Cluedo gold plated, brass finished and sterling silver versions, which have appeared in a variety of designs. There are nine rooms in the mansion where the murder can take place, laid out in circular fashion on the game board, separated by pathways overlaid by playing spaces. Each of the four corner rooms contains a secret passage that leads to the room on the opposite diagonal corner of the map. The centre room (often referred to as the Cellar, or Stairs) is inaccessible to the players, but contains the solution envelope, and is not otherwise used during game play. Coloured "start" spaces
Cluedo (UK game show) came into development as part of a strategy by production company Crawfords to diversify into coproductions with overseas properties - in this case the British gameshow. The TV show essentially followed in the footsteps of an earlier detective fiction program named Whodunnit?, where audience members had to guess the identity of the culprit after viewing prerecorded footage and interrogating suspects. "The Doctors Who's Who" describes Whodunnit? as a celebrity quiz show "not unlike Cluedo...where the panel would see some visual clues and a piece of film and decide who killed whom and in what capacity". "Dalek I Loved You" described