| 摘要 |
PROBLEM TO BE SOLVED: To increase expectation of a player by effectively dramatizing the occurrence of a special game condition. SOLUTION: A waiting screen is displayed during waiting for customers, and only when materialization of conditions for execution of a variable display is not detected for longer than a prescribed period, probability variation is judged, a command for displaying probability variation is set, and the earth and an airplane are displayed on a variable display device as a background for notifying constant probability variation. |
