A game apparatus, a storage medium and a computer program, capable of easily and effectively reducing strange images caused by a restriction of a resolution or a refresh rate of a display unit of the game apparatus. The game apparatus comprises: an image generation section (250) for generating a space image of an object space, viewed from a virtual camera; a blurring section (250) for blurring an object first image of a predetermined object (10) of objects in the object space, according to a distance from a predetermined position to the predetermined object in the object space, to generate a blurred object second image; and an execution section (210) for executing a predetermined game by displaying the space image including the blurred object second image on a display section.