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Arx Libertatis

arx-libertatis.org Mods & Fan Projects Website

Arx Libertatis modernizes Arx Fatalis through a cross-platform open source engine port.

Visit Arx Libertatis
arx-libertatis.org
Arx Libertatis homepage screenshot

About Arx Libertatis

Arx Libertatis is a cross-platform, open source engine port of Arx Fatalis, the 2002 first-person role-playing game by Arkane Studios. It updates and improves the original game by supporting modern systems, porting it to new platforms, and fixing bugs and limitations. It is based on the publicly released Arx Fatalis source code under GPL 3+, but it does not include the game data; a copy of the original Arx Fatalis or its demo is required to play. Official builds are provided for Windows and Linux, with packages for macOS, FreeBSD, DragonFly BSD, NetBSD, OpenBSD, Haiku and Pandora. Future plans include modernizing the engine and enabling community customizations and mods.

Key features

  • Cross-platform engine port for Arx Fatalis
  • Supports modern systems and new platforms
  • Fixes bugs, crashes, performance issues and limitations
  • Provides builds for Windows and Linux
  • Packaged for macOS, BSD systems, Haiku and Pandora
  • Based on Arx Fatalis source code under GPL 3+
Best for: People who already own Arx Fatalis or its demo and want to play it on modern or additional platforms.
Good for
  • Cross-platform support includes builds for Windows and Linux and packages for other systems.
  • Addresses bugs, crashes, performance issues and limitations from the original engine.
  • Source code is available under the GPL 3+ license.
Watch out for
  • Does not include the game data; the original Arx Fatalis or its demo is required.
  • Official builds are limited to Windows and Linux; other systems rely on packages or ports.
  • Community customization and mod support is described as a future plan.

Arx Libertatis at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Linux, macOS, Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026
gamelinuxmacos

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Arx Libertatis FAQ

Do I need the original Arx Fatalis to play Arx Libertatis?
Yes. Arx Libertatis does not include the game data, so you need a copy of the original Arx Fatalis or its demo.
Which platforms have official builds of Arx Libertatis?
The project provides builds for Windows and Linux. It has also been packaged for macOS via Homebrew, FreeBSD, DragonFly BSD, NetBSD, OpenBSD, Haiku and Pandora.
What license is Arx Libertatis under?
It is based on the publicly released Arx Fatalis source code and available under the GPL 3+ license. The game data is not included.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 11, 2026 · How we rank