This is a revision of an older game called Scotland Yard with some added features and a new map. One person plays Mr. X who is attempting to avoid capture in downtown Manhattan while the rest of the players are attempting to locate and apprehend Mr. X.The game seems more balanced to the detectives. The detectives get to use road blocks and a helicopter, can share their tickets and do not pass their used tickets to Mr X. The map shows downtown Manhattan, from Central Park down. Mr X has to work for his freedom... - BoardGameGeek