| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which by no means makes games monotonous by causing a change pertaining to valid lines along with tricky playing potentialities. SOLUTION: The game machine 1 is provided with prize winning lines 8a and 8e as possible valid lines, an internal winning combination decision means for determining the internal winning combination responding to the operation of starting the game by players and a valid line lottery means for determining one valid line by a lottery. The one valid line determined by the valid line lottery means is controlled to be made invisible for the players entirely over one game. The winning of the winning combination displayed or the establishment of the combination is accomplished when the prescribed combination of a plurality of figures drawn respectively on the outer peripheries of reels 3L, 3C and 3R corresponding to the internal winning combination is stopped and displayed on the one valid line determined by the valid line lottery means. COPYRIGHT: (C)2007,JPO&INPIT
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