Slot Machine Offering Special Award And Control Method Thereof

Abstract

According to a slot machine of the present invention, the first special award is offered in the case that the specific symbol is not stop-displayed in a game, is stop-displayed in the next game, and is not stop-displayed again in the following game, that is, in the case that the specific symbol is not stop-displayed in the successive games. On the other hand, the second special award is offered in the case that the specific symbol is stop-displayed in successive games. The second special award is larger than the first special award.

1 . A slot machine comprising:
 a symbol display capable of variably displaying a plurality of symbols including normal symbols and a specific symbol as a trigger for offering a first special award or a second special award larger than said first special award; and   a controller,   said controller programmed to execute processing of   (A) stop-displaying said plurality of symbols after variably displaying said plurality of symbols, to said symbol display,   (B) offering said first special award, when said specific symbol is not stop-displayed in said processing (A) in a game, is stop-displayed in the next game, and is not stop-displayed again in the following game, and   (C) offering said second special award when said specific symbol has been stop-displayed in said processing (A) in successive games.   
   
   
       2 . The slot machine according to  claim 1 ,
 wherein   said processing (B) includes processing of   offering said first special award, when said specific symbol is   not stop-displayed in the game after having been stop-displayed in said processing (A) in the successive games,   is stop-displayed in the next game, and   is not stop-displayed in the following game.   
   
   
       3 . The slot machine according to  claim 1 ,
 wherein   said processing (C) is processing of   offering the second special award corresponding to a number of the successive games, when said specific symbol is not stop-displayed in the game after having been stop-displayed in said processing (A) in the successive games.   
   
   
       4 . A slot machine comprising:
 a symbol display capable of variably displaying a plurality of symbols including normal symbols and a specific symbol as a trigger for offering a first special award or a second special award larger than said first special award; and   a controller,   said controller programmed to execute processing of   (A) stop-displaying said plurality of symbols after variably displaying said plurality of symbols, to said symbol display, following a BET of a game medium;   (B) stop-displaying said plurality of symbols after variably displaying said plurality of symbols to said symbol display, even without the BET of the game medium, as triggered by a predetermined condition being satisfied by the normal symbols or by a combination of the normal symbols, the normal symbols having been stop-displayed in said processing (A),   (C) offering said first special award when said specific symbol is not stop-displayed in a game, is stop-displayed in said processing (B) in the next game, and is not stop-displayed again in said processing (B) in the following game, and   (D) offering said second special award when said specific symbol has been stop-displayed in said processing (B) in successive games.   
   
   
       5 . The slot machine according to  claim 4 ,
 wherein   said processing (C) includes processing of   offering said first special award when said specific symbol is   not stop-displayed in the game after having been stop-displayed in said processing (B) in the successive games,   is stop-displayed in the next game, and   is not stop-displayed in said processing (B) in the following game.   
   
   
       6 . The slot machine according to  claim 4 ,
 wherein   said processing (D) is processing of   offering the second special award corresponding to a number of the successive games, when said specific symbol is not stop-displayed in the game after having been stop-displayed in said processing (B) in the successive games.   
   
   
       7 . A control method of a slot machine, said control method comprising steps of:
 (A) stop-displaying a plurality of symbols including normal symbols and a specific symbol as a trigger for offering a first special award or a second special award larger than said first special award, after variably displaying said plurality of symbols, to said symbol display,   (B) offering said first special award when said specific symbol is not stop-displayed in said step (A) in a game, is stop-displayed in the next game, and is not stop-displayed again in the following game, and   (C) offering said second special award when said specific symbol has been stop-displayed in said step (A) in successive games.   
   
   
       8 . A control method of a slot machine, said control method comprising steps of:
 (A) stop-displaying a plurality of symbols including normal symbols and a specific symbol as a trigger for offering a first special award or a second special award larger than said first special award, after variably displaying said plurality of symbols to said symbol display, following a BET of a game medium;   (B) stop-displaying said plurality of symbols after variably displaying said plurality of symbols to said symbol display, even without the BET of the game medium, as triggered by a predetermined condition being satisfied by the normal symbols or by a combination of the normal symbols, the normal symbols having been stop-displayed in said step (A),   (C) offering said first special award when said specific symbol is not stop-displayed in a game, is stop-displayed in said step (B) in the next game, and is not stop-displayed again in said step (B) in the following game, and   (D) offering said second special award when said specific symbol has been stop-displayed in said step (B) in successive games.