A roulette-shaped big monopoly unit 12 is disposed at the center of a casing 10, and a triangular pointer 14 for pointing a partition of the annular board 13 is disposed at the summit of the big monopoly unit 12. The players playing in the satellites 20 satisfy prescribed conditions to thereby to play in a big monopoly game using the big monopoly unit 12. In the big monopoly game, the players sequentially revolve the annular board 12. The game is advanced in accordance with contents of a partition pointed by the pointer 14 which is common among all the players when the revolving annular board 13 stops. The game can be played closely related among the satellites.