Same Core Mechanic: Deduction — move, suggest, disprove, accuse.
What Varies Across Editions
Art Style / Miniatures / Component Quality.
Board Layout: Minor room connection tweaks (secret passages).
Character Backstories / Names: Mrs. White → Dr. Orchid (2016+).
Licensed Themes:Simpsons, Harry Potter, Rick and Morty, Downton Abbey, Ghostbusters — reskins, same rules.
Spin-offs (Different Games):Clue Master Detective (more suspects/rooms/weapons), Clue: The Great Museum Caper (electronic), Clue Jr. (kids), Clue Card Game, Clue DVD Game.
Bottom Line: One traditional game. Dozens of reskins. A few distinct spin-offs.