Funny enough, I played the HL2 mod for the first time this week, quite funny game, especially when you don't follow the narrator's instructions who btw is simply brilliant.
All I know about The Stanley Parable is that I've heard it mentioned before in the context of being strange in some manner.
You are still sore over that GTA V review, aren't you? :P
@neur0sis I think you mean bestest demo ever!