There is such option in iTunes-connect.
Here is guide to it https://developer.apple.com/library/ios/#documentation/LanguagesUtilities/Conceptual/iTunesConnect_Guide/15_GameCenter/GameCenter.html
Here are two options you should be looking for
Groups: allows you to share your leaderboard and achievement data between apps. Apps in a group do not need to be multiplayer compatible.
Multiplayer Compatibility: allows you to specify which apps are compatible with a specific app and therefore, allow multiplayer games between the apps. Apps do not need to be on the same platform or in a group to be multiplayer compatible.