# 西游记2000 / Journey to the West 2000 > slug: `xyj2000` · browser status: `playable` · native port: `40155` Journey to the West, also known as "Journey to the West: New Era" (xiyouji.org, running since ~1998), a venerable old-school MudOS mudlib set in the mythological world of Wu Cheng'en's classic novel -- the Thirty-Three Heavens, the Peach Garden, Penglai, and the Heavenly Palace are all real, built zones. Its registration flow includes an age-declaration prompt stating it "does not welcome primary/secondary school players" — an original design choice, not a bug. A file-level check this pass found this collection's own xyj2000f is effectively the same archive at a different fix-stage (over 99% of its ~8,700 files byte-identical, the rest cosmetic or later bugfix-comment differences) -- not just a similarly-named sibling. More surprisingly, this lib's map/NPC file layout is also reused almost path-for-path (about 99.5% of files, though only a minority remain byte-identical content) in sibling archives xyj2006n and xyj20032, even though those two run entirely different core engines (AKAI/Tomud and the unrelated "Three Realms" codebase respectively) -- e.g. the young monk NPC 疥顶小僧 and the bridge scene 泾水桥 are word-for-word identical across all of them. That makes this lib's map the closest surviving "clean" copy of an original Xiyouji archive reused as a foundation across at least four titles in this collection. A live combat test against 疥顶小僧 on Vermillion Bird Street ran the standard death/revival flow through Judge Cui Jue's court to a countryside inn. ## Play in the browser (WebAssembly) - Landing page (description + notes): https://mudlibs.fluffos.info/xyj2000/ - Play now (boots the WASM driver): https://mudlibs.fluffos.info/xyj2000/play.html ## Download source ZIP - Same-origin ZIP (trimmed source tree, no need to clone the whole repo): https://mudlibs.fluffos.info/xyj2000/xyj2000.zip - GitHub tree: https://github.com/fluffos/mudlibs/tree/main/libs/xyj2000 - README: https://github.com/fluffos/mudlibs/blob/main/libs/xyj2000/README.md - Restoration notes (NOTES.md): https://github.com/fluffos/mudlibs/blob/main/libs/xyj2000/NOTES.md ## Run natively with FluffOS 1. Build a current FluffOS driver from https://github.com/fluffos/fluffos (native `build` / `build-debug`; see that repo's docs). 2. Download and unzip `xyj2000.zip` from the URL above (or clone `https://github.com/fluffos/mudlibs` and use `libs/xyj2000/`). 3. From the unzipped lib directory, ensure `config.fluffos` points `mudlib directory` at this tree (the checked-in file may contain a maintainer-local absolute path — edit it to your extract path). 4. Start the driver: ```bash /path/to/fluffos/build/src/driver config.fluffos ``` 5. Connect a UTF-8 MUD client to `127.0.0.1:40155`. - Admin / wizard login: `fluffos` / `Mud@2026` - If you host this on a public network, change the published default admin password before opening the port. ## Machine-readable catalog - Site-wide catalog: https://mudlibs.fluffos.info/games.json - Site-wide LLM overview: https://mudlibs.fluffos.info/llms.txt - This file: https://mudlibs.fluffos.info/xyj2000/llms.txt