Android Developers Blog: Improvements to Sign-In with Google Play services 8.3

Google Play Games Rolls Out Games Folder On Your Homescreen

Sign-in, Play Games Services

Fix Problems Signing in to Google Play Games or other apps, Login Problem

Google Games tweaks login; introduces unique gamer ids

Migrating from Google Sign-in to Google Play Games Sign-in in Unity Fallback - PlayFab

java - How can I implement google play GAMES sign in? - Stack Overflow

Silent Login for Google Play Games Services on Android - Playfab Community

Can't login to Google Play Games Beta (PC version) with this account - Google Play Community

Google login in stuck in loop · Issue #2107 · playgameservices/play-games-plugin-for-unity · GitHub

I have enabled Epic Account linking on GeForce NOW, but I am still asked to log in to Epic Games to play some games.