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vl, 04/07/2010 09:39 am

Ryzom Core

Ryzom Core is the opensource project related to Ryzom Game. Written in C++, Ryzom Core contains the whole code (client, server, tools), used to make the commercial MMORPG Ryzom.

Ryzom Core is open source and released under the terms of the GNU Affero General Public License 3.0 (GNU/AGPLv3) for the source code and the Creative Commons Attributions-ShareAlike 3.0 for the art assets.


  • Adaptive 3D engine
  • Support large open terrains and detailed interiors
  • Fully skinnable user interface
  • Highly optimized and proven cloud-based networking architecture
  • Efficient client/server communication based on UDP
  • Cross-platform
  • Multilanguage support with Unicode
  • Adaptive Sound engine
  • Full suite of tools to create a complete commercial MMORPG

Read more about Ryzom Core features.

Ryzom Core FAQs

For questions about why Ryzom decided open source its code, concerns about the impact of open source and questions about the direction of the project please see the Ryzom Open Source FAQ.

If you're a developer interested in Ryzom please check out our Ryzom Developer FAQ

Getting Started

Ryzom Open Media Assets

Please check out the Ryzom Asset Repository.


You can read the Ryzom Code guide (work in progress).

Other resources:




Building Ryzom on Linux

Building Ryzom on Windows

Ryzom Asset Browser

Installing the NeL plugins for 3ds Max
Importing Ryzom assets into recent 3ds Max versions


Ways to Contribute

Contact the community

Getting the Ryzom source code


screenshot013_perf_debug.jpg - Performance Debugging Screenshot (39.5 kB) kaetemi, 04/14/2012 11:14 am

screenshot010_pacs_debug.jpg - PACS Debugging Screenshot (29 kB) kaetemi, 04/14/2012 11:14 am

screenshot008_environment.jpg - Environment Screenshot (31.3 kB) kaetemi, 04/14/2012 11:14 am

screenshot013_ui.jpg - User Interface Screenshot (33.4 kB) kaetemi, 04/14/2012 11:14 am

screenshot004_sound_debug.jpg - Sound Cluster Debugging Screenshot (28.5 kB) kaetemi, 04/14/2012 11:15 am