| 摘要 |
<P>PROBLEM TO BE SOLVED: To give variety to game frequency to be added concerning a slot machine for performing the addition (add-on) of game frequency of a specific game state during the specific game state. <P>SOLUTION: A slot machine includes: an initial value determination means for determining the initial value of game frequency of the specific game state when a shift to the specific game state is determined; a game frequency counting means for counting the game frequency of the specific game state; and an addition lottery means for performing addition lottery on whether or not the game frequency of the specific game state is added. The addition lottery means performs the first manual addition lottery when an addition lottery performance condition is satisfied and also a presentation switch is operated, and also performs the "n+1"-th (n≥1) manual addition lottery when a prize is won in n-th manual addition lottery and also the presentation switch is operated, so that the manual addition lottery can be performed till the prize is not won in the manual addition lottery. The slot machine includes a game frequency addition means for adding a unit addition value to the game frequency of the specific game state every time the prize is won by the addition lottery means. <P>COPYRIGHT: (C)2013,JPO&INPIT |
