| 摘要 |
PROBLEM TO BE SOLVED: To arouse a player's interest in a game in a probability variable state by suppressing the concentration of the game interest into a display device in the probability variable state and creating a performance effectively using the behavior of game balls as a target of the interest besides the interest in the display device. SOLUTION: This pinball game machine is provided with a ball entering device 35 having a wing member 35b being opened and closed to change over between a game ball easy entering state and a game ball scarce entering state, a special symbol starting hole 35a selecting a win/failure random number for drawing the win/failure for every time of entering a game ball, and a fall operation gate 50 falling a win/failure lottery probability from a high probability to a regular probability by entering of the game ball in the probability variable state. COPYRIGHT: (C)2006,JPO&NCIPI
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