I don't have words for this game.
I mean, I can speak about how stellar the visuals are, rendering every frame an artwork.
I can describe and commend the fantastic platforming, remarkable puzzles and flawless level design.
And yet, that is not why this game is such a wonderful work of art. The game is an emotional masterpiece, and you need to experience it for yourself. These are mechanisms of the heart, and not of the brain. They cannot truly be analysed and written down in a review, definitely not by someone such as I.