BioBrawlers is an exciting multiplayer game developed to combine fun with learning, revolving around the themes of Sustainable Development Goals (SDGs). It was built with a Node.js backend, Unity and C# frontend, and features user authentication, login systems, and the ability to join either private lobbies or public games. The game features a variety of mini-games where you compete with friends to achieve environmental and community-related objectives. Whether you're cleaning up beaches, delivering electricity, or racing through seasons, BioBrawlers offers engaging gameplay with a twist!