Gametree is a blockchain-based metaverse platform and a play-to-earn game using NFT. The platform service on Metaverse allows small and medium-sized game developers to gain competitiveness in the Metaverse world and leads the expansion of the ecosystem within Metabus. NFT is available in P2E games and is used to extend governance along with staking, and is used on a meta-bus platform by introducing a DAO system, and governance participants are rewarded with a GTCOIN or governance token.