| 摘要 |
PROBLEM TO BE SOLVED: To enable a game machine to easily decide which ball route a game ball shot into a game region runs down along and immediately adjust a shooting strength so as for the game ball to run on the best ball route. SOLUTION: A bell 41 is provided on an upper part of a center case 4 in a middle part of the game region for sounding in a collision with a shot game ball passed through a specified region (a) inclined for the game ball to run on the best ball route for obtaining a prize into a special pattern starting opening or a grand prize opening under the center case 4. Bells 42, 43 are provided on entrances 31a, 32a of warp routes 31, 32 for sounding in a collision with game balls entering the warp routes 31, 32, allowing whether a route on which each of the game balls runs is the best or not to be auditorily judged. In contrast with this, a bell or the like is allowed to be provided on a place like both the left or right borders or the like of the game region where a game ball hardly enters the special pattern starting opening or the grand prize opening.
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