Deduction board game are drawn at random. Notable members of this category include "Black Box" and "Master Mind". Investigation games are board games in which the players generally play as police, detectives or other investigators. The best known game of this type is "Cluedo". In fact, many of games in this category utilize a mechanic known as "The Missing Card," which was developed by Anthony E. Pratt for "Cluedo" ("Clue" in the United States). "The Missing Card" takes a known set of cards (or other token) and removes one or more of them. By gathering information and using deduction and logic, the players
Concept (board game) Concept (board game) Concept is a 2014 board game developed by Alain Rivollet and Gaëtan Beaujannot and published by Repos. It was nominated for the Jeu de l'année prize in Cannes in 2014. "Concept" is a quiz board game where players have to guess a concept, which can be a word, a name, or a phrase. Hints about the concept are given by marking the concept, its attributes, and related concepts on the game board with different-coloured markers. Giving verbal hints is not allowed. The official rules state that the game is played with teams of two players each. On