
- BGG rank
- BGG #823
- BGG rating
- 7.0
Mr. Jack
- 2 players
- 30 min
- Complexity 2.2/5
- 2006

Expansion for Mr. Jack Pocket
Rules assistance for Mr. Jack Pocket: Extension
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Mr. Jack Pocket: Extension is an expansion for Mr. Jack Pocket for 2 players, 15 minutes per game, and ages 14 and up. It was designed by Bruno Cathala and Ludovic Maublanc and its main mechanics are Modular Board.
Mr. Jack Pocket: Extension, the first expansion for Mr. Jack Pocket, features three new characters and a new detective: Mycroft Holmes with a special ability. With three new alibis, the game will be played on a large London consisting of twelve areas (street tiles) instead of nine as in the base game. More suspects? The investigation looks harder... Fortunately a new detective comes to lend us a hand: Mycroft, the famous brother of Sherlock Holmes! —description from publisher
Mr. Jack Pocket: Extension supports 2 players according to the catalogue. This is the publisher’s listed player count, so the game is designed for exactly that number of participants. Variants for other group sizes, if any, are described in the rulebook of your edition, so check it before setting up a different configuration.
The listed playing time for Mr. Jack Pocket: Extension is 15 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 Mr. Jack Pocket: Extension for ages 14 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.
Mr. Jack Pocket: Extension has a complexity rating of 1.0 out of 5 from BoardGameGeek players, which makes it a 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.
Mr. Jack Pocket: Extension belongs to these categories: Deduction, Murder / Mystery, and Bluffing. Its main mechanics are Modular Board. 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 credited designers of Mr. Jack Pocket: Extension are: Bruno Cathala and Ludovic Maublanc. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Mr. Jack Pocket: Extension as an expansion for Mr. Jack Pocket. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Mr. Jack Pocket to use it. Check that your edition of Mr. Jack Pocket is compatible, as some expansions were revised between editions.