| 摘要 |
PROBLEM TO BE SOLVED: To enhance the amusement of a pachinko game without making a player tired of the game by diversifying conditions for making a jackpot. SOLUTION: The pachinko game machine has a challenge intention confirming means to be operated when several symbol lines among symbol lines are stopped with the same symbols. When the player's intention to challenge is confirmed by the challenge intention confirming means, the display mode of a symbol variable display device is transferred from a normal probability pattern to a high-probability pattern or low-probability pattern by chance. After the transfer, the symbol lines on which symbols are variably displayed are stopped with the same symbols at the same probability previously set for each pattern, or at a high probability or low probability previously set for the pattern. COPYRIGHT: (C)2007,JPO&INPIT
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