List of freeware first-person shooters

This is a list of some of the most popular freeware first-person shooters.

Title	Developer	Release date	Last update	Operating system	Engine	License	Notes
Action Quake 2	The Action Team	1998	2003	Linux, Windows	id Tech 2	Freeware	Team and Deathmatch based very fast FPS
AssaultCube	Rabid Viper	2006	2013	Linux, Mac OS, Windows	Cube Engine	zlib License (code), Individual licenses (media)	Realistic environments, fast arcade game play, many game modes. Single/Multiplayer.
Black Shades	Wolfire games	2001		Linux, OS X, Windows, Mac OS, iOS	Wolfire Games	Freeware	Free First-person shooter
BZFlag	Chris Schoeneman, Tim Riker	1993	2011-07-03 (2.4.0)	Linux, BSD, OS X, Windows, other UNIX		GNU LGPL	Tank combat.
Chub Gam 3D: Director's Cut	ChubGamSoft	1998		MS-DOS	Pie in the Sky	Freeware	Surreal horror single player game.
Red Alert: A Path Beyond	Bluehell Productions[1]	2007	2014-08-05	Windows, Mac	W3D_engine	Freeware	FPS, takes place in the Red Alert world
CodeRED: Alien Arena	COR Entertainment, LLC	2004–11	2011-12-29 (7.53)	Linux, BSD, OS X, Windows	CRX Engine	GNU GPL (code), Proprietary license (media)	Science fiction, with single or multiplayer modes.
Cube	Wouter van Oortmerssen	2001	2005-08-29	Linux, BSD, Mac OS, Windows	Cube engine	zlib License (code), Individual licenses (media)	Quake style multiplayer deathmatch. Single/Multiplayer.
Cube 2: Sauerbraten	Wouter van Oortmerssen	2004	2010-07-19	Linux, BSD, OS X, Windows	Cube engine	zlib License (code), Individual licenses (media)	Quake style deathmatch, includes built in level editor. Single/Multiplayer.
The Dark Mod	Team Dark Mod	2009	2015-02-08 (2.03)	Windows	id Tech 4 engine	CC-BY-NC-SA	First person stealth game in the style of the Thief (series) games ( 1 and 2 ) using a modified Id Tech 4 engine
F.E.A.R. Combat	Monolith Productions, Vivendi Universal	2005-10-17		Windows	Lithtech: Jupiter EX	Proprietary license	Stand-alone multiplayer component of the popular game F.E.A.R. Available here.
Fallen Empire: Legions	GarageGames, InstantAction	2009-06-30	2013-06-27	Windows	Torque Game Engine	Proprietary license	First-Person Shooter with Jetpacks, Multiplayer, CTF, Deathmatch
Freedoom	Freedoom project		2011-01-22 (0.7)	Linux, OS X, Windows, Android, Mac OS, MS-DOS, others	Doom engine	GNU GPL (code), BSD (media)	A Doom WAD file intended to be used instead of the copyrighted file from the original Doom and Doom II.
Fun Park	Mojang	2017		Windows		Proprietary license	The game developed by Mojang with one creator.
The Glorious Mission	Giant Interactive Group	2013-06-20		Windows		Proprietary license	Online multiplayer. Developed with the People's Liberation Army of China for use as a recruitment and training tool.
Gore: Special Edition	4D Rulers	2008-07-04		Windows	AMP engine	Proprietary license
Hidden & Dangerous	Illusion Softworks, Take-Two Interactive	1999-07-29	2001-11	Windows	Insanity Engine	Proprietary license	Released free to promote its sequel, Hidden & Dangerous 2. Single/Multiplayer.
.kkrieger	.theprodukkt	2004		Windows		Proprietary license	Won first place in the 96k game competition at Breakpoint in April 2004.
Kuma\War	Kuma Reality Games	2004	2006-07	Windows	Source engine	Proprietary license	Tactical episodic shooter. Single/Multiplayer.
OpenLieroX	Jason B.	2003	2003–present	Windows	Source engine	Single/Multiplayer.
Marathon	Bungie Studios	1994-12-21	2007	Mac OS (original), ported to Linux, OS X and Windows via AlephOne	Aleph One	GNU GPL (code)	Released as freeware and source code.
Nexuiz	Alientrap	2005-05-31	2009-10-01 (2.5.2)	Linux, OS X (10.4 or later), Windows	DarkPlaces Quake engine	GNU GPL	Unreal Tournament style deathmatch. Single/Multiplayer.
OpenArena	OpenArena team	2005-08-19	2012-02-20 (0.8.8)	Linux, OS X, Windows	ioquake3 id Tech 3	GNU GPL	Free software content remake of Quake III Arena. Single/Multiplayer
Point Blank	Zepetto, NCSOFT	2008-03		Windows	N/A	Proprietary license	Free FPS created by Zepetto in 2009. Close Beta version.
Postal²	Running With Scissors	2003-04-13		Linux, OS X, Windows	Unreal Engine 2	Proprietary license	The multiplayer component of commercial game Postal2STP.
Purge	Freeform Interactive	2003-04-15		Windows	Lithtech: Talon engine	Proprietary license	RPG hybrid where you can level up and increase stats by earning experience points.
Red Eclipse	Red Eclipse Team	2011-03-15	2016-09-13 (1.5.6)	Linux, Windows, OS X	Cube 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	2009-02		Windows	xrCore build 1935	Proprietary license	2004 Alpha build of S.T.A.L.K.E.R.: Shadow of Chernobyl. 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	S2 Games	2003-09-09		Linux, OS X (commercial), Windows	Silverback Engine	Proprietary license	Hybrid FPS/RTS with both ranged and melee combat
Savage 2: A Tortured Soul	S2 Games	2008-01-16		Linux, OS X, Windows (commercial)	K2 Engine	Proprietary license	The sequel to the award-winning game, Savage: The Battle for Newerth.
Smokin' Guns	Smokin' Guns Productions and Iron Claw Interactive	2009-01-01	2012-06-08	Linux, BSD, OS X, Windows, others	ioquake3 id Tech 3	GNU GPL (code/some media) Proprietary license (some media)	Western Quake-like FPS. Single (with bots)/Multiplayer.
Starsiege: Tribes	Dynamix, Sierra Entertainment	2004 (free release)		Windows	Darkstar engine	Proprietary license	Futuristic team based combat, released for free to promote Tribes: Vengeance. Multiplayer only.
Superhot	Piotr Iwanicki	2013-10-24		Windows, OS X			Time-Based FPS with limited ammunition. Singleplayer Only.
The DinoHunters	Kuma Games	2006-04-24		Windows	Source engine	Proprietary license	Also a machinima series. Single/Multiplayer.
Tremulous	Dark Legion Development	2006-03-31	2009-12-04 (preview release)	Linux, OS X (unofficial), Windows	ioquake3 id Tech 3	GNU GPL	Aliens vs Humans multiplayer team combat with some RTS elements.
Tribes 2	Dynamix, Sierra Entertainment	2004 (free release)		Windows	Torque Game Engine	Proprietary License	Futuristic team based combat, released for free to promote Tribes: Vengeance. Single/Multiplayer.
UberStrike	Cmune	2010-09-17		OS X, Windows	Unity	Proprietary license	Free-to-play "social shooter" on Facebook, MySpace and Apple's Dashboard Widgets.
Unreal Tournament	Epic Games	TBA	2015-03-09	Linux, OS X, Windows	Unreal Engine 4	Proprietary license	Crowdsourced and free first-person shooter.
Unvanquished[2]	Unvanquished Development	2012-02-29	2015 (Alpha 0.43)	Linux, OS X, Windows	modified ioquake3	CC BY-SA 2.5/GPL	Fork of Tremulous with new assets
Urban Terror	Silicon Ice Development / Frozen Sand	2000-08-05 (Beta 1.0)	2016-09-30 (4.3.0)	Linux, OS X, Windows	ioquake3 id Tech 3	GNU GPL (ioquake3 engine), Proprietary license (mod code, media)	Fast-paced, Hollywood tactical shooter. Originally a Quake 3 mod, now a standalone game.
Warmonger: Operation Downtown Destruction	NetDevil	2007-11-28	2009-08-27	Windows	Unreal Engine 3	GNU GPL (code), Proprietary license (media)	High-end Free-to-play first person shooter with destructible environments..
Warsow	Warsow team	2005-06-08	2016-04-14 (2.1)	Linux, OS X, Windows	Qfusion id Tech 2	GNU GPL (code), Proprietary license (media)	Quake style deathmatch focussed on high-paced action and trickjumps.
Wolfenstein: Enemy Territory	Activision, id Software, Splash Damage	2003-05-29	2015-08-21 (ET:Legacy 2.74)	Linux, OS X, Windows	id Tech 3, ET:Legacy	GNU GPL (code), Proprietary license (media)	Intended expansion pack turned freeware. WW2 multiplayer team combat
World of Padman	Padworld Entertainment	2007-04-01	2011-07-16 (1.5.4 beta Windows/Linux), 2011-01-24 (1.5.1 OS X)	Linux, OS X, Windows	ioquake3 id Tech 3	GNU GPL (code), Proprietary license (media)	A free Quake 3 like comical FPS game
Xonotic	Team Xonotic	2010-12-23	2015-08-26 (0.8.1)	Linux, OS X, Windows	DarkPlaces Quake engine	GNU GPL	Fork and direct successor of the Nexuiz Project.
Black Mesa (video game)	Crowbar Collective (Black Mesa Modification Team)	2012-9-14		Windows	Source (game engine)	Freeware	Complete remake of Half Life 1(Needs Steam in order to run)

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 microtransactions or in-game advertising. Some of these may be MMOFPS, MMOTPS or MMORPG games.

Title	Developer, Publisher	Release date	Operating system	Engine	License	Notes
Blacklight: Retribution	Zombie Studios	2012-04-03	Windows	Unreal Engine 3	Proprietary license	Online multiplayer, futuristic setting.
CrossFire	Z8Games	2006	Windows	Lithtech Jupiter	Freeware	Modern team based shooter. Lots of game modes.
Mission Against Terror	Kingsoft Dalian JingCai Studio, Wicked Interactive / Suba Games	2012	Windows		Proprietary license	Free-to-play online fps, developed by KingSoft, published by Wicked Interactive / Suba Games.
Fallen Earth	?	?	?	?	?	Online multiplayer[3]
Heroes and Generals	?	?	?	?	?	Online multiplayer[4]
War_Rock	?	?	?	?	?	Online multiplayer, features controllable vehicles
Combat Arms	Nexon	2008-07-11	Windows	Lithtech	Proprietary license	Online multiplayer, modern setting; microtransaction business model.
CrimeCraft	Vogster Entertainment	2009-08	Windows	Unreal Engine 3	Proprietary license	Massively multiplayer online with 3rd and 1st-person perspectives; microtransaction business model.
PlanetSide 2	Sony Online Entertainment	2012-11-20	Windows	Forgelight Engine	Proprietary license	Massive battles with 2000 players per continent at a time. 3 factions fighting over 3 continents. Player customization, microtransaction business model.
Sudden Attack	Nexon		Windows	Lithtech	Proprietary license	Online multiplayer
Tribes: Ascend	Hi-Rez Studios	2011-12	Windows	Unreal Engine 3 (modified)	Proprietary license	Online multiplayer; microtransaction business model.

Game engines

Engine	Developer, Publisher	Release date	Linux	OS X	Windows	other	License	Notes
Aleph One	Bungie Studios (originally)	2000-01-17	Yes	Yes	Yes	Mac OS, BSDs	GNU General Public License	Aleph One is an open-source project based on the Marathon 2: Durandal code, which was released to the public by Bungie Software.
Build engine	Ken Silverman/3D Realms	2000-6-20	Yes	Yes	Yes	Yes	Custom licence, GNU General Public License	First released by Silverman; 3D Realms later did GPL releases of Duke Nukem 3D and Shadow Warrior
Cube	Wouter van Oortmerssen		Yes	Yes	Yes	No	zlib License (code), Individual licenses (media)	FPS with sandbox style level-editor
Cube 2: Sauerbraten	Wouter van Oortmerssen		Yes	Yes	Yes	No	zlib License (code), Individual licenses (media)	FPS with sandbox style level-editor
Dim3	Brian Barnes		No	Yes	Yes	No	MIT License	Development set
id Tech 1	id Software	1999	Yes	Yes	Yes	No	GNU General Public License	Known as the Doom engine, originally used for Doom, Doom II, and clones
id Tech 2	id Software	2001-12-22	Yes	Yes	Yes	No	GNU General Public License	Quake 2, CRX and Qfusion are open-source derivatives
id Tech 3	id Software	2005-08-19	Yes	Yes	Yes	Yes	GNU General Public License	Quake 3, ioquake3 is an open-source derivative
id Tech 4	id Software	2011-11-22	Yes	Yes	Yes	Yes	GNU General Public License	Doom 3
Quake engine	id Software		Yes	Yes	Yes	No	GNU General Public License	Quake, DarkPlaces is an open source derivative
Retribution Engine	APGSoftware	2001	No	No	Yes	No	GNU General Public License	Quake style single player games and levels.
Torque Game Engine	GarageGames	2012-09-20	Yes	Yes	Yes	No	MIT License
Unity	Unity Technologies	2009	Yes	Yes	Yes	No	Purchasable license for commercial use, iPhone license, Free indie license	Development set
Unreal Engine	Epic Games	1998	Yes	Yes	Yes	PlayStation 4, Xbox One, iOS, Android	Proprietary	Free to download and use
Wolfenstein 3D engine	id Software	1995	Yes	Yes	Yes	No	GNU General Public License	Also available from Blake Stone: Planet Strike source release

References

1. Red Alert A path Beyond
2. Unvanquished
3. List of free MMOFPS games
4. List of free MMOFPS games