"https://strongloop.com/strongblog/building-an-online-game-with-loopback-4-pt3/" target="_blank" rel="noopener noreferrer">Part 3: Customizing APIs in Controller</a></li><li><a href="https://strongloop.com/strongblog/building-an-online-game-with-loopback-4-pt4/" target="_blank" rel="noopener noreferrer">Part 4: User Authentication and Role-Based Access Control</a></li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Di