Patent ID: 8574073

Claim:
A game system comprising a game device, a controller device, and a portable display device, wherein: the controller device comprises: a movement data output section for outputting movement data based on a movement of the controller device; and an operation data output section for transmitting operation data including the movement data to the game device; the game device comprises: a first receiving section for receiving the operation data from the controller device; a game process section for performing a game control process based on the operation data to generate a first game image and a second game image based on a result of performing the game control process; a first image output section for outputting the first game image to a predetermined display device separate from the portable display device; and a second image output section for outputting the second game image to the portable display device; the portable display device comprises: a second receiving section for receiving the second game image from the game device; and a display section for displaying the second game image; and the game process section comprises: an object control section for calculating the movement of the controller device based on the movement data to move a first object in a virtual game space based on the movement; a second image generation section for generating a second game image, which includes an image representing the first object before the first object moves but which changes so as to no longer include the image representing the first object as the first object moves; and a first image generation section for generating the first game image by setting a first virtual camera in the game space so that the first object, at least after the first object is moved, is included in a viewing field range.