A first selecting section selects any one of a plurality of movement control information items. Relationship information between a first game character and a second game character in possess ion of a moving object is acquired. A second selecting section selects any one of the plurality of movement control information items based on a selection result obtained by the first selecting section and the relationship information. The first game character moves based on the movement control information selected by one of the first and second selecting sections. The second game character performs an action for moving the moving object toward a target position based on the movement control information selected by another one of the first and second selecting sections.