A game system includes: a virtual camera control unit configured to control a virtual camera configured to take an image of a three-dimensional virtual game space; a game image generating unit configured to generate a game image based on the taken image; a sound reproducing unit configured to reproduce sound data in accordance with a situation of a game; and a first operation acquiring unit configured to acquire a physical and continuous displacement amount of a first operating portion operated by a user. In accordance with a continuous change in the displacement amount of the first operating portion, the virtual camera control unit continuously changes a zoom ratio of the virtual camera, and the sound reproducing unit continuously changes a method of reproducing the sound data.