GitHub - STARasGAMES/Guid-References: Package for Unity that provides functionality for cross-scene references. Inspired by https://github.com/ Unity-Technologies/guid-based-reference. Supports Unity Package Manager.
Permanent UUID System in Unity. Whenever you're making a save system or… | by Gahwon Lee | Medium
GitHub - jconstable/SimpleXSR: Simple cross-scene reference extension for Unity 2018+.