Beginning iOS Game Center and GameKit (2nd ed.)

Create fun and polished games and gamify your apps with GameKit and Game Center. This fully updated new edition of Kyle Richter’s classic can help you reach new customers through social integrations, multiplayer, and achievements. Quickly add a level of polish to your apps that used to take weeks of hard work and late nights. Implementing a leaderboard and achievement system has never been so simple! Gone are the days of writing and maintaining your own server. You'll also see how to easily add