| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a problem of lack of fun in a BB game due to predictability of an obtainable medal number in the BB game in a conventional slot machine. SOLUTION: When a general game is being played in the BB game, a BB continuation lottery process to decide completion of BB game continuation is conducted. In this continuation lottery process, a continuation lottery table is set first (step 201). The continuation lottery table is composed as a specified range of random numbers parted to a section for BB completion and a section for BB continuation. Next, random number extraction is executed by a CPU 26, and if completion of BB game continuation is won or not is determined based on the extracted random number (step 202). When completion of BB game continuation is not won, the BB continuation lottery process is completed. When completion of BB game continuation is won, a flag for BB game completion is set (step 203), and then the BB continuation lottery process is completed.
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