Although the patent was granted in 1947, postwar shortages postponed the game's official United Kingdom launch until 1949. Boddy's mansion changed with each edition, the weapons underwent relatively minor changes, with the only major redesign occurring in the fourth 1972 US edition, which was adopted by the second 1996 UK edition and remains the standard configuration across all Classic Detective Game versions since. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

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At the start of each game, one suspect, one weapon, and one room will be removed from the deck, and the remaining cards will be dealt to the players. A player who makes a false accusation while blocking the door to a room must move into that room so others can enter and leave. The game box also includes several coloured playing pieces to represent characters, miniature murder weapon props, two six-sided dice, three sets of cards (describing the aforementioned rooms, characters or weapons), Solution Cards and an envelope (or a mirror in some editions) to contain one card from each set of cards, and a Detective's Notes pad on which are printed lists of rooms, weapons and characters, so players can keep detailed notes during the game. Numerous games, books, a film, television series, and theatre adaptations have been released as part of the Cluedo franchise. 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.

In the UK, Cluedo was marketed as "The Great Detective Game" from the mid-1950s until 2000, when it was rebranded as the "Classic Detective Game".The Waddingtons Story: From the early days to Monopoly, the Maxwell bids and into the next Millennium.

Clue "Master Detective" (1988), [31] an expanded version of the game featuring 12 rooms, 10 characters, and eight weapons with support for up to 10 players. However, in the mid-1950s Waddingtons also adopted a Sherlock Holmes-type detective to adorn their box covers for a brief time, though unlike in the US editions, there was no acknowledgement that the character was actually the famous detective. The player's suggestions must include the room they are currently in and may not be made in the corridors. Upon discovery of the inconsiderate and heinous deed, Sheldon gathers six suspects and demands justice. Besides some rule differences listed above, some versions label the characters, weapons, rooms and in some instances the game itself differently.

However, only three distinct editions of Cluedo were released in the UK – the longest of which lasted 47 years from its introduction in 1949 until its first successor in 1996. Shortly thereafter, Pratt and his wife, Elva Pratt (1913–1990), who had helped design 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", the Latin word for "I play" and the name of a popular board game based on Pachisi).