Two game from the Clarendon's Vintage Game Collection.
Cunning Concoction: Players take turns asking each other questions. If a player believes another's answer is wrong, they call "Challenge!" Players outfox one another by bluffing, whether they know the answers or not!
Mystery Tonic: In less than one minute, players will hear a succinct mystery. As clues are revealed, players must use their deductive skills and quick wit to correctly solve the mystery before anyone else can.