| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine which can make players still feel expectations for further development of a performance despite the present failure in its development after the requirements for the development of the performance are established.SOLUTION: The slot machine includes: a pattern 1 in which a performance A is conducted at the time of the starting operation of a game but thereafter, it is failed to be developed to those B and C and the performance A is ended at the third stoppage; a pattern 2 in which the performance A is conducted at the time of the starting operation of a game, thereafter, developed to the performance B at the first stoppage but its further development to the performance C is failed and the performance B is ended at the third stoppage; and a pattern 3 in which the performance A is conducted at the time of the starting operation of a game, thereafter, developed to the performance B when a time T1 passes but its further development to the performance C is failed and the performance A is ended at the third stoppage. The selection of patterns 1-3 is set according to a probability which makes the degree of expectation for winning the lottery for the BB (big bonus) higher in the patterns 2 and 3 than in the pattern 1. |
