World of ClaudeCraft is a free, open-source classic-era MMO that runs directly in the browser. It lets players quest, group up, raid, trade, duel, and explore a hand-built fantasy world online. The same game core supports an offline browser world, an authoritative multiplayer server, and a headless reinforcement learning environment. The project includes classes, talents, zones, quests, dungeons, raids, PvP ladders, and real multiplayer mechanics. Much of the world is generated at runtime, including towns, creatures, spell icons, sound, weather, and shadows. ...