| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine which can enhance the attractiveness of a game by substantially varying occurrence probability of a role, such as a chance role to be a winning trigger of an AT, for example.SOLUTION: A slot machine 1 has: main pattern variable display means 2 which variably displays a plurality of types of main patterns; sub-pattern variable display means which variably displays a plurality of types of sub-patterns during variable display of the main pattern; sub-pattern determination means 46 which determines the type of the sub-pattern to be stopped and displayed in a predetermined rate when a specific role is internally won; change state generation means 48 which generates an AT high probability state which changes the predetermined rate; and specific state generation means 49 which generates an AT state which is advantageous to a game player in a predetermined probability on the basis of the type of the sub-pattern which is determined by the sub-pattern determination means 46. |
