| 摘要 |
PROBLEM TO BE SOLVED: To provide a mahjong ball game machine capable of improving the game property of a special game by utilizing a parameter peculiar to the mahjong ball game machine. SOLUTION: In the mahjong ball game machine including a game board where ball entrances corresponding to the symbols of two or more kinds of tiles are arranged, a tile drawing means, a tile discarding means, and a special game role determination means for determining a special game symbol combination for imparting the right of the special game advantageous to a player compared to a normal game when starting a game, a special game history recording means for recording game history data in the special game and a special game history display means for displaying the game history data in the special game at a display device are provided. COPYRIGHT: (C)2009,JPO&INPIT
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