| 摘要 |
PROBLEM TO BE SOLVED: To provide a new interest to a game player. SOLUTION: A BB winning comprises a super BB winning and a normal BB winning. When the super BB winning is obtained, a larger number of medals than when the normal BB winning is obtained become easier to acquire. Under stock time mode, an electronic lottery is performed at a BB winning storage section 49. When a BB winning flag is drawn at the BB winning storage section 49, the lottery is written in a BB winning storage memory 55 after being sorted into classifications. Before the game is transferred to a BB game, an electronic lottery is performed at a winning character converting section 44. When a super BB winning flag is drawn at the winning character converting section 44, and a normal BB winning flag is written in the BB winning storage memory 55, the normal BB winning flag is rewritten to the super BB winning flag. At the same time, the conversion from the normal BB winning to the super BB winning is displayed for the game player.
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