Patent ID: 7815504

Claim:
A slot machine comprising: a display on which a plurality of symbols that have been arranged are rearranged in a unit game; and a controller operable to: (a) execute a predetermined number of times of the unit game as a special game after a subgame when the subgame, in which a specific symbol is selected from among a plurality of kinds of symbols by an external input, has been executed; and (b) (i) vary payout amount of credits for occurrence of an award accompanied by payout of credits due to the specific symbol during the predetermined number of times of the special game in accordance with the number of specific symbols rearranged on the display during the predetermined number of times of the special game, or (ii) vary payout amount of credits when the predetermined number of times of the special game terminate in accordance with the number of times of occurrence of an award accompanied by payout of credits due to the specific symbol during the predetermined number of times of the special game.