A metaverse is a shared virtual 3D world or multiple worlds that are interactive, immersive, and collaborative. Just as the physical universe is a collection of interconnected worlds in space, the meta-universe can also be thought of as a bunch of worlds. Large-scale online social games, such as Battle Royale Dominate Fortnite and user-created virtual worlds such as Minecraft and Roblox, reflect some elements of this idea.