Not really sure where to start with this one. I think I can say that I appreciate it but at the same time I wouldn't say I liked it. Clearly a very well made game, the ability to shift through worlds at will was really cool and I did like how it was incorporated into puzzles. But it never really gripped me. At times after beating one puzzle, getting immediately thrown into the next just tired me out. If you like puzzle games, you'll like this and the puzzles are certainly intuitive, but I just got bored in the end and finished this simply to say I did so.