| 摘要 |
PROBLEM TO BE SOLVED: To provide a mahjong game machine wherein game nature is widened by adopting a new ball inlet device. SOLUTION: A replay port is arranged on a game board above one or a plurality of prescribed ball inlet ports arranged on the game board. Through the replay port, the game ball entering the replay port can be shot to the game board again without entering any of the ball inlet ports, and the replay port can be switched to a first state in which the game ball shot to the game board is allowed to enter and a second state in which the game ball shot to the game board is not allowed to enter. COPYRIGHT: (C)2010,JPO&INPIT
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