Werewolf (A.K.A Mafia) is an excellent party game I have just discovered thanks to some nice
London geeks. Highly recommended -- lots of talking, political intrigue, scheming, and sitting in a circle with your eyes closed making barnyard noises.
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As usual with games, I pretty much suck at it, but still found it very enjoyable. So I thought I'd spread the love in case there's anyone here who hasn't heard of it before.