a slot machine which includes a controller for controlling a basic game, and which has a function whereby, in a case that a predetermined condition has been satisfied, a switching signal is transmitted for switching the basic game to a second game that differs from the basic game;

a second game device which is a separate device from said slot machine, and which executes the second game;

a display which displays an image corresponding to a status of the second game executed by said second game device, and which allows a player who is playing the second game at said slot machine to visually confirm the image; and

a central controller which has a function of communicating with said slot machine, said second game device, and said display, and which transmits a start signal for starting the second game, which is executed by said second game device according to the switching signal thus received,

wherein said slot machine and a seat provided near said slot machine for the player are installed on a movable floor,

and wherein said controller raises said movable floor upward according to the switching signal thus received.