Software:List of freeware first-person shooters

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This is a list of some of the most popular freeware and free and open-source software first-person shooter games.

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 Productions	2006	2022-04-01 (1.3.0.2)	Linux, Mac OS, Windows, Android	Cube Engine	zlib License (code), Individual licenses (media)	Realistic environments, fast arcade game play, many game modes. Single/Multiplayer.
AssaultCube Reloaded (ACR)	AssaultCube Reloaded Task Force	2010	2021	Linux, Mac OS (requires manual compilation), Windows			Improves AssaultCube. 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	2022-03-08 (2.4.24)	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
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	Wouter van Oortmerssen	2004	2020-11-30	Linux, BSD, OS X, Windows	Cube 2 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
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		2019-10-22 (0.12.1)	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.
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
.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.
Marathon	Bungie	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
OpenSpades	YVT		2019-01-04 (0.1.3)	Linux, OS X, Windows		GNU GPL	Based on Ace of Spades 0.75
Point Blank	Zepetto, NCSOFT	2008-03		Windows	N/A	Proprietary license	Free FPS created by Zepetto in 2009. Close Beta version.
Red Eclipse	Quinton Reeves, Lee Salzman	2011-03-15	2019-12-19 (2.0.0)	Linux, BSD, OS X, Windows	Cube 2 Engine / Tesseract	zlib License	New take on the first person arena shooter, featuring parkour, impulse boosts, and more.
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.. Contains content and features cut from the final release. Has a number of bugs but contains a full, playable single player campaign.
Savage	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	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	Dynamix, Sierra Entertainment	2004 (free release)		Windows	Darkstar engine	Proprietary license	Futuristic team based combat, released for free to promote Tribes. Multiplayer 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. Single/Multiplayer.
UberStrike	Cmune Ltd.	2008	2015-06-17	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	Unvanquished Development	2012-02-29	2021-06-21 (Alpha 0.52.1)	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)	2018-06-21 (4.3.4)	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	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	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	2022-06-30 (0.8.5)	Linux, OS X, Windows	DarkPlaces Quake engine	GNU GPL	Fork and direct successor of the Nexuiz Project.
Team Fortress 2	Valve	2007-10-7	2019-3-28	Windows, Mac OS, Linux.	Source	Proprietary license	Also available on Xbox 360 and PlayStation 3, formerly pay to play, sequel to Team Fortress Classic.

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	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. Many 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
Heroes and Generals	?	?	?	?	?	Online multiplayer
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	Daybreak Game Company	2012-11-20	Windows	ForgeLight	Proprietary license	Massive battles with 2000 players per continent at a time. 3 factions fighting over 4 continents. Player customization, microtransaction business model.
Sudden Attack	Nexon	2005-4-11	Windows	Lithtech	Proprietary license	Online multiplayer
Tribes	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 (originally)	2000-01-17	Yes	Yes	Yes	Mac OS, BSDs	GPL-3.0-or-later	Aleph One is an open-source project based on the Marathon 2 code, which was released to the public by Bungie.
Build engine	Ken Silverman/3D Realms	2000-06-20	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 Engine	Wouter van Oortmerssen	2001	Yes	Yes	Yes	Android	zlib License (code), Individual licenses (media)	FPS with sandbox style level-editor
Cube 2 Engine	Wouter van Oortmerssen	2004	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 0	id Software	1995	Yes	Yes	Yes	No	GPL-2.0-or-later	Wolfenstein 3D. Also available from Blake Stone source release; earlier versions in Hovertank 3D and Catacomb 3-D source releases, and further developed in Rise of the Triad source release
id Tech 1	id Software	1999-10-03	Yes	Yes	Yes	No	GPL-2.0-or-later	Known as the Doom engine, originally used for Doom, Doom II, and clones. Heretic and Hexen.
id Tech 2	id Software	1999-12-21	Yes	Yes	Yes	No	GPL-2.0-or-later	Quake, Hexen II, DarkPlaces is an open source derivative.
id Tech 2.5	id Software	2001-12-22	Yes	Yes	Yes	No	GPL-2.0-or-later	Quake 2, CRX and Qfusion are open-source derivatives
id Tech 3	id Software	2005-08-19	Yes	Yes	Yes	Yes	GPL-2.0-or-later	Quake 3, ioquake3 is an open-source derivative
id Tech 3.5	id Software	2010-08-12	Yes	Yes	Yes	Yes	GPL-3.0-or-later	Return to Castle Wolfenstein, iortcw is an open-source derivative
id Tech 4	id Software	2011-11-22	Yes	Yes	Yes	Yes	GPL-3.0-or-later	Doom 3
id Tech 4.5	id Software	2012-11-26	Yes	Yes	Yes	Yes	GPL-3.0-or-later	Doom 3
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

See also

• List of open-source video games