Game Center is not working and responding at all.
I Can't get Gamecenter to work on my iPod touch 6th Generation.
iPod touch, iOS 9.3.1, Gamecenter stopped working
Not knowing what happens when you try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Sign out and then sign back into Game Center
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
Restore your device from an iCloud or iTunes backup - Apple Support
- Restore to factory settings/new iOS device.