First, operation data is acquired from an input device that is operated by a user. Next, a target is configured, by utilizing the operation data, within a predetermined range which is frontward in a forward direction of a course where a user object should move along and which is defined based on the course. Next, a moving direction of the user object is determined based on a position of the user object and a position of the target. Next, the user object is moved toward the moving direction determined by a moving direction determining means.