Abstract: An information processor includes: a display configured to display a symbol display area on which symbols are displayable; and a controller programmed to execute the processes of: (1a) randomly determining symbols to be displayed outside a symbol display area; (1b) displaying, outside the symbol display area, the symbols determined in the process (1a); (1c) randomly determining a combination of symbols to be displayed in the symbol display area; (1d) displaying, in the symbol display area, the combination of the symbols determined in the process (1c); (1e) when a predetermined condition is satisfied, displaying a predetermined number of symbols out of the symbols displayed outside the symbol display area in the process (1b) in the symbol display area, in accordance with the satisfied predetermined condition; and (1f) after the process (1e), awarding a benefit in accordance with a combination of the symbols displayed in the symbol display area.

Abstract: The frequency of repetition of a bonus game is easily adjusted. An information processor 1 executes processes of: starting a base game on a display 2; in the base game, determining a bonus trigger at a predetermined probability based on base game probability determination data; running, on the display, a bonus game based on bonus game probability determination data with which the game can be more advantageous than the base game, when the bonus trigger is determined; and executing a random determination game including random determination of whether to continue the bonus game based on random determination game probability determination data which is different from the base game probability determination data and the bonus game probability determination data, after the running of the bonus game.