Alien worlds is the metauniverse of NFT defi, which can simulate the economic competition and cooperation between players. By encouraging players to strive for trilium (TLM), users can control the autonomous organization (planet Dao) and get what is necessary for more game playing methods. In the universe of alien worlds, players can obtain NFT (digital game items) to mine TLM, fight and complete tasks in the game. According to their strategy, players can buy and assemble NFTs that are most suitable for their game playing methods. In addition, players can participate in management by electing members of six planet Daos, thus affecting the direction of the game. Trilium (TLM) is a native functional token in alien worlds universe and has the following use cases: planetary Governance: TLM holders can bet on TLM's participation in planetary governance and other potential returns. Mortgage: players can mortgage TLM on selected planets to participate in TLM and NFT mining. In game currency: TLM token is a token in alien worlds. Players need TLM to buy and upgrade items, participate in missions, battles and game related activities. Game incentives: active users may receive TLM as a reward for participation to develop in-game ecosystems and activities. Purchase NFT: cast in-game items into NFT, which helps players mine TLM, participate in battle and complete in-game tasks. The project raised $2.9mm through two rounds of private token sales: seed round: 7.062% of the maximum token supply was sold at $0.0030/tlm. Pre sale round: 3.433% of the maximum token supply is sold at the price of US $0.0021/tlm.