A game system correlates games played on cellular phones with games played on arcade game machines. The game system includes a game machine installed in an amusement arcade, to run a game based on at least points, a floor management unit installed in the amusement arcade, to manage the game machine and be connectable to the Internet, a game content providing unit to provide game content via the Internet, a mobile communication terminal to receive the game content via the Internet and run a game based on the received game content, and a point data management unit to store and update data on points to be won or lost by playing the game on the mobile communication terminal. The floor management unit receives points related to an authenticated person from the point data management unit and enables the game machine for the authenticated person.