This month, Apple decided to be a little pickier about the Game Center entitlement in App Store Connect. Until then, our app was working just fine with Game Center. However, we are now unable to su...

I am trying to create my app on iTunes Connect, so I can add my game center features. When I reach the screen where I fill in the default language, app name, sku number, and bundle id, I receive an...

I can save my game and also fetch it but if I uninstall the game and then install it again, the call to fetchSavedGamesWithCompletionHandler returns 0 games (even if I call it several times). And i...

I created a tester app to test adding a GameCenter leaderboard to a simple SwiftUI game I am creating. I have been unable to figure out how to display the Game Center leaderboard with all the score...

I am creating a game using swift on apple's Xcode 6 beta 6, and trying to add the high score of my game to gamecenter leader boards. I have created the leader boards in gamecenter. So, how do I a...

I am having trouble getting game center to work with my app. Whenever I try to authenticate the user it comes back with the following error: "The requested operation could not be completed becaus...

I want to access player avatar in Android and IOS, I could get userid and username using Social Class but image always returns null!! if ( Social.localUser.authenticated && Social.localUse...

When I use Group Leaderboard in Game Center do I need to use "grp" prefix in id's enumerated in my app? In other words if I will set up my existing game to use Group Leaderboard do I need to add "g...

I have been searching for a few days now an cannot find a thing. I have an ipod touch 4g and have just started adding Game Center to a game i'm working on. This works fine in the simulator, but w...

I am working on a multiplayer game through game center and I am having one problem. When I try to invite one of my friends I get failed status. I have tried with simulator and iphone and with two i...

There are a handful of posts discussing how Game Center's push notifications were fairly unreliable in the sandbox. However, the sandbox is obfuscated with iOS 9 so, I'm not sure why my Game Center...

Im building a react native game app and I want to use game center to log the player in. To be more specific, all I want is the unique id that game center provides for the player. I plan on using fi...

I have the below code to authenticate a local player in Game Center in my SwiftUI app. I want Game Center to prompt user to login if the player is not already login in but this doesn't happen. clas...

How do you remove the invite friend button from a GKMatchmakerViewController? When printing all of the subviews in it I only see the navigation bar. I am presenting it like this: GKMatchmakerVie...

I'm trying to invite nearby players to a match, but the invite is either never sent or never received. GKMatchMaker startBrowsingForNearbyPlayersWithHandler works and returns nearby players that ...

Whenever I authenticate my IOS user in my Xcode simulator (iPhone X), I get the following error: Optional(Error Domain=GKErrorDomain Code=15 "The requested operation could not be completed because...

I implemented GameKit into my iOS game including the saved game feature. Here an example how I save and load a game: MobSvcSavedGameData.h #ifndef MOBSVC_SAVEDGAMEDATA_H #define MOBSVC_SAVEDGAME...

I want to know real name of local player, but GKLocalPlayer's displayName return "Me", not real name. Code what I use: void (^completitionHandler)(NSArray *, NSError *) = ^(NSArray *players, NSE...

How to fetch top 10 scores from a specific gamecenter leaderboard in swift (iOS)? I'd like to fetch top 10 scores and players from leaderbaord and build a custom "HALL OF FAMES" in game. How to fe...

I need to retrieve authenticated player's submited score from Game Center. I use this code to get the score, but it just gets the top score (best score of the leaderboard not the specified player's...

In objC the syntax written by Rawendrich for GKTurnBasedEventListener, which was GKTurnBasedEventHandler there at that time, now changed by Apple is as below. if (!gameCenterAvailable) return; ...

My game went on the app store a few days ago and I cannot see my leaderboard at all. It just says "no data available" However, when I build my game directly to my phone using an ad hoc profile I'm...

Unity's Social.TimeScope documentation says: TimeScope.Today: Only return scores from today https://docs.unity3d.com/352/Documentation/ScriptReference/TimeScope.Today.html However, Apple's na...

This weekend I was working on a game I am developing. On Level 2 a number of players will get the best score (9 moves). Rather than placing everyone with the same score in 1st position, the first ...

I have the following code that I have been using before to handle invitations: [GKMatchmaker sharedMatchmaker].inviteHandler = ^(GKInvite *acceptedInvite, NSArray *playersToInvite) { // Insert ga...