A game system is provided in which a plurality of pairs, each consisting of: a first input device provided with a first operation section; and a second input device provided with a second operation section, are wirelessly connected to a game apparatus, and in which a game process is executed based on operation data obtained from the first input device and the second input device. As an example, each of the first input device and the second input device includes a display section, wireless communication means for performing communication for the operation data and information regarding each pair, and a display control section for controlling a display form of the display section. The display control section controls the display form of the display section so as to be a display form corresponding to each pair. The game apparatus executes the game process based on the operation data for each pair.