| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine where the profit of a player is increased and his/her expectation is improved by playing for a long period. SOLUTION: Whether to shift a step displayed by a step display means is decided by drawing at each game. When the display of the step display means reaches a prescribed step, an advantageous situation is generated. Thus, the user can play a game in the state of keeping expectation until reaching the step. COPYRIGHT: (C)2003,JPO
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