Do You Worship Cthulhu?

Do You Worship Cthulhu? is a board game released by Toy Vault designed for 5-30 people.  According to Toy Vault’s description of the game,

This fun party game for a group of 5-30 people to play, and the rules can be learned in less than 3 minutes. One person acts as moderator, overseeing a village of people, one (or more) of which are secretly Cthulhu worshippers! The worshippers begin sacrificing other villagers one by one. Deceive your friends and lie through your teeth while experiencing a truly unique game.

Basically Werewolf with a Cthulhu skin.