Gaming machine that executes free game and the play method

A gaming machine, comprising:

• a symbol display device which rearranges plural symbols including a specific symbol;
• a bet receiving device which receives, in a base game, betting of a game medium within a predetermined range;
• a controller programmed to execute the following steps of:
• (a1) on condition that the game medium is bet, running the base game in which a predetermined amount of game media is awarded according to the symbols rearranged on the symbol display device;
• (a2) if in the base game the specific symbol is rearranged with a first predetermined condition, establishing a special status in which the specific symbol is added to the plural symbols in a special game;
• (a3) when in the base game the specific symbol is rearranged with the first predetermined condition, running the special game in which a free game is repeated plural times in the special status, the free game being arranged so that it is possible to reduce the number of betted game media to be smaller than the number in the base game and a game medium is awarded with an amount determined in accordance with the symbols rearranged by the symbol display device;
• and
• (a4) if in the special game the specific symbol is rearranged with a second predetermined condition, further adding a free game and making the free game runnable;
• wherein the controller further adds the specific symbol to the plural symbols in the special status when an amount of the game medium received by the bet receiving device is a value greater than minimum bet value in base game the predetermined range.