| 摘要 |
PROBLEM TO BE SOLVED: To prevent lowering of a player's interest.SOLUTION: When executing a mission performance in mission related processing to be executed in timer interruption processing (sub), if a mission lottery object winning combination is won, a sub control part executes special mission performance lottery processing. A special mission can be attained more easily than a content of a currently-presented mission. After termination of the currently-executing mission performance, when the special mission performance is won, the sub control part, after executing a prescribed number of games, executes the special mission performance.SELECTED DRAWING: Figure 16 |
