When you remove a player from your list, you’re also removed from their list. Remove friends: Select one or more players in the list, then click the Remove button.
In your Game Center account, do any of the following: At the bottom of the pane, click the Add button, click Add Other Account on the right, then scroll down and click “Game Center account” (you may need to sign in with your Apple ID). If you don’t see a Game Center account in the sidebar, you can add it. Open Internet Accounts preferences for me On your Mac, choose Apple menu > System Preferences, then click Internet Accounts.
