| 摘要 |
PROBLEM TO BE SOLVED: To suppress deterioration in taste by explicitly modulating a lottery content.SOLUTION: A game machine includes generator lottery means that executes a generator lottery using a game ball entering from a prescribed entry hole and executes a jackpot game on the basis of entry of the game ball in the prescribed entry hole. The game ball entering from the prescribed entry hole is subjected to the generator lottery that is executed in such a form as to make a lottery process visible. In a normal state, the generator lottery is executed to be won only at a prescribed expectation degree, however, in a high probability state, to be won at a higher expectation degree than that in the normal state. Though the generator lottery is executed in such a form as to make the lottery process visible, the expectation degree of winning the generator lottery is changed in such a form that it is difficult for a player to acquire the change from an operation mode of the generator lottery means. |
