The Sandbox metaverse is a 3D virtual world launched by the creators of the popular virtual reality game Sandbox, which involves allowing online players to build and trade digital assets while playing games in the metaverse. The Sandbox metaverse comes with a built-in marketplace where players can purchase character customization, items, resources, land, and other establishments through NFTs and using cryptocurrencies. The Sandbox metaverse also allows users to create and sell their own NFTs to earn money as well as sell customised gaming experiences. It is one of the most popuilar metaverse platforms for playing games, buying lend and socializing in the virtual world.