The Unfinished Swan is incredibly hard to explain. If you haven't seen videos it's absolutely worth a Google. Try imagining a platforming game where you are tasked with traversing an all-white world through episodic splattering of black paint.
Got it? Awesome.
Now get ready for October 16th when it releases a week early for Playstation Plus members. If you are too cheap to be a PS+ member then you can wait until October 23rd like the ignorant fool you are.
Sorry, that came out a little angry.