| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of preventing a player from stopping punching a game ball out and its operating rates from declining until a big prize-winning game starts even if variation displays and preannouncements of various special manners are adopted. SOLUTION: A main CPU determines whether jackpot or not based on a random number value for determining a special pattern and the random number value for determining a big prize-winning pattern that were reserved and stored when the game ball entered into a start port, and determines a game state after the big prize-winning game if the jackpot is won. A sub CPU controls a prize-winning performance while the big prize-winning game is played. The prize-winning performance is specified so that a probability variation advancement game could be played and "won" when the game state after the big prize-winning game is a high-probability one, or "lost" when it is a low-probability one. The probability variation advancement game is performed so that the player could feel that the more reserved balls he/she has, the higher the probability of the win becomes. COPYRIGHT: (C)2011,JPO&INPIT
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