| 摘要 |
PROBLEM TO BE SOLVED: To set an effective line in a mode easy for a player to understand. SOLUTION: Variable display areas 5A-5I are arranged in matrix. The setting object of an effective line controlled to a state advantageous for a player when a specified pattern combination is attained is divided to aggregates of vertical variable display area lines, aggregates of horizontal variable display area lines, and aggregates of oblique diagonal variable display area lines, and the effective line is set in aggregate unit. |
