| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a game machine which executes a special performance mode for improving game amusement.SOLUTION: A variable display device is provided for displaying a stop pattern showing a result of a jackpot lottery after executing a pattern variation game according to a predetermined performance mode, and a probability mode is set at a low probability mode in which the probability of the result of the jackpot lottery becoming a win is low probability or at a high probability mode in which it is high probability. When a shift condition for the performance mode is established, a first special performance period is determined based on the probability mode and a special performance mode is started. The game machine includes: first special performance progress means for progressing the pattern variation game according to the performance for the first special performance period until the first special performance period elapses; and return determination means for determining whether or not to return the performance mode to a normal performance mode. When the game mode does not return to the normal performance mode, and the first special performance period elapses without a jackpot occurring, a second special performance period is started and the pattern variation game progresses with performance for the second special performance period.</p> |
