MetaLine is a large-scale Web3-based multi-connect game for nautical management, adventure and strategy. The game has six system modules, including production and trading system, upgrading system, port system, combat system, NFT system and ecosystem. Through the cooperation and association between different mission systems, achieve rich game play, and build the empire on the sea. With the gradual release of missions, the built-in port system also opens the door for more users to enter the metauniverse. Combined with the combat system, the game experience will reach its peak