PURPOSE: To provide a pachinko game machine benefitable for a player by a method wherein the number of pinballs the player now has is displayed so that he can see it easily, he can move freely only carrying a recording medium, and at the time of start of a game and a supplement of balls in the course of playing, real pachinko balls are used.

CONSTITUTION: This pachinko game machine is provided with recording and displaying means 22 and 50 which count the number of a player's balls overflowing a ball tray 13 of the pachinko game machine or discharged by an operation of the player, record and display the counted value as a recorded ball number, modifying means 51, 52 and 53 which discharge balls within the recorded number of balls into the ball tray 13 and reduce them from the recorded number of balls, a ball tray counting means which counts the pachinko balls in the tray 13 when a game is finished, and a remountable writing and reading means 24 which rewrites information about the recorded number of balls modified and displayed onto a recording medium which can be carried anywhere, reads the information recorded in the recording medium and writes the total number of the balls together with the value counted by the ball tray counting means into the recording medium.