| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a Pachinko game machine capable of creating a taste in a big win game and improving the game property by sufficiently retaining effectiveness of a probability variation presence/absence performance function. <P>SOLUTION: A main control device 21 stores a plurality of types of opening/closing patterns for executing a plurality of rounds, in each round, a large winning hole is opened/closed once or a plurality of times, or a plurality of types of opening/closing patterns having a non-probability-variable opening/closing pattern for non-probability variation and a probability variable opening/closing pattern for probability variation. The non-probability-variable opening/closing pattern and the probability variable opening/closing pattern are configured to set timings of opening/closing the large winning hole the predetermined number of times in forefront-side ones thereof or a plurality of rounds in common with each other and to differently set prescribed times in at least one same rounds, and where a probability variable opening/closing pattern is selected, when the prescribed number of game balls enter during the execution of the forefront-side round, this game machine is controlled to execute a notification to win the probability variable win game. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
