Mapstar is a decentralized hybrid ar and vr map-based XR metaverse for the physical world where you can create, edit, own, trade, and share Extended Reality (XR) maps, collaborate, or explore the 3D worlds of others.
A virtual reality 2D and 3D centralized world where people can meet and collaborate and play games, owned by Meta
A centralized 2D and 3D virtual reality world where people can meet and collaborate owned by Microsoft.