GAME MACHINE

PROBLEM TO BE SOLVED: To improve performance effect until notification of a decision result by drive control of a lamp cover.SOLUTION: When the lottery result is a normal jackpot associated with blue and when a lamp control processing part selects a normal jackpot performance pattern for a double ready-to-win condition, the lamp cover 62 rotates in a normal/reverse direction such that a boundary 92 reciprocates a plurality of times in a prescribed rotation range including a prescribed position facing the front side of a game machine body, thereafter rotates to a first rotation position wherein a blue area 90 faces the front side of the game machine body, and stops. When the lottery result is a provability variation jackpot associated with red and when the lamp control processing part selects a probability variation jackpot performance pattern for the double ready-to-win condition, the lamp cover 62 rotates in the normal/reverse direction such that the boundary 92 reciprocates a plurality of times in the prescribed rotation range, thereafter rotates to a second rotation position wherein a red area 91 faces the front side of the game machine body, and stops.