So, what differentiates Arx Libertatis from the vanilla Arx Fatalis code?
The Arx Libertatis source code is based on the publicly released Arx Fatalis sources and available under the GPL 3+ license. This does however not include the game data, so you need to obtain a copy of the original Arx Fatalis or it’s demo to play Arx Libertatis.
Arx Libertatis is mainly developed on Windows and Linux, but has also been successfully run under Mac OS X and FreeBSD.
After over a year of work we are proud to announce the first release of Arx Libertatis. While some minor graphical glitches remain, the game is fully playable on both Windows and Linux as well as other platforms. There are packages available for Windows and Linux. On other systems you may still be able to run the game by compiling the source code yourself.
Besides porting the game to SDL, OpenGL, OpenAL and the amd64 architecture while maintaining native Direct X backends, we fixed some performance issues with newer operating systems, added more configuration options and improved the interface scaling for widescreen resolutions.
So in essence, it’s like Exult for Arx Fatalis.
If you have a copy of Arx kicking about, download a copy of Arx Libertatis and give it a try! They offer downloads for Windows, OS X, and numerous Linux flavours.