Introduction

Framework
/System/Library/Frameworks/GameKit.framework
Header file directories
/System/Library/Frameworks/GameKit.framework/Headers
Companion guide
Declared in
GKAchievement.h
GKAchievementDescription.h
GKAchievementViewController.h
GKChallenge.h
GKChallengeEventHandler.h
GKError.h
GKEventListener.h
GKFriendRequestComposeViewController.h
GKGameCenterViewController.h
GKLeaderboard.h
GKLeaderboardViewController.h
GKLocalPlayer.h
GKMatch.h
GKMatchmaker.h
GKMatchmakerViewController.h
GKNotificationBanner.h
GKPeerPickerController.h
GKPlayer.h
GKPublicConstants.h
GKPublicProtocols.h
GKScore.h
GKSession.h
GKSessionError.h
GKTurnBasedMatch.h
GKTurnBasedMatchmakerViewController.h
GKVoiceChat.h
GKVoiceChatService.h

Game Kit offers features that you can use to create great social games.

Game Kit Features

Game Kit provides three separate pieces of functionality: