| 摘要 |
PROBLEM TO BE SOLVED: To provide a new type of game machine.SOLUTION: A game machine includes jackpot game state determination means for determining a jackpot game where an actual number of winning balls differ from the number of winning balls of an expectation value without changing the expectation value of the number of winning balls by performing a lottery using lottery means based on reception of game media into a reception port and then receiving specific operation by a player. Thus, although the expectation value of the number of winning balls does not change, a jackpot game is determined from among a plurality of jackpot games having a different number of winning balls by specific operation of a player, thus enhancing the player's interest. |
