Hi Wafiqah, echo3D could help you with this. Unity is a dynamic game engine with a lot of flexibility and echo3D is a great use for the 3D backend. echo3D can store your assets on the cloud and make your Unity game small. It supports animation and has a geography feature to it as well.

Unity plugin: https://docs.echo3d.com/web-console/manage-pages/content-page/holograms-and-targets Location target feature: https://docs.echo3d.com/web-console/manage-pages/content-page/holograms-and-targets