List of free first-person shooters
Encyclopedia
This is a sortable list of selected free software
Free software
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...

 and freeware
Freeware
Freeware is computer software that is available for use at no cost or for an optional fee, but usually with one or more restricted usage rights. Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commercial purpose in the...

 first-person shooter
First-person shooter
First-person shooter is a video game genre that centers the gameplay on gun and projectile weapon-based combat through first-person perspective; i.e., the player experiences the action through the eyes of a protagonist. Generally speaking, the first-person shooter shares common traits with other...

s.

Freeware

Title Developer, Publisher Release date Latest Release Operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

Engine License Notes
Action Quake 2
Action Quake 2
Action Quake 2 is a mod for the computer game Quake II created by The A-Team. Although originally released in 1998, it still has a small player base mainly in South America, Scandinavia and especially in Finland, with active servers on several continents as of 2008...

The Action Team 1998 2003 WIN, LIN Id Tech2 Freeware Team and Deathmatch based very fast FPS game
America's Army
America's Army
America's Army is a series of video games and other media developed by the United States Army and released as a global public relations initiative to help with recruitment. America's Army was conceived by Colonel Casey Wardynski and is managed by the U.S...

series
MOVES Institute 2002-07-04 2009-06-17 (3.0) WIN, LIN (32-bit only) Unreal engine
Unreal Engine
The Unreal Engine is a game engine developed by Epic Games, first illustrated in the 1998 first-person shooter game Unreal. Although primarily developed for first-person shooters, it has been successfully used in a variety of other genres, including stealth, MMORPGs and RPGs...

Proprietary license Developed for and owned by the U.S. government. Multiplayer/Training mode.
AssaultCube
AssaultCube
AssaultCube is a free multiplayer first-person shooter game, based on the CUBE engine. It takes place in realistic environments, with fast, arcade gameplay...

Rabid Viper Productions 2006-11-04 2010-11-15 (1.1.0.4) LIN, OSX, WIN Cube engine (modified) zlib License
Zlib License
The zlib License is a permissive free software license which defines the terms under which the zlib and libpng software libraries can be distributed. It is also used by other free software packages....

 (code), Individual licenses (media)
Team based shooter, includes Cube's map maker. Single/Multiplayer.
Black Shades
Black Shades
Black Shades is a video game developed by Wolfire Games, originally released on Mac OS and Microsoft Windows. The player controls a psychic bodyguard who is tasked with protecting a VIP from a horde of zombies, snipers and other assorted would-be assassins. The was one of the winners of the...

Wolfire games 2001 WIN, LIN, OSX, MAC, iPhone, iPod Touch Wolfire Games
Wolfire Games
Wolfire Games is an independent video game development company founded by David Rosen. Wolfire Games develops video games for Mac OS, Windows, and Linux.- History :...

Freeware
Freeware
Freeware is computer software that is available for use at no cost or for an optional fee, but usually with one or more restricted usage rights. Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commercial purpose in the...

Free First-person shooter
BZFlag
BZFlag
BZFlag is a free, open source, online multiplayer video game.A first-person tank battle game, similar in concept to Battlezone, it was originally written by Chris Schoeneman for SGI graphics workstations running IRIX, but has now been ported to other operating systems including...

Chris Schoeneman, Tim Riker 1993 2011-07-03 (2.4.0) BSD, LIN, OSX, WIN, other UNIX GNU LGPL
GNU Lesser General Public License
The GNU Lesser General Public License or LGPL is a free software license published by the Free Software Foundation . It was designed as a compromise between the strong-copyleft GNU General Public License or GPL and permissive licenses such as the BSD licenses and the MIT License...

Tank combat.
Chub Gam 3D: Director's Cut ChubGamSoft 1998 DOS Pie in the Sky
Pie in the Sky (game engine)
This article is about the game engine, for other uses see Pie in the sky.Pie in the Sky is a 2.5D and 3D first person shooter engine most popular in the mid to late 1990s by Pie in the Sky Software, also known as the 3D Game Creation or 3D Game Creation System engine...

Freeware Surreal horror single player game.
CodeRED: Alien Arena
CodeRED: Alien Arena
Alien Arena is a free, stand-alone first-person shooter computer game based on source code released by id Software. Begun by COR Entertainment in 2004, the game combines a 1950s-era sci-fi atmosphere with gameplay similar to the Quake, Doom, and Unreal Tournament series...

COR Entertainment, LLC 2004–08 2011-03-11 (7.51) BSD, LIN, OSX (unofficial), WIN CRX Engine
CRX (game engine)
The CRX game engine is an opensourced, cross platform program that was derived from id Software's GPL code releases by COR Entertainment. The engine is primarily used for the game CodeRED: Alien Arena. The engine makes use of Quake II data formats such as .md2 and the BSP map format as well as...

 id Tech 2 id Tech 3
GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), Proprietary license (media)
Science fiction, with single or multiplayer modes.
Crossfire Z8Games
Z8Games
Z8Games is the international distributor for Cross Fire, an online first-person-shooter , and Metin 2, a massive multiplayer online role-playing game . Z8Games is a partner company to G4Box, a Canadian online media publisher...

2006 2011-09-13 WIN Freeware
Freeware
Freeware is computer software that is available for use at no cost or for an optional fee, but usually with one or more restricted usage rights. Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commercial purpose in the...

Modern team based shooter. Lots of game modes.
Cube Wouter van Oortmerssen
Wouter van Oortmerssen
Wouter van Oortmerssen, also known as Aardappel , is a Dutch computer programmer notable for his work in game programming as well as having designed several programming languages...

2001 2005-08-29 BSD, LIN, OSX, WIN, iPhone Cube engine zlib License
Zlib License
The zlib License is a permissive free software license which defines the terms under which the zlib and libpng software libraries can be distributed. It is also used by other free software packages....

Quake style multiplayer deathmatch. Single/Multiplayer.
Cube 2: Sauerbraten Wouter van Oortmerssen
Wouter van Oortmerssen
Wouter van Oortmerssen, also known as Aardappel , is a Dutch computer programmer notable for his work in game programming as well as having designed several programming languages...

2004 2010-07-19 BSD, LIN, OSX, WIN Cube 2 engine zlib License
Zlib License
The zlib License is a permissive free software license which defines the terms under which the zlib and libpng software libraries can be distributed. It is also used by other free software packages....

 (code), Individual licenses (media)
Quake style deathmatch, includes built in level editor. Single/Multiplayer.
The Dinohunters
Dinohunters
The DinoHunters is an advertisement-supported first person shooter and machinima series created by Kuma Reality Games. Using Valve's Source for its engine, The Dinohunters is distributed in free downloadable episodes for the PC. The first episode was released in 2006 through Kuma Reality Games'...

Kuma Reality Games 2006-04-24 WIN Source engine
Source engine
Source is a 3D game engine developed by Valve Corporation. It debuted in June 2004 with Counter-Strike: Source and shortly thereafter Half-Life 2, and has been in active development ever since...

Proprietary license Also a machinima
Machinima
Machinima is the use of real-time 3D computer graphics rendering engines to create a cinematic production. Most often, video games are used to generate the computer animation...

 series. Single/Multiplayer.
F.E.A.R. Combat Monolith Productions
Monolith Productions
Monolith Productions is a Kirkland, Washington-based computer game developer. Monolith is also known for the development of the graphical game engine Lithtech, which has been used for most of their games...

, Vivendi Universal
2005-10-17 WIN Lithtech
Lithtech
Lithtech is a game engine which was initially developed by Monolith Productions in collaboration with Microsoft. Monolith later formed a separate company, LithTech Inc., to deal with further advancements of the engine technology and currently, after a change of its corporate identity, LithTech Inc...

: Jupiter EX
Proprietary license Stand-alone multiplayer component of the popular game F.E.A.R. Available here.
Fallen Empire: Legions
Fallen Empire: Legions
Legions: Overdrive, formerly Fallen Empire: Legions, was a browser-based sci-fi first-person shooter computer game by GarageGames on InstantAction. Announced officially in January 2007, Legions was being developed as a "spiritual successor" to Tribes, borrowing many gameplay elements from the series...

2009-06-30 WIN Torque Game Engine Proprietary license First-Person Shooter with Jetpacks, Multiplayer, CTF, Deathmatch
Freedoom
Freedoom
Freedoom is a free Doom engine based first-person shooter game currently under development. The game is currently in an alpha stage and many features are missing, for example some monsters and other sprites are replaced by placeholder images, some levels are missing, and some levels have no music....

Freedoom project 2011-01-22 (0.7) LIN, OSX, WIN, Android, MAC, DOS, others Doom engine
Doom engine
The Doom engine is the game engine that powers the id Software games Doom and Doom II. It is also used by HeXen, Heretic, Strife, Freedoom, and HacX, and other games produced by licensees. It was created by John Carmack, with auxiliary functions written by Mike Abrash, John Romero, Dave Taylor and...

GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), BSD (media)
A Doom WAD
Doom WAD
Doom WAD format is default format of package files for the video game Doom or its sequel Doom II, that are containing sprites, levels, and game data. WAD stands for Where's All the Data?...

 file intended to be used instead of the copyrighted file from the original Doom and Doom II.
Gore: Special Edition 4D Rulers 2008-07-04 WIN AMP engine Proprietary license
Hidden & Dangerous
Hidden & Dangerous
Hidden & Dangerous is a WWII 1999 computer and video game developed by Illusion Softworks and published by Take-Two Interactive and TalonSoft for Windows, the Dreamcast, and the PlayStation. The PlayStation port of the game was developed by Tarantula Studios...

Illusion Softworks
Illusion Softworks
2K Czech is a game development company located in Brno and Prague, Czech Republic. The company focuses mostly on first-person and third-person shooter games. Since the foundation in 1997, till the sale to Kush Games ten years later, its owners and key managers were founders Petr Vochozka and Jan...

, Take-Two Interactive
Take-Two Interactive
Take-Two Interactive Software, Inc. is a major American publisher, developer, and distributor of video games and video game peripherals. Take-Two wholly owns 2K Games and Rockstar Games. The company's headquarters are in New York City, with international headquarters in Windsor, United Kingdom...

1999-07-29 2001-11 WIN Insanity Engine Proprietary license Released free to promote its sequel, Hidden & Dangerous 2
Hidden & Dangerous 2
-Audio:Music from the game was provided by the Brno Philharmonic Orchestra based in Brno, Czech Republic.-Expansion:An expansion pack titled Sabre Squadron was released during October 19, 2004, in the US, introduced nine new single player missions, seven new multiplayer maps, and a now finished,...

. Single/Multiplayer.
Kkrieger .theprodukkt
Farbrausch
Farbrausch, or Farb-rausch, is a German group of demomakers who made themselves particularly famous in the demoscene in December 2000 with a 64k intro called "fr-08: .the .product". "Farbrausch" literally translates to "rave of color", "color rush" or "color frenzy" in English...

2004 WIN Proprietary license Won first place in the 96k game competition at Breakpoint in April 2004.
Kuma\War Kuma Reality Games 2004 2006-07 WIN Source engine
Source engine
Source is a 3D game engine developed by Valve Corporation. It debuted in June 2004 with Counter-Strike: Source and shortly thereafter Half-Life 2, and has been in active development ever since...

Proprietary license Tactical episodic shooter. Single/Multiplayer.
Marathon Bungie Studios 1994-12-21 2007 MAC (original), ported to OSX, LIN and WIN via AlephOne Aleph One GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code)
Released as freeware and source code.
Nexuiz
Nexuiz
Nexuiz is a free first-person shooter video game developed and published by Alientrap Software. It is free and open-source software and is distributed under the GNU General Public License . Version 1.0 of the game was released on May 31, 2005. The current version, 2.5.2, was released on October 1,...

Alientrap 2005-05-31 2009-10-01 (2.5.2) LIN, OSX (10.4 or later), WIN DarkPlaces Quake engine
Quake engine
The Quake engine is the game engine that was written to power 1996's Quake, written by id Software. It featured true 3D real-time rendering and is now licensed under the terms of the GNU General Public License ....

GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Unreal Tournament style deathmatch. Single/Multiplayer.
OpenArena
OpenArena
OpenArena is a free and open source first-person shooter computer game based heavily on the Quake III Arena style deathmatch. The OpenArena project was established on August 19, 2005, the day after the id Tech 3 GPL source code release...

OpenArena team 2005-08-19 2010-02-23 (0.8.5) LIN, OSX, WIN ioquake3 id Tech 3 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Free software content remake of Quake III Arena. Single/Multiplayer
Point Blank
Point Blank (computer game)
Point Blank is an online tactical first-person shooter developed by Zepetto, a South Korean company.-Gameplay:Point Blank is a fast paced online first-person shooter, which is very similar in terms of gameplay to Counter-Strike...

Zepetto, NCsoft 2008-03 WIN N/A Proprietary license Free FPS created by Zepetto in 2009. Close Beta version.
Postal²
Postal²
Postal 2 is a first-person shooter video game by Running with Scissors, and it is the sequel to the 1997 game Postal. Both are intentionally highly controversial due to high levels of violence and stereotyping. Unlike its predecessor, Postal 2 is played completely in first-person based on the...

Running With Scissors 2003-04-13 LIN, OSX, WIN Unreal Engine 2.0
Unreal Engine
The Unreal Engine is a game engine developed by Epic Games, first illustrated in the 1998 first-person shooter game Unreal. Although primarily developed for first-person shooters, it has been successfully used in a variety of other genres, including stealth, MMORPGs and RPGs...

Proprietary license The multiplayer component of commercial game Postal2STP.
Purge Freeform Interactive 2003-04-15 WIN Lithtech: Talon
Lithtech
Lithtech is a game engine which was initially developed by Monolith Productions in collaboration with Microsoft. Monolith later formed a separate company, LithTech Inc., to deal with further advancements of the engine technology and currently, after a change of its corporate identity, LithTech Inc...

 engine
Proprietary license RPG hybrid where you can level up and increase stats by earning experience points.
Quake Live
Quake Live
Quake Live is a first-person shooter video game by id Software designed to run on x86-based computers running Microsoft Windows, Mac OS X or Linux that is downloaded and launched via a web browser plugin. It is a variant of its predecessor, Quake III Arena .Quake Live is free to download and play...

id software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

2010-08-06 LIN, WIN, OSX id Tech 3 Proprietary license A free web based version of Quake III Arena
Quake III Arena
Quake III Arena , is a multiplayer first-person shooter video game released on December 2, 1999. The game was developed by id Software and featured music composed by Sonic Mayhem and Front Line Assembly...

, playable in full screen mode.
Red Eclipse
Red Eclipse
Red Eclipse is a multi-platform, free, and open source first-person shooter that runs on top of the Cube Engine 2. The game is predicated around multiplayer based action, but can be played offline against bots as well....

Red Eclipse Team 2011-03-15 2011-07-24 (1.1) LIN, WIN, OSX Cube 2 engine zlib license, Individual licenses (media) A free/open source FPS with fast paced gameplay and agile movement. The development team is very open to community suggestions.
S.T.A.L.K.E.R. build 1935 GSC Game World
GSC Game World
GSC Game World is a Kiev-based computer game developer. Founded in 1995 in Kiev, Ukraine, it released titles such as Cossacks: European Wars, American Conquest, Alexander, S.T.A.L.K.E.R.: Shadow of Chernobyl, S.T.A.L.K.E.R.: Clear Sky and S.T.A.L.K.E.R.: Call of Pripyat...

2009-02 WIN xrCore build 1935 Proprietary license 2004 Alpha build of S.T.A.L.K.E.R.: Shadow of Chernobyl
S.T.A.L.K.E.R.: Shadow of Chernobyl
S.T.A.L.K.E.R.: Shadow of Chernobyl is a first-person shooter video game by the Ukrainian developer GSC Game World, published in 2007.It features an alternate reality theme, where a second nuclear disaster occurs at the Chernobyl Nuclear Power Plant Exclusion Zone in the near future and causes...

. Contains content and features cut from the final release. Has a number of bugs but contains a full, playable single player campaign.
Savage: The Battle for Newerth
Savage: The Battle for Newerth
Savage: The Battle for Newerth is a science fantasy computer game that combines aspects of the real-time strategy and first-person shooter genres. It takes place in the distant future when humankind has rebuilt society following an apocalypse, but is threatened by intelligent beasts...

S2 Games
S2 Games
S2 Games is a video game developer founded by Marc "Maliken" DeForest, based in Rohnert Park, California.They also have a development location in Kalamazoo, Michigan. Their first project , Savage: The Battle for Newerth, was released in the Summer of 2003...

2003-09-09 LIN, OSX (commercial), WIN Silverback Engine Proprietary license Hybrid FPS/RTS with both ranged and melee combat
Savage 2: A Tortured Soul
Savage 2: A Tortured Soul
Savage 2: A Tortured Soul is a fantasy and science-fiction themed video game that combines elements of the first-person shooter, real-time strategy, and action role-playing game genres. It is developed and published by S2 Games. It is the sequel to Savage: The Battle for Newerth and was officially...

S2 Games
S2 Games
S2 Games is a video game developer founded by Marc "Maliken" DeForest, based in Rohnert Park, California.They also have a development location in Kalamazoo, Michigan. Their first project , Savage: The Battle for Newerth, was released in the Summer of 2003...

2008-01-16 LIN, OSX, WIN (commercial) K2 Engine Proprietary license The sequel to the award-winning game, Savage: The Battle for Newerth.
Smokin' Guns
Smokin' Guns
Smokin' Guns is a first-person shooter video game. Smokin' Guns is intended to be a semi-realistic simulation of the American Old West's atmosphere and was developed on id Software's Quake III Arena Engine...

Smokin' Guns Productions and Iron Claw Interactive 2009-01-01 BSD, LIN, OSX, WIN, others ioquake3 id Tech 3 GNU GPL (code/some media) Proprietary license (some media) Western Quake-like FPS. Single (with bots)/Multiplayer.
Starsiege: Tribes
Starsiege: Tribes
Starsiege: Tribes is a sci-fi first-person shooter video game. It is the first of the Tribes video game series and follows the story from Earthsiege and Starsiege. It was developed by Dynamix and published by the company now known as Sierra Entertainment in 1998.-History:A sequel, Tribes 2, was...

Dynamix
Dynamix
Dynamix, Inc. was an American developer of computer games from 1984 to 2001, best known for their flight simulator, Red Baron, the Front Page Sports series, Betrayal at Krondor, and their online multiplayer game, Tribes.-History:...

, Sierra Entertainment
Sierra Entertainment
Sierra Entertainment Inc. was an American video-game developer and publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams...

2004 (free release) WIN Darkstar engine Proprietary license Futuristic team based combat, released for free to promote Tribes: Vengeance
Tribes: Vengeance
Tribes: Vengeance is a science fiction first-person shooter computer game of the Tribes video game series. It was developed by Irrational Games and released by Sierra Entertainment in October 2004...

. Multiplayer only.
Team Fortress 2
Team Fortress 2
Team Fortress 2 is a free-to-play team-based first-person shooter multiplayer video game developed by Valve Corporation. A sequel to the original mod Team Fortress based on the Quake engine, it was first released as part of the video game compilation The Orange Box on October 10, 2007 for Windows...

Valve Corporation
Valve Corporation
Valve Corporation is an American video game development and digital distribution company based in Bellevue, Washington, United States...

2011 (free release) Updates released too frequently to list. WIN, OSX Source Proprietary license Made free-to-play on June 23, 2011, months after releasing an in-game store to buy items (most of them are obtainable otherwise).
Tremulous
Tremulous
Tremulous is a free and open source team-based first-person shooter with real-time strategy elements.The game features two opposing teams: humans and aliens. Each team must attack the enemy's base and team members, while defending their own base...

Dark Legion Development 2006-03-31 2009-12-04 (preview release) LIN, OSX (unofficial), WIN ioquake3 id Tech 3 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Aliens vs Humans multiplayer team combat with some RTS
Real-time strategy
Real-time strategy is a sub-genre of strategy video game which does not progress incrementally in turns. Brett Sperry is credited with coining the term to market Dune II....

 elements.
Tribes 2
Tribes 2
-Legacy:On November 20, 2002, Sierra released an update for Tribes 2. This update contained two new game types, new maps and updates to address several issues. Sierra, which is now part of Vivendi SU, licensed the franchise to Irrational Games for a third installment; Tribes: Vengeance was...

Dynamix
Dynamix
Dynamix, Inc. was an American developer of computer games from 1984 to 2001, best known for their flight simulator, Red Baron, the Front Page Sports series, Betrayal at Krondor, and their online multiplayer game, Tribes.-History:...

, Sierra Entertainment
Sierra Entertainment
Sierra Entertainment Inc. was an American video-game developer and publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams...

2004 (free release) WIN Torque Game Engine Proprietary License Futuristic team based combat, released for free to promote Tribes: Vengeance
Tribes: Vengeance
Tribes: Vengeance is a science fiction first-person shooter computer game of the Tribes video game series. It was developed by Irrational Games and released by Sierra Entertainment in October 2004...

. Single/Multiplayer.
Tribes: Ascend
Tribes: Ascend
Tribes: Ascend is an upcoming free to play multiplayer-only first-person shooter part of the Tribes franchise. It is currently being developed by Hi-Rez Studios and was announced on March 11, 2011 at PAX East with an expected release early next year...

Hi-Rez Studios 2011-12 (upcoming) WIN Unreal Engine 3
Unreal Engine 3
Unreal Engine 3 is a computer game engine developed by Epic Games. It is the third generation of Unreal Engine, designed for DirectX 9/10/11 personal computers , the Xbox 360, the PlayStation 3, the PlayStation Vita, the Wii U, Android and OpenGL-based operating systems such as iOS and Mac OS X...

 (modified)
Proprietary license Online multiplayer (pay for certain features)
UberStrike Cmune
CMUNE
Cmune is creating a next-generation 3D social platform for the Internet.Established in 2007, Cmune also creates, develops, distributes and monetizes 3D browser-based games and virtual worlds in-house and for third parties...

2010-09-17 WIN, OSX Unity3D Proprietary license Free-to-play "social shooter" on Facebook, MySpace and Apple's Dashboard Widgets.
Urban Terror
Urban Terror
Urban Terror, commonly abbreviated as UrT, is a free multi-player first person shooter game developed by FrozenSand. Originally a total conversion of id Software's Quake III Arena, FrozenSand released Urban Terror as a free standalone game in 2007 utilizing ioquake3 as an engine...

Silicon Ice Development / Frozen Sand 2000-08-05 (Beta 1.0) 2011-01-20 (4.1.1) LIN, OSX, WIN ioquake3 id Tech 3 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (ioquake3 engine), Proprietary license (mod code, media)
Originally a Quake 3 mod
Mod (computer gaming)
Mod or modification is a term generally applied to personal computer games , especially first-person shooters, role-playing games and real-time strategy games. Mods are made by the general public or a developer, and can be entirely new games in themselves, but mods are not standalone software and...

, now a standalone game.
Warmonger: Operation Downtown Destruction
Warmonger: Operation Downtown Destruction
Warmonger: Operation Downtown Destruction is a first-person shooter video game developed by NetDevil that uses the Nvidia PhysX engine. It is available as a free download from the official site and from Nvidia via their free GeForce Power Pack download....

NetDevil 2007-11-28 2009-08-27 WIN Unreal Engine 3.0 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), Proprietary license (media)
High-end Free-to-play first person shooter with destructible environments..
War§ow War§ow team 2005-06-08 2011-04-30 (0.62) LIN, OSX, WIN Qfusion id Tech 2 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), Proprietary license (media)
Quake style deathmatch focussed on high-paced action and trickjumps.
Wolfenstein: Enemy Territory
Wolfenstein: Enemy Territory
Wolfenstein: Enemy Territory is a free and open source multiplayer first-person shooter video game set during World War II...

Activision
Activision
Activision is an American publisher, majority owned by French conglomerate Vivendi SA. Its current CEO is Robert Kotick. It was founded on October 1, 1979 and was the world's first independent developer and distributor of video games for gaming consoles...

, id Software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

, Splash Damage
Splash Damage
Splash Damage is an independently-owned British game development company that specializes in multiplayer first-person shooter games. The studio is best known as the creator of the Enemy Territory franchise for id Software.-History:...

2003-05-29 LIN, OSX, WIN id Tech 3 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), Proprietary license (media)
Intended expansion pack turned freeware. WW2 multiplayer team combat
World of Padman
World of Padman
World of Padman is an open source first-person shooter computer game available in both English and German. Originally it was a modification for the game Quake III Arena titled PadMod created in the year 2004. After the source code for Quake III Arena was released, the game became standalone...

Padworld Entertainment 2007-04-01 2011-07-16 (1.5.4 beta WIN/LIN), 2011-01-24 (1.5.1 OSX) LIN, OSX, WIN ioquake3 id Tech 3 GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (code), Proprietary license (media)
A free Quake 3 like comical FPS game
Xonotic
Xonotic
Xonotic is a first-person shooter video game. It is cross-platform, free and open source software. It is a fork of Nexuiz, and is based on the DarkPlaces engine, a heavily modified version of the Quake engine. Gameplay is inspired by Unreal Tournament and Quake, but with various unique elements...

Team Xonotic 2010-12-23 2011-09-08 (0.5) LIN, OSX, WIN DarkPlaces Quake engine
Quake engine
The Quake engine is the game engine that was written to power 1996's Quake, written by id Software. It featured true 3D real-time rendering and is now licensed under the terms of the GNU General Public License ....

GNU GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Fork and direct successor of the Nexuiz Project.

Freeware clients

Some free-to-play online first-person shooters use a client/server model, in which only the client is available for free. They may be associated with business models such as optional micropayments or in-game advertising.
Title Developer, Publisher Release date Operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

Engine License Notes
Battlefield Heroes
Battlefield Heroes
Battlefield Heroes is a cartoon-style action video game developed by DICE initially—now developed by —and published by EA for Microsoft Windows. It is played from a third-person EA are calling it FPS perspective. The game is less demanding on computer specifications than the previous games of the...

EA Digital Illusions CE 2009-06 WIN Refractor 2
Refractor 2
Refractor Engine is a game engine that was designed by Stockholm-based studio Refraction Games, first developed for the video game Codename Eagle, which was released in November 1999. It was also the engine used in BF1942 as well as the two spin-offs, Vietnam and Road To Rome...

 engine
Proprietary license 3rd and 1st-person perspective; Micropayment business model
Battlefield Play4Free
Battlefield Play4Free
Battlefield Play4Free is a first-person shooter developed by EA and . Based on the Battlefield series, the game features a modern warfare setting. Play4Free is built on a modified version of Battlefield 2's engine, with improvements such as high resolution artwork and post-processing effects...

EA Digital Illusions CE, Easy Studios 2011 WIN Refractor 2
Refractor 2
Refractor Engine is a game engine that was designed by Stockholm-based studio Refraction Games, first developed for the video game Codename Eagle, which was released in November 1999. It was also the engine used in BF1942 as well as the two spin-offs, Vietnam and Road To Rome...

 engine
Proprietary license Includes contents from Battlefield 2
Battlefield 2
Battlefield 2 is a computer game by the Swedish developer Digital Illusions CE . During development, Trauma Studios contributed to the development of the game after it was acquired by DICE...

 and Battlefield: Bad Company 2
Battlefield: Bad Company 2
Battlefield: Bad Company 2 is a first-person shooter video game developed by the Swedish firm EA Digital Illusions CE and published by Electronic Arts for Microsoft Windows, PlayStation 3, Xbox 360, iOS and Mac OS X systems. It is a direct sequel to Battlefield: Bad Company and is part of the...

. Leveling system, in-game shop and gameplay customization.
Combat Arms Nexon 2008-07-11 WIN Lithtech
Lithtech
Lithtech is a game engine which was initially developed by Monolith Productions in collaboration with Microsoft. Monolith later formed a separate company, LithTech Inc., to deal with further advancements of the engine technology and currently, after a change of its corporate identity, LithTech Inc...

Proprietary license Online multiplayer, with a modern setting.
CrimeCraft
CrimeCraft
CrimeCraft is a free-to-play online Persistent World Next-generation Shooter dubbed "PWNS" by developer Vogster Entertainment and published at retail by THQ...

Vogster Entertainment 2009-08 WIN Unreal Engine 3
Unreal Engine 3
Unreal Engine 3 is a computer game engine developed by Epic Games. It is the third generation of Unreal Engine, designed for DirectX 9/10/11 personal computers , the Xbox 360, the PlayStation 3, the PlayStation Vita, the Wii U, Android and OpenGL-based operating systems such as iOS and Mac OS X...

Proprietary license Massively multiplayer online with 3rd and 1st-person perspectives; Micropayment business model
Sudden Attack
Sudden Attack
Sudden Attack is a free-to-play multiplayer first-person shooter online game developed by the South Korean company, GameHi and moved to Nexon.-Gameplay:...

Nexon WIN Lithtech
Lithtech
Lithtech is a game engine which was initially developed by Monolith Productions in collaboration with Microsoft. Monolith later formed a separate company, LithTech Inc., to deal with further advancements of the engine technology and currently, after a change of its corporate identity, LithTech Inc...

Proprietary license Online multiplayer
War Inc. Battlezone Online Warmongers, Arktos Entertainment Group Open Beta - 2011 WIN Eclipse 3 Proprietary license 3rd person shooter - Microtransactions - Online Multiplaer
WarRock Dream Execution, K2network 2007-02 WIN Jindo Proprietary licensce

Game engines

Engine Developer, Publisher Release date Operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

License Notes
Aleph One Bungie Studios (originally) 2000-01-17 MAC originally, BSD, LIN, OSX, WIN, others GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Aleph One is an open-source project based on the Marathon 2: Durandal
Marathon 2: Durandal
Marathon 2: Durandal is the first sequel in the Marathon series of science fiction first-person shooter computer games from Bungie Software. It was released on November 24, 1995. The game is mostly set on the fictional planet of Lh'owon, homeworld of the S'pht, and once again the player takes the...

code, which was released to the public by Bungie Software.
Cube Wouter van Oortmerssen
Wouter van Oortmerssen
Wouter van Oortmerssen, also known as Aardappel , is a Dutch computer programmer notable for his work in game programming as well as having designed several programming languages...

LIN, OSX, WIN zlib License
Zlib License
The zlib License is a permissive free software license which defines the terms under which the zlib and libpng software libraries can be distributed. It is also used by other free software packages....

FPS with sandbox style level-editor
Cube 2: Sauerbraten Wouter van Oortmerssen
Wouter van Oortmerssen
Wouter van Oortmerssen, also known as Aardappel , is a Dutch computer programmer notable for his work in game programming as well as having designed several programming languages...

LIN, OSX, WIN zlib License
Zlib License
The zlib License is a permissive free software license which defines the terms under which the zlib and libpng software libraries can be distributed. It is also used by other free software packages....

FPS with sandbox style level-editor
id Tech 1
Id Tech 1
- See also :*List of game engines*First person shooter engine*id Tech*Doom engine*Doom *Quake engine*Quake *List of first-person shooter engines...

id Software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

1999 LIN, OSX, WIN GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Known as Doom Engine, originally used for Doom, Doom 2, and clones
id Tech 2 id Software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

2001-12-22 LIN, OSX, WIN GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Quake 2, CRX
CRX (game engine)
The CRX game engine is an opensourced, cross platform program that was derived from id Software's GPL code releases by COR Entertainment. The engine is primarily used for the game CodeRED: Alien Arena. The engine makes use of Quake II data formats such as .md2 and the BSP map format as well as...

and Qfusion are open-source derivatives
id Tech 3 id Software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

2005-08-19 LIN, OSX, WIN GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Quake 3, ioquake3 is an open-source derivative
Quake Engine
Quake engine
The Quake engine is the game engine that was written to power 1996's Quake, written by id Software. It featured true 3D real-time rendering and is now licensed under the terms of the GNU General Public License ....

id Software
Id Software
Id Software is an American video game development company with its headquarters in Richardson, Texas. The company was founded in 1991 by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack...

LIN, OSX, WIN GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Quake, DarkPlaces is an open source derivative
Retribution Engine
Retribution Engine
The Retribution Engine is a 3D game engine that is used to make first person shooter games. The engine is open source and is supplied with a suite of editing tools that allow the development of customized games...

APGSoftware 2001 WIN GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

Quake style single player games and levels.
Unity3D Unity3D 2009 OSX, WIN Purchasable license for commercial use, iPhone license, Free indie license Development set
Unreal Development Kit (Unreal Engine 3) Epic Games 2009 WIN Purchasable license for commercial use Complete toolset for the Unreal Engine 3
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