Patent ID: 8382577

Claim:
A gaming machine comprising: a symbol display device that includes a plurality of video reels and is capable of variably displaying a symbol array having a plurality of symbols displayed on each of the video reels; and a controller configured to: (A) execute a basic game in which gaming media are betted, the plurality of symbols being stop-displayed after variably displayed in the symbol display device, and then gaming media whose amount corresponds to the stop-displayed symbols or a combination thereof being paid out, (B) execute a free game in which no gaming media are betted, the plurality of symbols being stop-displayed after variably displayed in the symbol display device, and then, gaming media whose amount corresponds to the stop-displayed symbols or a combination thereof being paid out; and (C) add a plurality of WILD symbols into the symbol array of each of the plurality of video reels except for one video reel during the free game, each of the wild symbols being capable of forming a winning combination in an almighty manner, wherein a number of added WILD symbols in each of the plurality of video reels during the free game is greater than a number of symbols, in each of the plurality of video reels, that are stop-displayed on the symbol display device.