» Fri Nov 16, 2012 4:58 am
If it's not out by 11th December, then yeah, it's a timed exclusive. It is possible that, as some said, they're in a contract with Microsoft that says they're not allowed to advertise other platforms until XX date.
That said, there's no trace of it on Steam's network. For DG and HF there was a month before it was released.