Everybody has five minutes to ask the Master Yes/No/Maybe questions to discover a secret: "Do I probably own one?" "Could I hold it in one hand?" "Does it taste good?".
One player, however, has something to hide. Randomly assigned to be the Insider, they got a peek at the secret before guessing began. Not even the Master knows who the Insider is. Their role is to guide the others to the answer before time runs out. If their questions are too insightful, they will be revealed. Too subtle and the Commons (the other guessers) might never find the answer at all, meaning everyone loses!"
This means every question is evidence for later accusation, and making the correct guess can be a death sentence for the unwary. After the answer is guessed and a brief discussion ensues, we all vote. If the insider hides, they win, but if we find them, everyone else does!
Small design choices like a brilliant deck of cards for producing secrets or an elegant voting system elevate this game (in my eyes) from a 9 to a 10. This is one of my desert island games."