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
Wallenstein (board game) seasons, the order of which is randomly decided at the beginning of each season. The first five actions are placed on the game board face up, allowing players to plan based on their order. However, the last five actions remain hidden. The first of the hidden actions is revealed after the completion by all players of the first action, and so on until all actions are revealed by the time the fifth action is taken by all players. In this way, the order of the next five actions is always known to the players. Turn order is randomly set at