FAQ
This article tries to answer the most important questions about Arx Libertatis that might frequently come up.
Do I need a copy of Arx Fatalis to play Arx Libertatis?
Yes. While the engine of Arx Fatalis was open-sourced, this does not include the game data. See Getting the game data. Arx Libertatis also works with the data from the Arx Fatalis demo.
Is this project supported or endorsed by Arkane or ZeniMax?
No. Arx Libertatis is based on the publicly released Arx Fatalis source code, but other than that is in no way associated with Arkane Studios or ZeniMax Media Inc.
What is the project goal of Arx Libertatis.
Our goal is to update and improve Arx Fatalis to bring it up to par with modern implementations of similar games - see Mission statement for details. Before the first release, our focus has been on porting the game and fixing issues with modern operating systems, but we plan to do more in the future.
As of this writing, there are no other active projects working on the GPLed Arx Fatalis sources, but some past work is listed in Version control repositories.
There is also the in-progress Arx - End of Sun mod for Doom III that aims to create a prequel to Arx Fatalis and an Arx Fatalis Discussion forum on the TTLG website as well as the official Arx Fatalis forums.
Also, while not related to Arx Fatalis, a similar project called OpenMW exists for Morrowind. Morrowind and Arx Fatalis were both directly influenced by Ultima Underground so the OpenMW project may be of interest to some Arx Fatalis players as well.
What changes are there in Arx Libertatis compared to vanilla Arx Fatalis?
Please see the Changelog for a full list of modifications.
What Operating Systems does Arx Libertatis support?
Arx Libertatis is mainly developed on File:Windows icon.png Windows and File:Tux.png Linux, so those operating systems will receive the most testing. However, we strive for maximum portability and the game has been successfully run on File:Apple icon.png Mac OS X and File:FreeBSD icon.png FreeBSD.
What hardware architectures does Arx Libertatis support?
Currently Arx Libertatis can only be run on x86 and amd64 systems, but we plan to provide support for other architectures in the future.
Can savegames from the original Arx Fatalis be used with Arx Libertatis?
Yes. Unlike the original Arx Fatalis, savegames are stored in per-user locations rather than the installation directory (although that mode is supported too for portable setups). Move or copy the save directory to the user directory described in Data directories. Remember that the filenames need to be converted to lower-case or Arx Libertatis might not find them.
However the reverse is not true: Due to the proprietary compression algorithm used by Arx Fatalis, savegames written by Arx Libertatis cannot be loaded in the original game. The technical changes to the save format are detailed in Save file format.
Can I contribute to Arx Libertatis?
Yes, everyone is welcome to contribute to Arx Libertatis. For smaller or one-time contributions, the quickest way is to fork the repostitory on GitHub and then send a pull request with the changes. For longer contributions, feel free to ask for commit access in the IRC channel.
I have found a problem with Arx Libertatis or arx-libertatis.org - what now?
Please open a bug report in our issue tracker.
I have found a problem with this wiki - what now?
You are welcome to create an account and edit the articles here yourself. Also see the Wiki FAQ. If in doubt, ask in the IRC channel.
I have a question that isn't answered here
Feel free to contact us in the IRC channel or the Arx Fatalis Subreddit.