One player takes the part of Mr. X and slinks around the city, leaving clues for the others who are the Scotland Yard detective team.
Was the elusive Mr. X last seen at Buckingham Palace or Madame Tussaud's? Did he travel by bus or taxi? Strategy skills and teamwork will help Scotland Yard players trap Mr. X and win the game.
If, on the other hand, Mr. X manages to escape capture, he wins!