You'll have to pay for a $20 DLC to unlock two out of six clans in Vampire: The Masquerade - Bloodlines 2.
(www.eurogamer.net)
Here's how the clan selection screen looks at the moment:
They could've postponed that for like half a year, but they seem to doubt they'd sell anything then, after release. Bad PR move for already troubled game. I think it's a really bad sign if publishers does just that.