| 摘要 |
A slot machine includes a CPU and a lower liquid crystal display. The CPU displays a plurality of lower treasure boxes on the lower liquid crystal display. The CPU selects one lower treasure box from among the plurality of lower treasure boxes displayed on the lower liquid crystal display in response to an operation by a player. The CPU decreases the number of non-selected lower treasure boxes displayed on the lower liquid crystal display by using code numbers which are assigned to the plurality of lower treasure boxes and prevents the player from selecting one or more decreased lower treasure boxes, or increases the number of lower treasure boxes to be displayed on the lower liquid crstal display and allows the player to select one or more increased lower treasure boxes, when a contet of the selected one lower treasure box is identical to a certain content. |
