GAME SYSTEM, CONTROL METHOD USED IN THE SAME AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To provide a game system capable of gathering the user of each user terminal around a display device.SOLUTION: A user terminal 8 is connected to a game system 1 through a local area network 5B. The game system 1 includes a game machine GM provided with a monitor MO for displaying an arcade game screen AG. When a prescribed use condition is satisfied in a mobile game provided by each user terminal 8, the game system 1 gives a play right to play a special mission using the arcade game screen AG to the user terminal 8 satisfying the prescribed use condition, and acquires play action information for reflecting play actions to the user terminal 8 with the play right given thereto on the arcade game screen AG such that the special mission is provided to the user terminal 8 with the play right given through the arcade game screen AG.