Cluedo was retitled because the traditional British board game "Ludo", on which the name is based, was less well known there than its American variant "Parcheesi." The North American versions of "Clue" also replace the character "Reverend Green" from the original "Cluedo" with "Mr. Green." This is the only region to continue to make such a change. Minor changes include "Miss Scarlett" with her name being spelt with one 't', the spanner being called a wrench, and the dagger renamed a knife. In the 2016 U.S. edition, the knife was changed to a dagger. And until 2003, the lead piping was
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