| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can further enhance interest in a game.SOLUTION: A game control unit obtains a random number value regarding a special pattern at a moment when a first start port switch or a second start port switch detects the passage of a game ball, and determines, on the basis of the obtained random number value, whether to carry out a special game (jackpot game etc.) advantageous for a player. When it is determined in this determination to carry out the jackpot game etc., the operation pattern and the round number of a big winning port as well as a high probability state, a middle probability state, or a low probability state as a game state after the end of the jackpot game are set. After the determinations are carried out a predetermined times in the high probability state or the middle probability, the game state is changed to the low probability state. |
