Player character related information stored in a player character related information memory changes in accordance with progress of a video game. Initial area information stored in an initial area information memory indicates an initial state of each of a plurality of areas on which a player character can move. Latest area information stored in a latest area information memory indicates a progress status of the video game in the same area as the area indicated by the initial area information, and is updated in accordance with progress of the video game in the area. It is determined whether to use the initial area information or latest area information in response to an operation of the player. The player character related information is updated in accordance with control content using the latest area information in a case where it is determined to use the latest area information.