Simple Sign-In with Facebook is a Unity asset that enables easy integration of Facebook authentication into your games and apps. It allows users to log in securely, retrieve basic profile information, and manage sessions with minimal setup. Fully compatible with URP and mobile platforms, it supports Android and iOS builds and includes ready-to-use UI components and scripts. With modular design and clear documentation, Simple Sign-In with Facebook helps developers quickly implement social login functionality, improving user experience and engagement in Unity projects.