Manage your Game Center profile in the Apple Games app on Mac
In the Apple Games app, you can personalize your Game Center profile, manage who can connect with you, and more.
Open the Apple Games app for me
Set up your Game Center profile
Go to the Apple Games app
on your Mac.Click Continue, click Continue with Apple Account, then choose one of the following:
Use the same Apple Account as your Mac: To use the same Apple Account with Game Center that you use to sign in to your Mac, click Use This Account.
Use a different account: To use a different Apple Account, click Choose a Different Account and follow the instructions to sign in.
Do the following to customize your player profile:
Choose your avatar: Hold the pointer over your avatar, click Edit, then select an avatar.
Create a nickname: To choose a nickname that your friends will see when you play games together, click Nickname, then enter a name or choose one of the suggestions.
Choose who can see your game activity: Click an option.
Click Continue.
You can also set up your Game Center profile by going to the System Settings app 
, clicking Game Center 
in the sidebar (you may need to scroll down), then turning on Game Center.
View your Game Center profile
Your Game Center profile shows your nickname, achievements, friends, and challenges.
Go to the Apple Games app
on your Mac.Click your avatar in the top right.
Edit your Game Center profile
You can edit the nickname or avatar you want others to see in Game Center. Your nickname and avatar are always visible to your friends. In games with global leaderboards, they’re also visible to everyone.
Go to the Apple Games app
on your Mac.Click your avatar in the top-right corner of the window, then click Edit Profile.
Do any of the following:
Edit your avatar: Hold the pointer over your avatar, click Edit, select an avatar, then click Save.
Edit your nickname: Select your current nickname, then enter a name or choose one of the suggestions.
When you’re finished, click
.
You can also edit your Game Center profile by going to the System Settings app
, clicking Game Center in the sidebar (you may need to scroll down), then clicking Customize Profile.
To change your Game Center privacy settings, see Game Center settings on Mac.
Sign out of your Apple Account in Game Center
Go to the System Settings app
on your Mac.Click Game Center
in the sidebar. (You may need to scroll down.)Scroll to the bottom of Game Center settings, then click Sign Out.