Broadcast and Share Games and Game Stats

I am not a gamer. On the rare occasion that I play any game, I do so casually and non-competitively. However, if you like games—especially if you like playing competitively with others—Apple’s Game Center offers an easy way to broadcast your information and share games with other people.

Game Center is both an app (for Mac and iOS) and infrastructure—if a game includes support for Game Center, the system can track your scores and achievements (showing how yours compare to others’), and facilitate inviting friends to join in multiplayer games.

Enable Game Center

On a Mac: Open Game Center (found in /Applications). If you see Apple ID and password fields, fill them in and click Sign In. (If you see your Game Center nickname, you’re already signed in.)
On an iOS device: Go to Settings > Game Center. If your Apple ID is not already listed at the top, tap Sign In and follow the prompts.

Once you’ve signed in, the scores, achievements, and other statistics from the Game Center-aware games you use are automatically made public ①, but only under your nickname.

**①** Game Center’s main screen on an iPhone looks something like this (except you’ll probably have more games, friends, and so on). — ① Game Center’s main screen on an iPhone looks something like this (except you’ll probably have more games, friends, and so on).

To change your nickname or other preferences, follow the steps ahead.

Configure Game Center

On a Mac: In Game Center, choose Account > Settings ②.

**②** The main Account Settings screen for Game Center on a Mac. — ② The main Account Settings screen for Game Center on a Mac.

On an iOS device: Go to Settings > Game Center.

Then you can adjust the following:

Allow Invites: Lets other people invite you to join multiplayer games.
Nearby Players: Lets people nearby invite you to games, even if they’re not friends.
Friend Recommendations: Turn on Contacts and/or Facebook to let Game Center find other participants to recommend to you as friends.
Profile: Click Edit (Mac) or tap your nickname (iOS ③). Type your nickname, the “handle” other players will see in places where your real name is not displayed.

③ Modify profile settings on this iOS screen.

You can also turn on Public Profile: if you turn it on, you’ll make your profile (which includes your real name) visible to the public and let Game Center recommend you to other players.

Add Friends

In the Game Center app:

On a Mac: Click Friends and then click Add Friends.
On an iOS device: Tap Friends > plus icon.

Now enter a friend’s email address or nickname, type an optional message, and click or tap Send. The friend must accept the invitation in Game Center.

See Friends’ Games

Go to Friends and then click or tap a friend to see that person’s installed games, scores, and achievements.

Challenge Friends

Go to Games.
Click or tap a game.
Select one of your leaderboard scores or achievements.
Click or tap Challenge Friends.
Compose a message to one or more of your friends.

The friend can then respond to an alert in Game Center.

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