Players are thieves or detectives. The thieves go around the Louvre trying to steal the Mona Lisa; the detectives try to nab them. There is a cloth game board with a grid of corridors, rooms and a small matching, laminated board. The thieves write their position each move in secret on the laminated board with crayon and must reveal if a detective might have seen them (similar to Scotland Yard and Clue: The Great Museum Caper. Detectives can install cameras and thieves can disable alarms. A top quality production in a long wooden box.