I've been working on a game, and I've never used the forum before. I've read nearly every tutorial related to my game and have watched countless YouTube tutorials, but I'm still confused about something.
I understand the concept of setting up a leaderboard, but how does it update throughout every venue? To better explain, let me give an example. Say there is a game that you can play on a website on the PC, or you can download it through Google Play, or you can download it through the Apple store. If three people are playing on three different platforms, how can the leaderboard be linked through them all? Is it integrated through the hosting website/server?
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Read this document on Googles developer site. It may give you some information that can help you.
https://developers.google.com/games/ser ... gameCenter