Apple removed the Game Center app for iOS 10 beta and it doesn’t appear to be coming back.
In its release notes for iOS 10, Apple says developers will now have to implement their own leaderboard interface using GameKit.
The Game Center app has been removed. If your game implements GameKit features, it must also implement the necessary interface behavior for the user to see those features. For example, if your game supports leaderboards, it can present a GKGameCenterViewController object or read data directly from Game Center to implement a custom UI.
Apple also made a few other changes to GameKit:
● A new account type, implemented by the GKCloudPlayer class, supports iCloud game accounts only.
● Game Center provides a new generalized solution for managing persistent storage of data on Game Center. A game session (GKGameSession) has a list of players who are the participants of the session. Your game’s implementation defines when and how a participant stores or retrieves data from the server or exchanges data between players. Game sessions can often replace existing turn-based matches, real-time matches, and persistent saves, and also allow for other interaction models between participants.
As iOS 10 is still in its first beta, Apple might bring back Game Center; however, this seems unlikely as it requires developers to create their own interfaces with GameKit features.
Another notable change in iOS 10 is the ability to remove stock apps. More details on this here.
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