Abstract: A gaming machine for starting a bonus game to make it beneficial to the player to acquire coins or the like, so that the player may not feel monotonous. The gaming machine comprises a determination device for determining whether or not symbols displayed in a display 3 contain a feature game combination disclosed to the player, to shift the game to a feature game. The determination device shifts the play mode to a mystery feature game, when the displayed symbols do not contain a base winning combination or a feature game combination but contain a mystery feature game combination not disclosed to the player, and in case a predetermined condition is satisfied.

Abstract: A gaming machine includes: a display that displays a game screen having a plurality of display areas provided with a plurality of symbol display areas; a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; and a controller that controls the display to display the symbols to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas, wherein when a predetermined combination of the symbols is determined by the lottery unit to be displayed in at least one of the display areas, the controller controls the display to replace the predetermined combination of the symbols into a different symbol different from the symbols in the predetermined combination after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.