To provide a pinball game machine wherein winning to a start winning port device is easy, and in addition, the panel face constitution is simple.

This pinball game machine is equipped with a special pattern displaying device 21, a start winning port device 40, and a big winning port device (variable winning device) 30. In this case, the special pattern displaying device 21 variably displays patterns. The start winning port device 40 starts the variation of the patterns by the winning of a game ball B. The big winning port device 30 can change a winning port between an opened which is advantageous to a game player, and a closed state which is disadvantageous to the game player. Then, a lid body 31 of the big winning port device 30 opens to open a big winning port 32 provided that a plurality of the patterns become a specified combination. Thus, a game state which is advantageous to the game player is provided by the pinball game machine. In such a pinball game machine, the state winning port device 40 is integrally provided in the big winning port device 30. Then, a winning opening 41 of the start winning port device 40 is integrally formed on the front surface of the lid body 31 which constitutes the big winning port device 30.