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OpenArena

OpenArena is a free, open‑source first‑person shooter built on the idTech 3 engine, compatible with Linux.

Open sourceFreeFlatpak
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License
GPL-2.0+
Latest version
0.8.8 (October 27, 2023)
Developer
OA Team, xplshn and contributors
Installs
865 (Flathub, 30 days)

What is OpenArena?

OpenArena originated as a community‑driven clone of Quake III Arena, using the Quake3e engine and receiving regular updates; the latest stable release (0.8.8) came out in late 2023. It’s packaged for Debian, Fedora and Ubuntu and also available as a Flatpak, making installation straightforward on most modern distributions. The project applies the OAX patch to support higher resolutions and modern hardware, keeping the classic arena‑shooter feel alive.

The game targets players who enjoy fast‑paced, skill‑based deathmatch action and want a free alternative to the Windows‑only Quake III Arena. It retains the original’s weapon balance and map design while adding a few quality‑of‑life tweaks, so veterans feel at home and newcomers can jump in without a steep learning curve.

Compared with the Windows version of Quake III, OpenArena feels very similar in core gameplay but runs natively on Linux without needing Wine or other compatibility layers. The Flatpak version isolates dependencies, and the OAX patch gives you higher screen‑resolution options that the original client lacked, making it a practical drop‑in replacement.

Best for: Players who want a classic arena FPS experience on Linux without paying for a Windows‑only title.

Key features of OpenArena

  • Multiple game modes: Deathmatch, Team Deathmatch, Capture the Flag, etc.
  • Balanced weapon set including chaingun, rocket launcher, shotgun, railgun
  • Support for modern screen resolutions via OAX patch
  • Configurable CVARS through a provided configuration file
  • Flatpak distribution for easy installation and sandboxing
  • Cross‑platform multiplayer with unpatched Quake III servers
  • Open source code under GPL‑2.0+
  • Available in Debian, Fedora, Ubuntu repositories

Pros

  • Free and open source, no DRM
  • Runs natively on Linux with modern hardware support
  • Wide range of classic arena modes
  • Easy installation via Flatpak or distro packages

Cons

  • Graphics are dated compared with contemporary shooters
  • Multiplayer matchmaking is community‑run, not integrated
  • Limited official documentation beyond the wiki

Windows programs OpenArena replaces

How to install OpenArena on Linux

Flatpak (Flathub)flatpak install flathub io.github.ec_.Quake3e.OpenArena
Ubuntu / Mintsudo apt install openarena
Debiansudo apt install openarena
Fedorasudo dnf install openarena

Tips for Windows users

All maps and config files use the same formats as Quake III, so you can copy your existing .pk3 packs and config.cfg directly into ~/.openarena/. The default key bindings mirror the original (WASD movement, mouse aim, mouse1/2 fire), but you can edit them in the config file or via the in‑game menu. Expect slightly higher resolutions out of the box, and remember to disable the OAX patch in the config if you need to join an unpatched server.

Recent releases

  • 0.8.8 —

OpenArena: frequently asked questions

How do I install OpenArena on Ubuntu?

Use sudo apt install openarena or install the Flatpak from Flathub with flatpak install flathub org.openarena.OpenArena.

Can I play on Quake III servers?

Yes, unpatched OpenArena clients connect to standard Quake III servers without issues.

Where are the configuration files stored?

User configs live in ~/.openarena/, including config.cfg and any custom CVAR files.

Is there a way to improve graphics?

You can enable the OAX patch for higher resolutions, and some community shaders are available on the OpenArena GitHub.

Updated