| 摘要 |
<p>PROBLEM TO BE SOLVED: To maintain a user's sense of expectation by making it difficult to decide which winning is generated, and thereby preventing a player from predicting a diversified game progress.SOLUTION: When a game ball enters a start pocket 8, control a display device 4 to variably display performance symbols 15 and, after a prescribed period of time passes, stop and display them. When jackpot or small winning is generated as a result of a winning/losing lottery by a main control unit, the display device 4 displays a game participation type performance where a display state changes on the basis of operation of a game intervention operation part 7, and winning processing is performed while the display is performed. However, even when a jackpot winning which causes probability variation is generated, the display device 4 does not always display the game participation type performance.</p> |
