Unofficial instance — Based on MIT OSS. Operated by OpenGame.win, not worldofclaudecraft.com.

A WoW-inspired open world MMO that runs entirely in the browser — no download required.

About the game

World of ClaudeCraft is a MIT-licensed 3D MMORPG built with modern web technology. Explore procedural towns, fight creatures, level classes, and play online with other adventurers. The same simulation core powers a headless Gymnasium RL environment, making it unusually friendly for AI agents and automation research.

Features

Full 3D world in the browser — desktop and mobile
Authoritative online server with accounts and persistence
Nine playable classes, talents, dungeons, and crafting
Procedurally generated terrain, creatures, and loot
Headless RL environment for training agents (upstream)

Play — no install required

World of ClaudeCraft runs in a modern web browser. No native client download is needed.

Platform	How to play
Windows	Play in Chrome, Firefox, or Edge
macOS	Play in Chrome, Firefox, or Safari
Linux	Play in Chrome or Firefox
iOS / Android	Play in mobile Safari or Chrome (WebGL required)
Self-host	Source code & Docker on GitHub

How to play

Open woc.opengame.win in a supported browser.
Register an account and create a character.
Click Enter World and play online.