What a great little puzzle game! Good use of the theme too! I will say that it feels like this might've been easier to control had it been a more classic puzzle game interface. For example something isometric or top-down where you can just drag and drop things with the mouse. I didn't quite see a lot of mechanics that really warranted the first-person view. That said I still had a lot of fun with it and I think you could definitely expand this a bit and release it as a fun puzzle game. Really good job!