FWIW, I started a game, then it stopped responding. Did it get taken down by the attention from HN?
Update: the Live Chat says they're busy, but working on it, and to give them 5 minutes, but definitely come back.
Well, the sign-up doesn't work on my Windows Phone.
I'm not really interested in a "social network", but some kind of hacker score sounds fun. And I'm always up for a puzzle.