Facebook Authentication with Firebase in Unity - 2021 - YouTube
Firebase Facebook Auth Integration in Unity Game Development | by Ashish Ramtekkar | Medium
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FR] Support Signin with Facebook Gaming Graph login (which is different from regular Facebook login) · Issue #396 · firebase/firebase-unity-sdk · GitHub
On Login Process, "Open in Facebook" popup causes failure of the login. · Issue #545 · facebook/facebook-sdk-for-unity · GitHub