To provide a game machine which offers new bonus games so far unavailable by enhancing entertaining potentialities in the bonus games, and to provide a play method of the bonus games.

When a free game is generated, slot games in which the number of bets in the normal game mode and the validation of pay lines given at the moment of the generation are maintained as in tact to require no bet with tokens or the like are carried out successively up to the maximum of 20 games (S58). In the process, lottery is carried out per game as for symbols stopped on the pay lines (S53). When the frequency of the games displaying the symbol of "Sawfish" reaches 3 on a video display (S61: YES), the free game is ended even before the total frequency of the games reaches 20. On the other hand, when the total frequency of the games reaches 20, another amount of dividends is awarded to a player (S62) in addition to the total amount of dividends acquired by the player from each game (S56).