1. A storage medium having a game program stored therein to be executed by a computer of a game apparatus for causing a display apparatus to display an image of a three-dimensional game space, in which a plurality of characters each of which can be an operation target of a player appear, as seen from a virtual camera, wherein the game program causes the computer to execute: a selection step of selecting one of the plurality of characters as a selected character; a motion control step of causing the selected character to perform a motion in accordance with an operation by the player, and causing non-selected characters, which are the plurality of characters other than the selected character, to perform a motion based on a predetermined motion rule; a first display control step of setting a position of the virtual camera in accordance with a position of the selected character and thus causing the display apparatus to display an image of a partial area of the three-dimensional game space taken by the virtual camera, and causing the display apparatus to display a cursor over the image of the partial area; a designation target change step of changing a target designated by the cursor on the image of the partial area in accordance with an operation by the player; a first change step of, when a first operation by the player is performed in the state where one of the non-selected characters is designated by the cursor on the image of the partial area, changing the current selected character to a non-selected character and changing the non-selected character designated by the cursor to a newly selected character; and a second display control step of, when the selected character is changed in the first change step, changing the position of the virtual camera in accordance with a position of the newly selected character and thus causing the display apparatus to display a partial area of the three-dimensional game space taken by the post-movement virtual camera.