| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine with which a user can play for a long time at ease. SOLUTION: When a ball enters a start hole 31, a count value of subtracting a count value of a prize ball counter 463M from a count value of a shot ball counter 463L stored in a parameter storing area 463N is stored in a RAM 463 as a difference between numbers of balls, and big winning numeric values are acquired from a numeric value table 71 stored in a ROM 462A on the basis of the difference (S3). When an algebraic value V used as a count value for winning stored in the parameter storing area 463N matches with either one of the winning numeric values, a big win is generated (Yes in S4). When a big win is generated in a normal mode, a numeric value for probability change is acquired from the numeric value table 71 stored in the ROM 462A on the basis of the difference, and an acquiring process of a time shortening and probability change mode is performed (S5). COPYRIGHT: (C)2004,JPO
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