| 摘要 |
PROBLEM TO BE SOLVED: To suppress a decrease in interest by providing variations in contents of an accessory lottery performed through a predetermined process.SOLUTION: When a predetermined result is obtained by a point lottery performed in satisfaction of predetermined conditions, an entry lottery relating to permission of entry of a game ball to a predetermined approach path is held. Based on acquisition of a specific result by entry lottery means, a predetermined entrance that is normally closed is opened, thus permitting entry of a game ball to the predetermined entrance. A game ball entering from the predetermined entrance is used for an accessory lottery. The accessory lottery is held in a manner that a lottery process can be visually recognized, and is held such that the accessory lottery is won with a probability higher in a high-probability state than a normal state. Although the accessory lottery is held in a manner that the lottery process can be visually recognized, the accessory lottery is held in a manner that cannot be grasped easily from an operation mode of accessory lottery means, and a probability of winning an accessory lottery is changed.SELECTED DRAWING: Figure 3 |
