To provide a game machine capable of enhancing amusingness of a game during a specific game state.

When control is performed to come into a jackpot game state, a jackpot type is determined from among a plurality of types of jackpots including first normal and first probability-variation jackpots in which control for repeatedly performing unit rounds the same number of times is performed, and second normal and second probability-variation jackpots. In the first normal and first probability-variation jackpots, all the unit rounds for being repeatedly performed include a unit round for being controlled to a first opening mode control state (A). In the second normal and second probability-variation jackpots, the unit rounds for being repeatedly performed include the unit round for being controlled to the first opening mode control state, and a unit round for being controlled to a second opening mode control state, the period of which is shorter than a period of the first opening mode control state (B).