If you share your Mac with someone else, make sure that you're logged in to your Mac with your own user account, not someone else's account. If you still don’t see your data and you were playing on a different device, check your settings on that device. Go to Settings > Game Center to see the Apple ID that you're using with Game Center. Make sure that you're signed in to Game Center with the same Apple ID that you use on your other devices. Make sure that you're signed in to iCloud with the same Apple ID that you use on your other devices. Check your settings on your iPhone, iPad, or iPod touch Make sure that you have an iPhone or iPod touch with the latest version of iOS, an iPad with the latest version of iPadOS, a Mac with the latest version of macOS, or an Apple TV with the latest version of tvOS. If you can access your gameplay data on one device but not on another, you might need to check your settings. If you don't see your gameplay data on a device If you're signed in to the same iCloud and Game Center account s and download Apple Arcade games from the App Store on all of your devices, you can access your game saves and progress on all of them.
You can use iCloud and Game Center to keep your progress, high scores, and game saves up-to-date across your devices. Access your Apple Arcade gameplay data on all of your devices