| 摘要 |
The present invention is a gaming machine that realizes an exciting game typically in a slot machine format. The gaming machine includes a controller and a display. The controller runs games, accepts a bet of credit and returns a certain amount of credit as a payout. This payout amount is determined by multiplying a winning amount and a certain value of multiplier. The controller runs a primary game and a secondary game. When the secondary game is triggered, the controller displays a choice for acceptance or decline of an extra bet to the player on the display. When the player chooses to accept the extra bet, the value of multiplier is set larger than a default value of multiplier. After the value of multiplier is changed, the changed value of multiplier is shown on the display in a different area where the symbols are shown during the secondary game.
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