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Setting:
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All of you have been invited to a lovely house on an island just off the shore of a large coastal city. The house itself is a grand manor, with room for every guest - and then some!

However, as you arrive... Things are quite strange. There are maids and butlers at the manor, but none of them speak to you, and they make their presence as scarce as possible. Also, when comparing your invitations you find that each one is from a completely different person, so now the identity of who invited you all here is also up in the air.

The only evidence you have is a small radio with an old-fashioned tape within it that says only this...

"You are all here for a reason, and now you have two options,
you may either stay here, and die one by one...
Or you can look amongst yourselves,
and uproot the one who knows too much."