Open Source Linux First Person Shooters

OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Download the latest version at https://www.bzflag.org/downloads/ Development has moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated. Please download the latest version from our website.)

3D game engine (more powerful redesign of the Cube engine) and FPS game

QuakeSpasm is a *Nix friendly Quake Engine based on the SDL port of the popular FitzQuake. It includes some new features, important fixes, and aims for portability and 64 bit correctness.

Paintball2 is a fast-paced first-person game with capture the flag, elimination, siege, and deathmatch (free-for-all) styles of gameplay. This project focuses on enhancing the Quake2-based engine it uses.

This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.

Hammer of Thyrion (uHexen2) is a cross-platform port of Raven Software's Hexen II source. It is based on an older linux port, Anvil of Thyrion. HoT includes countless bug fixes, improved music, sound and video modes, opengl improvements, support for many operating systems and architectures, and documentation among many others.

MetaMod is a plugin/DLL manager that sits between the Half-Life Engine and an HL Game mod, allowing the dynamic loading/unloading of mod-like DLL plugins to add functionality to the HL server or game mod.

Metamod-P is enhanced version of Metamod. It has dynamic link-entities and automatic detection of Mod DLL and other improvement to allow it work with future Half-Life Engine updates and new Mods and updates. It also has performance optimizations.

Nexuiz is a multiplayer first-person shooter. It is distributed under the GNU General Public License (GPLv2). Version 1.0 was released on May 31, 2005. The current version is, 2.5.2.

OpenArena aims to be a free, yet compatible clone of Quake III Arena. It also strives to add subtle enhancements such as new gametypes, playermodels and of course maps! Further improvements are incorporated by using the ioquake3 engine.

3D game engine and multiplayer/singleplayer FPS game

A GUI client application for Downloading Installing and Playing Americas Army 2.5 on Windows, Mac and Linux with a new custom authorization system. On the server side a Desktop server manager for Windows, Mac and Linux and a Command line dedicated server manager for Windows and Linux. Backend server components include a replacement authorization system using the Battletracker account & stats database and a PunkBuster log streaming server which records players possible cheating activities.

AMX Mod X is a Metamod plugin which allows you to write modifications for Half-Life with Small scripting language. It provides in-game administration tools, game statistics, server management and gameplay modificators. It is based on the original AMX Mod

Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online. The goal of Odamex is to add enhancements to Doom while still retaining that "classic Doom feel" we all know and love about the original game.

A portable game engine for classic first person shooters such as DOOM, Heretic and Hexen. Lets you enjoy the original games using modern technology, including high-resolution OpenGL graphics, 3D models, and dynamic lighting effects.

OpenLierox is an extremely addictive realtime worms shoot-em-up backed by an active gamers community. Dozens of levels and mods are available to provide endless gaming pleasure.

FreeCS is a free-software reimplementation of Counter-Strike 1.5 running on the FTEQW engine. All it is, is a game-logic re-implementation in QuakeC, an architecture independent programming language. FreeCS is not a game-engine as it relies on FTEQW (released under the GPL V2). All this makes it possible to play FreeCS on virtually any platform! No DRM! No third-party accounts! Just download, play, contribute. The game-logic is written by me with help of twhl.info's wiki. It has since been incorporated into the Nuclide project, which re-implements more than just CS 1.5.

PrBoom, the purest Doom-Port? Aims to be the most stable Doom port with the highest compatibility to the major Doom versions. Highres software and nice OpenGL rendering. Full Boom and most if not all MBF features.

WW2 Combat Flight Simulator. Free. Current Version: 9.88. This is now the world's leading open-source combat flight sim for LINUX. Linux Air Combat ("LAC") runs on almost any desktop LINUX system (even Steam Deck & Raspberry Pi) and generates smooth, high-performance flight. If it runs TOO fast on your hardware (framerates beyond 100 FPS), you should activate LAC's built-in FrameRate Limiter as documented here: https://askmisterwizard.com/2019/LinuxAirCombat/FrameRateLimiter.htm Clean, open source code provides an option to compile yourself, or use our precompiled executable AppImage to eliminate compiling on all popular X86 LINUX distros. Control flight and views with mouse and keyboard, console game controller, or joystick, all easily configured from prominent configuration menus. Learn all about LAC from our primary, official Web Page: http://askmisterwizard.com/2019/LinuxAirCombat/LacOnlineDocs.htm Recent video clip: https://youtu.be/C77C-e8axWs

Modified PrBoom port with uncapped framerate, variable gamespeed, re-record, walkcam, chasecam, full mouselook, fov and other features without loss of compatibility with original DOOM.

AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun! With efficient bandwidth usage, it's low-latency and can even run over a 56Kbps connection. It's tiny too, weighing in at a lightweight 40 MB package available for Windows, Mac and Linux. On the correct settings, it can even run on old hardware (Pentium III and above). More about AssaultCube @ http://assault.cubers.net

ALL FILES FOUND HERE ARE _OLD_, PLEASE MOVE TO https://ezquake.github.io FOR THE LATEST VERSIONS Combining the features of all modern QuakeWorld® clients, ezQuake makes QuakeWorld® easier to start and play. The immortal first person shooter Quake® in the brand new skin with superb graphics and extremely fast gameplay. The project started in August 2004 as a derivate of the FuhQuake client by fuh which is a derivate of ZQuake QuakeWorld client by Tonik, one of the current ezQuake developers. Finally, ZQuake is a derivate of QuakeWorld client made by Id Software. This company has created the Quake game itself and later on released the source codes of game executables under GNU General Public License. Because id Software didn't release the whole game for free to the public you still need some of the original files from Quake to play QuakeWorld using our client.

Xonotic is a free, open-source arena-style first-person shooter video game that emphasizes fast-paced movement, skill-based combat, and a diverse arsenal, with gameplay reminiscent of classic shooters like Quake and Unreal Tournament. Born as a community fork of the Nexuiz project to preserve open development principles, Xonotic runs on an enhanced version of the DarkPlaces engine and supports Windows, macOS, and Linux platforms with no installation required beyond extracting the game files. Players can enjoy a wide variety of multiplayer game modes—from traditional deathmatch and team captures to experimental variations like Nexball and Freeze Tag—each designed to exploit high mobility and deep map knowledge. The game includes dozens of official and community-created maps, robust server browsing, customizable HUD and controls, and even an integrated statistics system called XonStat for tracking performance.

NewWolf is a conversion of a famous 3D action game: Wolf3D by ID software. The purpose of this project is to make a stable, extencible and portable 32bit version of Wolf engine. To allow users run it in different resolutions and on various platforms.

Aleph One is the open source continuation of Bungie's Marathon 2 FPS game engine. Aleph One plays Marathon, Marathon 2, Marathon Infinity, and 3rd-party content on a wide array of platforms, with (optional) OpenGL rendering, Internet play, Lua scripting, and more.