PURPOSE: To provide the game machine constituted so that, in the case a special game state being profitable to a player is generated continuously, it is decided and detected and can be informed to the outside.

CONSTITUTION: Based on operation reservation storage stored in the case specific existence of a game ball to a specific position of a game board is detected, variable display devices 6, 10 are subjected to operation control, and a prescribed stop picture pattern of the variable display device 6 is compared with a special stop picture pattern set in advance and decided. This game machine is provided with a CPU for generating a control signal based on its result and generating a deciding signal in the case a speical game state is generated again within a prescribed monitoring period after the special game state is finished, a fluctuation prize-winning device 9 for converting to the special game state in the case the control signal is generated, and a display lamp 77 for informing a fact that the speical game state is continued to the outside in the case the deciding signal is generated.