Cluedo encircle the outer perimeter which correspond to each player's suspect token. Each character starts at the corresponding coloured space. † ‡ "denote secret passages to opposite corner" At the beginning of play, three cards—one suspect, one room, and one weapon—are chosen at random and put into a special envelope, so that no one can see them. These cards represent the facts of the case. The remainder of the cards are distributed among the players. Players are instructed to assume the token/suspect nearest them. In older versions, play begins with Miss Scarlett and proceeds clockwise. In modern versions, all players roll
Play-by-post role-playing game ("Out of character") or "OOG" ("Out of Game") are used to differentiate in-character from personal posting. The opening message or post of each scene typically lays down the scenario and describes a scene, or continues from a previously started scene. Threads then become an ongoing story in which players periodically advance the plot by reading the latest reply and then responding with what their character does and how the environment changes in response. These replies are often open-ended so that other players can continue. Internet forums (aka Play-By-Message-Board or PBMB, Forum Role-Playing or simply Forum-Games) are the most common medium