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 known as the lead pipe only in the North American edition. In some international versions of the game (mostly the Spanish-language ones) the colours of some pieces are different, so as to correspond with the changes to each suspect's unique foreign name variations. In some cases, rooms and weapons are changed in addition to other regional variances. In South America it is licensed and sold under several different names. In particular, it is notably marketed as "Detective" in Brazil. In Norway it was first released as "Scotland Yard" by Damm. It was later re-released as "Cluedo", but the rules are