Internationally renowned thief Mr. X is loose in London, with the intrepid investigators of Scotland Yard on his heels. Taking the roles of Mr. X and the detectives, players work to accomplish their respective goals. For Mr. X, it is to elude pursuit and eventually escape. For the Detectives, they must work together, piecing together the clues to where Mr. X has gone, using sightings and the knowledge of which mode of transport heÆs chosen: Cab, Bus, or Underground. Only teamwork will save the day for the Detectives, while a clever mind is Mr. XÆs greatest weapon.