More of that, please.
It does feel unfinished, but this is a remarkable display of talent. Be proud; congrats to the developers.
It reminds me of a coloring book or old Windows point-and-click games.
My only critique is it may come off as too childish if not careful, and remember, always have a demographic in mind when putting in the long-term time on a project. Of course, if kids are the target demographic, then great job all around!
My favorite part was the giant dog head at the ship's top.