The visuals are nice, and I really liked the sound design as well. The gameplay is well thought out, but I found it a bit difficult to understand what I was supposed to do, or rather, how to do it. I think the game could use a bit more guidance. I couldn't figure out which tools I was supposed to use, and I didn't even make it past the tutorial, even though that's usually the part that should explain everything.
But overall, though, it's already a lot of impressive work for just 3 days!