| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can prevent degradation of user's interest in a game.SOLUTION: A game machine has a start port which can receive a game ball shot into a game area. When the game ball enters the start port, the game machine performs lottery processing for a big prize at a predetermined winning probability. When the lottery result indicates that a player has a big prize, the game machine performs a jackpot game for giving a privilege to the player. At a waiting stage before finishing the lottery processing for the big prize, the game machine executes a waiting time performance for suggesting a disadvantage degree in the lottery processing. |
