I love the serenity XD
Though many of the levels felt a bit haphazard, as some of the objects felt a bit randomly positioned. You can easily fix this by placing things on a grid, while I don't know how easy that is in Unity it feels a bit more polished.
Also, the ways in which you could manipulate the objects also felt a bit weird, albeit refreshing at the same time. I don't think I've ever seen a puzzle game where you can move AND rotate a platform, so there's definitely potential for more.
Lastly, the pacing overall was a bit too slow. One thing that can help is making the creature-spawning pipe an on/off thing instead of spawning only one creature per click.
Anyways, for something made in a week it's quite well done. Do you already know what you're gonna try for your next game?