
- BGG rank
- BGG #3,443
- BGG rating
- 6.8
Detective: A Modern Crime Board Game – Season One
- 1–5 players
- 90–120 min
- Complexity 2.0/5
- 2020

Rules assistance for Tajemnicze Domostwo: Motive cards
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.
Tajemnicze Domostwo: Motive cards is an expansion for Mysterium released in 2015 for 2–7 players, 30–60 minutes per game, and ages 8 and up. It was designed by Ignacy Trzewiczek and Merry Trzewiczek and its main mechanics are Hand Management, Modular Board, and Cooperative Game.
Bored after guessing your suspect? We present you with a new challenge - discover the motive of the crime. If you succeed, one of the suspects is discarded before trying to reveal the true murderer! The mini expansion consists of 14 cards - 7 for the Ghost and 7 for the Players (due to manufacuring reasons, they have the same backs). 14 cards (120 x 80 mm)
Tajemnicze Domostwo: Motive cards supports 2–7 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 Tajemnicze Domostwo: Motive cards is 30–60 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 Tajemnicze Domostwo: Motive cards for ages 8 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.
Tajemnicze Domostwo: Motive cards has a complexity rating of 1.7 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.
Tajemnicze Domostwo: Motive cards belongs to these categories: Deduction, Murder / Mystery, and Exploration. Its main mechanics are Hand Management, Modular Board, and Cooperative Game. 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 Tajemnicze Domostwo: Motive cards are: Ignacy Trzewiczek and Merry Trzewiczek. 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 Tajemnicze Domostwo: Motive cards as an expansion for Mysterium. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Mysterium to use it. Check that your edition of Mysterium is compatible, as some expansions were revised between editions.