| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine which makes an operation by a player intervene symbols to be finally arranged on a display. SOLUTION: When a free game is started, a door 47 is respectively displayed in respective symbol display areas 32-46 as a character for covering the symbols, the player is made to select one symbol for each row from 15 symbols arranged accompanying the stop of the rotation of the reels 13-17, the non-selected remaining symbols are changed to the symbols of the same kind as the selected symbol of the same row, and a prize is imparted on the basis of the combination of the symbols after the change. COPYRIGHT: (C)2009,JPO&INPIT
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