
- BGG rank
- BGG #5,748
- BGG rating
- 6.2
Clue: Harry Potter Edition
- 3–5 players
- 30 min
- Complexity 1.6/5
- 2008

Expansion for 221B Baker Street: The Master Detective Game
Rules assistance for 221B Baker Street: The Master Detective Game – Set #9
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
221B Baker Street: The Master Detective Game – Set #9 is an expansion for 221B Baker Street: The Master Detective Game released in 1986 for 2–6 players, 90 minutes per game, and ages 10 and up. Its main mechanics are Roll / Spin and Move and Paper-and-Pencil.
An additional set of cases for 221b Baker Street. This package comprises cases #161-180 and includes case cards, a clue and answer book, and solution checklist. 161. The Adventure of the Composer's Dying Note 162. The Adventure of the Toothless Shark 163. The Adventure of the Compulsive Gamesman 164. The Adventure of the Exploded Escapee 165. The Adventure of the Chorus Line of Death 166. The Adventure of the Mad Minister 167. The Adventure of the Pickled Delly 168. The Adventure of the Chameleon's Trap 169. The Adventure of the Clobbered Cleaning Lady 170. The Adventure of the Aboriginal Deathbone 171. The Adventure of the Holmes Kidnapping 172. The Adventure of the Lord of Spies 173. The Adventure of the Wronged Wife 174. The Adventure of the Chopped Woodsman 175. The Adventure of the Hunted Heir 176. The Adventure of Mata Hari's Older Sister 177. The Adventure of the Producer's Happy Ending 178. The Adventure of the Hound of the Basketballs 179. The Adventure of the Dead Tycoon 180. The Adventure of the Missing Family Jewels
221B Baker Street: The Master Detective Game – Set #9 supports 2–6 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for 221B Baker Street: The Master Detective Game – Set #9 is 90 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists 221B Baker Street: The Master Detective Game – Set #9 for ages 10 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
221B Baker Street: The Master Detective Game – Set #9 has a complexity rating of 2.0 out of 5 from BoardGameGeek players, which makes it a medium-light game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
221B Baker Street: The Master Detective Game – Set #9 belongs to these categories: Deduction, Murder / Mystery, and Novel-based. Its main mechanics are Roll / Spin and Move and Paper-and-Pencil. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The catalogue lists 221B Baker Street: The Master Detective Game – Set #9 as an expansion for 221B Baker Street: The Master Detective Game. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need 221B Baker Street: The Master Detective Game to use it. Check that your edition of 221B Baker Street: The Master Detective Game is compatible, as some expansions were revised between editions.