Use Game Center to play with friends – Apple Support
Open Settings. Scroll to Game Center, then tap it. If Game Center isn’t on, turn it on, then sign in with your Apple ID.*
Game Center Overview – Apple Developer
Bring even more fun and connection to your games with Game Center, Apple’s social gaming network. Game Center lets players build an identity and connect with …
How to Log in to Game Center: 11 Steps (with Pictures) – wikiHow
All you’ll need to do is log in to Game Center with your Apple ID account and password on your iPhone, iPad, or Mac. Once you’re signed in, you …
How do I log into Game Center? (iOS)
Go to your device’s home screen · Open the Settings app · Select Game Center · Tap the Apple ID field · Select Sign In.
My game center login failed and I’m locked out of my account. How do I get back in? – Reddit
Uninstall and reinstall the app. · Open the game app with new guest account, DO NOT link to Game Center or Facebook yet. · Complete the tutorial.