| 摘要 |
PROBLEM TO BE SOLVED: To provide a mahjong ball game machine capable of imparting the right of a special game further advantageous to a player even during the special game. SOLUTION: A special game combination determination means determines a special game combination even when starting the special game, and a control means of the mahjong ball game machine performs control so as to impart the right of the special game to the player when a prescribed condition is satisfied when playing the special game and the special game combination in the game is established. COPYRIGHT: (C)2009,JPO&INPIT
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