A game console controller for use with a mouse used on a mount surface, the mount surface being a substantially horizontal flat surface, the mouse being configured to be capable of generating point data indicating an amount and direction of movement of the mouse on the mount surface and having output means for outputting the point data, the game console controller comprising: a main body capable of being stably placed on the mount surface; at least four keys arranged in such a manner that, as defined in the case where the body is placed on the mount surface, the keys are on a top surface of the body; input can be entered by pressing the key(s) against the body; the keys are arranged in an area where the user can manipulate them with finger(s) of one hand without displacing the entire one hand; and three keys are aligned in a right-to-left direction of the body of the user and one key is disposed on the farther side of the central one of the three keys from the user, as defined in the case where the user is using the game console controller; key data generating means for generating key data, the key data being data of input by the key(s); input means for receiving the point data from the output means; and game console output means for supplying the key data and the point data to the game console; the input means being standardized; wherein the main body is provided with a rod-shaped analog stick with which analog data indicating a direction can be input according to the direction in which the analog stick is inclined, wherein, in use, the keys are disposed on the side farther from the user and the analog stick is disposed on the side closer to the user and more inwardly than the site where the keys are disposed on the main body, the analog stick being disposed in such a manner that the analog stick projects inwardly and wherein the game console controller further comprises a palm rest for allowing a user to rest their left palm thereon, the palm rest being located closer to the user, in use, than the keys, characterized in the analog stick extending horizontally from the inner side of the palm rest. a main body capable of being stably placed on the mount surface; at least four keys arranged in such a manner that, as defined in the case where the body is placed on the mount surface, the keys are on a top surface of the body; input can be entered by pressing the key(s) against the body; the keys are arranged in an area where the user can manipulate them with finger(s) of one hand without displacing the entire one hand; and three keys are aligned in a right-to-left direction of the body of the user and one key is disposed on the farther side of the central one of the three keys from the user, as defined in the case where the user is using the game console controller; key data generating means for generating key data, the key data being data of input by the key(s); input means for receiving the point data from the output means; and game console output means for supplying the key data and the point data to the game console; the input means being standardized; wherein the main body is provided with a rod-shaped analog stick with which analog data indicating a direction can be input according to the direction in which the analog stick is inclined, wherein, in use, the keys are disposed on the side farther from the user and the analog stick is disposed on the side closer to the user and more inwardly than the site where the keys are disposed on the main body, the analog stick being disposed in such a manner that the analog stick projects inwardly and wherein the game console controller further comprises a palm rest for allowing a user to rest their left palm thereon, the palm rest being located closer to the user, in use, than the keys, characterized in wherein the main body is provided with a rod-shaped analog stick with which analog data indicating a direction can be input according to the direction in which the analog stick is inclined, wherein, in use, the keys are disposed on the side farther from the user and the analog stick is disposed on the side closer to the user and more inwardly than the site where the keys are disposed on the main body, the analog stick being disposed in such a manner that the analog stick projects inwardly and wherein the game console controller further comprises a palm rest for allowing a user to rest their left palm thereon, the palm rest being located closer to the user, in use, than the keys, characterized in the analog stick extending horizontally from the inner side of the palm rest.