Myst Online: Uru Live
Myst Online: Uru Live (PC, 2007) has an official source code release, H-uru/Plasma, and 4 other public projects, including an open-source reimplementation.
Data checked 2026-10-13 · unbaked registry
Projects
Cyan Worlds's Plasma game engine
Wikipedia: open-source code, proprietary assets; source released 2010 by/for Cyan Worlds. "Myst Online: Uru Live" struggled to attract subscribers and was canceled after its first year. Cyan release the game as an open source game in 2010.…
The D'ni in Real-Time Server and Network Dæmon
development sporadic; status playable; A full featured MOULa-compatible server platform for POSIX-compliant operating systems.
Myst Online: Uru Live server in Rust
development active; status playable; A DirtSand compatible Myst Online: Uru Live (Again) server.
not a good Uru server
development active; status unplayable; NAGUS (not a good Uru server) is an experimental Uru Live/Myst Online server.
MOSS Open Source Uru Game Server (OpenUru Repository)
development complete; status playable; A UNIX-based server for the Myst Online: Uru Live.
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What you need
Free game data is included with at least one project.
More on PC
Found via en.wikipedia.org/wiki/List_of_commercial_video_g, gamasutra.com/view/feature/134835/building_with_, mystonline.com/en/, osgameclones.com/
GitHub data checked 2026-10-13. Notes are summaries from the research pass; the project pages are the authority.