
- Your app is created in iTunes connect.
- Game Center is enabled for your app in iTunes Connect (Manage Game Center section).
- Game Center is enabled for your app in iTunes Connect (Edit current version section).
- You’ve created a Leaderboard and/or Achievement(s)
- The Leaderboard/Achievement(s) are enabled in iTunes Connect (edit current version section)
- The Bundle ID in your project’s Info.plist is the same as your app’s Bundle ID in iTunes Connect.
2011 went by pretty fast!