■ In case of running the game for the first time after installing it
1. Please click the ID platform which needs to be linked on the title screen.

■ If already started the game with a guest account
1. Touch Settings (Gear icon) to link your account through the [Account].
- In the case of the guest account, there will be GUEST displayed on the left icon of the game account ID.
- The linked platform name will appear if the account is already linked.
- Please make sure that the linked account platform (Google / Facebook) is unable to cancel due to the system issue.
- Please check the ID account before proceeding with the link.

2. Touch Link Account

- Select connection method. (Google / Facebook)