A slot machine of the present invention comprises: a display to which a plurality of symbols are arranged; a BET switch that allows a BET input; an input switch that allows an input of a rank order of the symbols; and a controller, the controller allowing an input of an additional BET from the BET switch for a predetermined period of time after the start of a rearrangement of the plurality of symbols arranged to the display until the rearrangement of symbols, accepting the input of the rank order from the input switch if there has been an input of an additional BET, and generating a predetermined bonus if a quantitative order of the numbers of the respective symbols displayed to the display is same as the rank order inputted from the input switch when the plurality of symbols arranged to the display have been rearranged.