I have two devices (iPod, iPhone), each using a different Apple ID. I have an existing game to which I'm adding TBM. When the iPod invites the iPhone, it sends an iMessage invite to the iPhone; when I click on that message, I get "Retrieving", then Game Center in Settings is opened, not my App (same version installed on both devices). I start my App on the iPhone and that match is not shown in the Matchmaker View Controller. When I send an invite from the iPhone to the iPod and I click on the iMessage invite, the app starts but the match isn't listed in the MatchMaker ViewController on the iPod (but is on the iPhone). In addition, when I click on the info circle on the iPhone, it who's the two players and "App Store" under the Game Center name. However, When I do the same on the iPod, it has a "Play your turn" there. Any ideas?

After authenticating the user I'm loading my Game Center leaderboards like this: let leaderboards = try await GKLeaderboard.loadLeaderboards(IDs: [leaderboardID]) This is working fine, but there are times when this just returns an empty array. When I encounter this situation, the array remains empty for several hours when retrying, but then at some point it suddenly starts working again. Is this a known issue? Or am I hitting some kind of quota maybe (as I do it quite often while developing my game)?. Edit: My leaderboards are grouped in sets if that makes any difference here.

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I do not understand how offline leaderboard submission is supposed to work in Game Kit: While the documentation briefly states that offline submission is supported, how is that even possible when you first have to fetch a leaderboard object in order to then call its submitScore function? How can I get the leaderboard object in the first place when offline? Can anyone enlighten me how this works? Or maybe point me to some relevant documentation?

Hello, I hope you are doing well. I recently submitted my app for review, and it was rejected. However, I am still unsure about the exact reason for this decision. I carefully reviewed the feedback provided, but some points remain unclear to me. Could you please clarify which specific guidelines were not met, or which parts of the app need to be changed or improved? My goal is to fully understand the issue so I can fix it properly and ensure that the app complies with all App Store Review Guidelines in the future. Thank you in advance for your time and support.

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苹果12内存不够用，怎么办

I'm developing a game that supports GameKit turn based matches. What I don't understand is this: Is tapping on the Game Center notification push messages the only way for the GKTurnBasedEventListener to trigger? What if someone misses the push message (swiping it away by accident or something like that) but still wants to join? Is there some inbox somewhere where the pending messages can be seen or fetched? Also it was mentioned in a very old WWDC video (from 2013, I think that's the latest with information about turn based matches) that the notification also includes a badge for the icon. However, I do not understand how to implement that. Is there any documentation for that?

I'm developing a turn based game. When I present the GKTurnBasedMatchmakerViewController players can opt in for automatch instead of selecting a specific friend as opponent. How exactly does the matching work if a player doesn't specify anything explicitly? Does Game Center send push notifications in a round robin fashion to all friends and the first one to accept is then matched as opponent? Is this documented somewhere?

Around 2012, we developed an Apple app. Due to the team's lack of technical maturity at the time, my partner eventually gave up on further development. Later, around 2019, I logged into one of my Apple IDs, and it showed that the registration was in progress with the button grayed out. Today, in order to register as a developer, I specifically bought a new iPhone 17 from JD.com. The process went smoothly at first, but after filling in my name and address, completing the facial verification, it just logged me out. Now, when I open Developer, the registration button is grayed out again. It’s quite frustrating. I had hoped the new phone would solve the issue. Back in 2019, I encountered the same problem—I tried logging in on different devices, including my wife’s phone and an iPad, but none worked. Could it be that even a newly registered account would face the same issue today? As someone eager to publish an app, this is truly disappointing. I’m not sure if it’s a system problem or something else. I remember that in 2012, we didn’t do anything wrong, but the team wasn’t technically mature enough, and I urged my partner to keep working on it, though he eventually gave up. Now, as I try to register again, I’ve filled in everything today—my bank card (a debit card), completed facial verification, entered my ID card details, and provided my address. But I never reached the payment step. In the end, when I open Developer, the registration button is grayed out. I hope to find out why this is happening, but I haven’t gotten any answers—just like years ago when customer support simply suggested re-registering without a clear explanation. However, registering with someone else’s information could lead to issues later on. I hope to find a solution.

Leaderboards working fine in iOS 26.1 but seem to be broken in 26.2 and also in the 26.3 developer beta. Players cannot submit scores and neither can they view scores on Apple's default leaderboards. Custom leaderboards that rely on pulling information using GameKit APIs also fail. Is there a workaround or patch for this?

Hello, In our game we enforce an age gate before showing Game Center sign‑in. Only after the user passes the age gate do we call GKLocalPlayer.localPlayer.authenticateHandler. The reason I’m asking is that we want to reliably detect if the game was launched from a Game Center activity in the Games app (iOS 26+). If the user prefers to enter via activities, we don’t want to miss that event during cold start. Our current proposal is: Register a GKLocalPlayerListener early in didFinishLaunchingWithOptions: so the app is ready to catch events. Queue any incoming events in our dispatcher. Only process those events after the user passes the age gate and authentication succeeds. My questions are: Does player:wantsToPlayGameActivity:completionHandler: ever fire before authentication, or only after the local player is authenticated? If it only fires after authentication, is our “register early but gate processing” approach the correct way to ensure we don’t miss activity launches? Is there any recommended pattern to distinguish “activity launch” vs. “normal launch” in this age‑gate scenario? We want to respect Apple’s age gate requirements, but also ensure activity launches are not lost if the user prefers that entry point. Sorry if this is a stupid question — I just want to be sure we’re following the right pattern. Thanks for any clarification or best‑practice guidance!

As GKGameCenterViewController has been deprecated, it seems that GKAccessPoint is now the correct way to present the GameCentre leaderboard. But the placement options for the GKAccessPoint are very limited and lead to misaligned UI that looks clunky, as the GKAccessPoint does not align with the system navigation toolbar. Am I missing something here or am I just stuck with a lopsided UI now? I much preferred how this previously worked, where I could present the GKGameCenterViewController in a sheet from my own button

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I successfully registered an account a few days ago and tested the app internally, but when I published the link, the application automatically expired. When I submitted it again, I received the message: "There was an error processing your request. Please try again later." I have contacted support but have not received a response. Case ID: 102861441465

For apps that support Game Center, calling presentViewController on a GKGameCenterViewController yields no data for leaderboards or achievements, regardless of which iOS version you're simulating (works fine on device, but doesn't work in simulator).

I'm building an iOS word game (Gramfall) and no production App Store users can see their own scores on any leaderboard, despite Game Center authentication succeeding and no errors being thrown. The same code works correctly in development and all 6 leaderboard submissions fire "Score submitted" notifications on my dev device. 6 leaderboards in App Store Connect (3 Classic all-time, 3 Recurring monthly) and all are Live Production App Store users: authenticated, scores submitted, no errors — scores never appear Development build: all 6 submissions confirmed via Settings → Developer → Notify About Score Submissions Affected users cannot see their own score on the leaderboard from their own device. This rules out privacy/visibility restrictions as a player should always see their own score. This suggests submissions are either silently failing or being accepted but not recorded in the production Game Center environment. What we have ruled out Leaderboard ID mismatch (Everything in App Store Connect matches) Authentication failure (GKLocalPlayer.local.isAuthenticated is true, app shows "Connected") All 6 leaderboards load with releaseState(rawValue: 1), isHidden: false Account-level restrictions effectively ruled out as it affects all users, not one account endGame() fires correctly, confirmed in dev Questions Is there a known difference in how GKLeaderboard.submitScore behaves between the sandbox and production Game Center environments that could cause silent failures? Is there any way for a submission to return no error yet still not be recorded in production? Code func submitGameResult(timeSeconds: Int, score: Int, longestWordLength: Int) { guard GKLocalPlayer.local.isAuthenticated else { return } Task { do { try await GKLeaderboard.submitScore(timeSeconds, context: 0, player: GKLocalPlayer.local, leaderboardIDs: ["gramfall.lb.time", "gramfall.lb.time.monthly"]) try await GKLeaderboard.submitScore(score, context: 0, player: GKLocalPlayer.local, leaderboardIDs: ["gramfall.lb.score", "gramfall.lb.score.monthly"]) try await GKLeaderboard.submitScore(longestWordLength, context: 0, player: GKLocalPlayer.local, leaderboardIDs: ["gramfall.lb.longestword", "gramfall.lb.longestword.monthly"]) } catch { print("[GameCenter] submitGameResult failed: \(error)") } } }

Hello, I am developing an macOS app and planning to implement a cross-platform save feature. I have two questions regarding the App Store Review Guidelines and Game Center integration. 1. Requiring Game Center exclusively for an optional "Cross-Save" feature (Guideline 5.1.1 & HIG) in macOS To comply with Guideline 5.1.1(v), we do not force users to sign in to Game Center upon app launch. Users can fully access the core features, play locally, and even use standard iCloud sync without any Game Center authentication. However, to use the specific, optional "Cross-Save" feature (which syncs data across different platforms via our proprietary backend), we intend to require Game Center login. Question: Is it acceptable to prompt for and require Game Center authentication only when the user explicitly tries to enable this specific cross-save feature? 2. Associating Game Center IDs with a proprietary backend account (Guidelines 4.5.3 & 4.5.5) To facilitate cross-progression, our backend server plans to authenticate the user using Game Center's identity verification signature via fetchItems(forIdentityVerificationSignature:). Once authenticated, we want to link the user's Game Center ID (specifically, teamPlayerID or gamePlayerID) to our proprietary service account in our own database. Question: Guidelines 4.5.3 and 4.5.5 state that we should not share Player IDs with "any third party." Does storing and linking the Game Center ID to our own backend server account (strictly to manage our game's cross-saves) fall under this "third party" restriction, or is our proprietary backend considered a permitted, first-party use? I want to ensure our implementation fully complies with Apple's privacy and user experience standards. Any insights would be greatly appreciated. Thank you.

My auto-renewable subscription products are approved in App Store Connect, but fetchProducts() returns 0 products when testing in Production & Testflight. Debug output shows: "products.size is 0 - no products fetched! Expected 6 products." All my business agreements are active. Has anyone faced this before? What do you recommend? Thank you.

My game supports both GameCenter, setting up a custom host and local games against bots. To log in to GameCenter and be able to handle invitations from other players, I set GKLocalPlayer.local.authenticateHandler after the app finished loading. But it seems that whenever I’m disconnected from the internet for more than 24 hours, setting GKLocalPlayer.local.authenticateHandler causes the whole window to be obfuscated by an alert telling me that I have no internet connection. When this happens, if I connect to the internet and disconnect again, the alert is not shown anymore. This is a huge problem because the alert prevents a user from using any other feature of the app unrelated to GameCenter, since there's no way to dismiss it. Is this really intended behaviour or how is a user supposed to continue using the app that supports GameCenter and does not rely on it, while being disconnected from the internet? I created FB22951946.