To permit varying displays to be accentuated, varied patterns to be varyingly displayed and a pattern arrangement of a jackpot to be instinctively grasped in connection with a Pachinko game machine.

The Pachinko game machine 1 starts a varying display of display patterns arranged on a special pattern display device 14 subject to winning of a game ball in a special pattern start opening 16, stops a variation of the display patterns after a prescribed period elapses, and decide whether or not a jackpot is won on the basis of a combination of stopped display patterns. The Pachinko game machine is structured so as to have a display control means 3 to varyingly display patterns displayed on the special pattern display device 14 in a plurality of preset variation directions, following a prescribed procedure.

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