1. An information processing system comprising: terminal device provided at a user side, for executing predetermined information processing; storage means for storing information of the information processing executed on the terminal device; modifying means for modifying the information of the information processing stored in the storage means in accordance with a result of an event which the user performed by using the information of the information processing; and controlling means provided at the user side, for controlling the information processing executed on the terminal device based on the information of the information processing modified by the modifying means.