Cluedo constitute the current shared game design. International versions occasionally developed their own unique designs for specific editions. However, most drew on the designs and art from either the US or UK editions, and in some cases mixing elements from both, while localizing others – specifically suspect portraits. In July 2008, Hasbro released a revamped look for Clue in a Reinvention called Clue: Discover the Secrets. This new version of the game offered major changes to the game play and to the characters and their back stories. In July 2016 Hasbro replaced Mrs White with a new, one-time character Dr. Orchid
Cluedo wife, Elva Pratt (1913-1990), who had helped in designing the game, presented it to Waddingtons' executive, Norman Watson, who immediately purchased it and provided its trademark name of "Cluedo" (a play on "clue" and "Ludo"; "ludo" is Latin for "I play"). Although the patent was granted in 1947, due to post-war shortages in the UK the game was not officially launched by Waddingtons until 1949. It was simultaneously licensed to Parker Brothers in the US for publication, where it was renamed "Clue" along with other minor changes. There were several differences between the original game concept and that initially published