To provide a slot machine, capable of increasing player's interests in a game, and achieving excellent game performance by properly generating continuous chances while correctly restricting the range of speculativeness.

The slot machine 1 includes an internal lottery means 41 to exclude a bonus symbol combination from subjects to internal lottery when a bonus symbol combination flag is set, and set the bonus symbol combination to be a subject to the internal lottery when the bonus symbol combination flag is not set, a residual bonus advantage determining means 453 to preliminarily determine whether or not residual bonus advantage in a bonus state being generated is given when a bonus symbol combination is won while the bonus state is being generated, a notification determining means 46 to determine whether or not the content of determination by the residual bonus advantage determining means 453 is notified to a player, and a notification means 7 to notify the player of the content of determination when the notification is determined by the determining means 46.