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Hidden Leaders
- 2–6 players
- 20–40 min
- Complexity 1.8/5
- 2022
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- BGG #11,705
- BGG rating
- 6.7
Deductio
2024
Rules assistance for Deductio
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
- 2–4 players
- 20 min
- 8+
- Complexity 1.0/5
For 2 players
Rules assistant for Deductio
What would you like to know?
Answers come from the official rulebook, with the page to check.
Deductio is a board game released in 2024 for 2–4 players, 20 minutes per game, and ages 8 and up. It was designed by Nick Federico and its main mechanics are Deduction and Open Drafting.
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About the game
In Deductio, your goal is to deduce your opponents' Secret Numbers before they figure out yours. Be strategic about the clues you provide to other players and make the most of the information you gather. At the beginning of the game, each player is assigned a Secret Number card from 1 to 20, which the other players must attempt to guess. On your turn, you must select one of the three face-up Clue cards that truthfully describe your Secret Number. Each Clue provided allows other players to gradually narrow down their guesses. Alternatively, instead of offering Clues about your Secret Number, you have the option to guess another player's Secret Number. But be cautious! An incorrect guess will result in you taking two Clue cards that truthfully describe your Secret Number. However, a correct guess earns you a point and brings you one step closer to victory!
Mechanics
Designers
Publishers
- Hobby Japan
- Swan Panasia Co., Ltd.
- Ghenos Games
- SD Games
- Brain Games
Questions and answers
Deductio supports 2–4 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 Deductio is 20 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 Deductio 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.
Deductio 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.
Deductio belongs to these categories: Card Game, Number, and Deduction. Its main mechanics are Deduction and Open Drafting. 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 Deductio are: Nick Federico. 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 Deductio as a base game. It can be played on its own with the components in the box and does not require any other title. Expansions, if any exist, add new content or rules on top of it and are listed separately in the catalogue with a link back to this base game.