| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of enhancing the degree of attention to a game.SOLUTION: An upper bulging part 31 of a front door frame 14 is arranged with an operation part 701 having a button member 720. The operation part 701 is so arranged that a portion of the bottom member 720 protrudes from the upper bulging part 31, and is lowered when an operation surface part 722 of the button member 720 is pushed and opened by a player. In the operation part 701, the portion accommodated in the upper bulging part 31 is so shielded as to be invisible from the outside. In the case where a specific situation comes, the protrusion from the upper bulging part 31 is increased so that the operation part 701 rises to make the inside of the operation part 701 visible through the portion which is protruded from the upper bulging part 31 by said rise. In the upper bulging part 31, there is disposed a performance device 760 for performing a display performance in the internal area IE of such an operation part 701 as becomes visible when the operation stroke increases. |
