| 摘要 |
PROBLEM TO BE SOLVED: To improve a player's interest by executing a performance with a story accommodating to a variation time of various length.SOLUTION: A game control part executes a prior determination of a special symbol lottery for a game ball entering an operation-start hole. A performance control part identifies a candidate of an outcome performance for a specific reservation ball on the basis of a result of the prior determination by the game control part. Further, the performance control part determines a preceding performance preceding to the outcome performance on the basis of the identified candidate of the outcome performance, and the number of variations and a variation time based on the preceding reservation balls. After having executed the preceding performance, the performance control parts selects and executes the outcome performance corresponding to the executed preceding performance. |
