To provide a game system allowing each player to aurally, easily obtaining a sound source proximate to a character operated by himself/herself in a game played by dividing a screen.

A predetermined sound is reproduced at a position of a sound source object. The sound is received by a plurality of virtual microphones, and a sound volume of the sound received at each virtual microphone is calculated. In addition, a localization of the sound received at the virtual microphone is also calculated. Furthermore, a localization of a sound to be output to a sound output section is calculated on the basis of the loudness and the localization of the sound received at each virtual microphone. The sound is output to the sound source object on the basis of the localization.