Information processing system, information processing apparatus, information terminal apparatus, information processing method, and information processing program

An information processing system in which an object corresponding to each of two or more users are arranged in a virtual space and moving image information indicative of a moving image indicative of a manner in which the virtual space is viewed from a predetermined viewpoint arranged in the virtual space is generated, this information processing system comprising activity information acquisition means for sequentially acquiring activity information indicative of an action of at least one of the two or more users, arrangement region determination means for determining a partial region in the virtual space, in the partial region of which the object is arranged in accordance with the acquired activity information, motion data acquisition means for acquiring motion data stored as related with the activity information in accordance with the acquired activity information, and object control means for making the object act in the partial region in accordance with the acquired motion data.