Methods and systems for joining battle in process

A method performed by a terminal, the method comprising:

• causing display of a graphical user interface associated with a game service provided by a game server, the graphical user interface providing an entry request function configured to enable a user of the terminal to observe a game battle among two or more other users while the game battle is in progress through the game service;
• providing a request to the game server to observe the game battle in progress in response to a selection from the user associated with the entry request function;
• causing display of the graphical user interface including a battle screen for the game battle, the graphical user interface providing a join request function configured to enable the user to join the game battle in progress;
• providing a request to the game server to join the game battle in progress in response to a selection from the user associated with the join request function;
• and
• processing the game battle between the user and the two or more other users through communication with the game server.

A computer apparatus comprising:

• at least one processor configured to execute computer-readable instructions to
• establish a communication session between a first terminal and a second terminal, the communication session involving a game battle between a first user of the first terminal and a second user of the second terminal,
• provide an entry request function to a third terminal, the entry request function being configured to enable a third user of the third terminal to observe the game battle while the game battle is in progress,
• provide information for a battle screen corresponding to the game battle in progress in response to a request received through the provided entry request function,
• provide a join request function to the third terminal through the battle screen, the join request function being configured to enable the third user to join the game battle in progress, and
• process the game battle among the first user, the second user, and the third user, in response to a request received through the provided join request function.