
- BGG rank
- BGG #5,294
- BGG rating
- 6.5
Decktective: Bloody-Red Roses
- 1–6 players
- 60 min
- Complexity 1.2/5
- 2019

Rules assistance for Mysterium: Hidden Motive
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.
Mysterium: Hidden Motive is an expansion for Tajemnicze Domostwo released in 2018 for 2–7 players, 42 minutes per game, and ages 10 and up. Its main mechanics are Hand Management and Cooperative Game.
Mysterium. Hidden Motive Revenge, jealousy, betrayal or just an accident? “Hidden motive” allows you to go beyond finding the killer. Unravel truth behind dramatic events that happened to the main characters of Mysterium board game. Expansion includes: 1 ghost's screen 24 motive cards
Mysterium: Hidden Motive 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 Mysterium: Hidden Motive is 42 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 Mysterium: Hidden Motive 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.
Mysterium: Hidden Motive has a complexity rating of 1.5 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.
Mysterium: Hidden Motive belongs to these categories: Card Game, Deduction, and Murder / Mystery. Its main mechanics are Hand Management 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 catalogue lists Mysterium: Hidden Motive as an expansion for Tajemnicze Domostwo. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Tajemnicze Domostwo to use it. Check that your edition of Tajemnicze Domostwo is compatible, as some expansions were revised between editions.