· Number of players: a compact version of the rules a little different, long-selling game "Scotland Yard," "Mr. X" depends on the number of people, such as skill Playtime: more than 8 years Age Group: 2-4 people. ? During the game, all players will be in charge once Mr. X, the most expensive players (total amount) will win tickets to win at that time. · I can play in a short amount of time compared to the normal version of the compact. Rule changes that have been made to work.