To provide a game machine capable of improving interest of a game while suppressing complication of control relating to the game.

As a big winning port 8 relating to a special game accompanied by an opening state of the big winning port 8, the game machine is provided with only the big winning port 8 including a specific area 12A capable of generating a high-probability state. When determining whether to execute a special game that is to be performed with forming of a predetermined start condition as a turning point, if determining to execute the special game, the game machine executes a first special game or a second special game accompanied by the opening state of the big winning port 8 in which a game medium is less likely to enter the specific area than in the first special game.