A gaming machine according to the present invention comprises a display on which plural types of symbols are to be arranged; a memory for storing an accumulative value, which is accumulated by unit game to activate a plurality of insurance pays and has a first threshold value and a second threshold value, and a plurality of payout value of the insurance pays, which is stored in associated with the first threshold value and the second threshold value of the accumulative value; and a controller. Where the accumulative value accumulated by unit game in which the plural types of symbols are rearranged on the display has reached the first threshold value, a first insurance pay is activated in accordance with a payout value associated with the first threshold value. The accumulative value is further counted in such each unit game. Where the counted accumulative value has reached the second threshold value, processing is performed as to activating a second insurance pay in accordance with a payout value associated with the second threshold value.