List of Freeware Multiplayer Online Shooters / FPS

Below is our list of freeware client-based, multiplayer online shooters (FPS). In contrary to free-to-play, those games are free for download and don't feature an in-game cash shop, most of them are even completely free of any monetization models. 

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Alien Arena

Rating: 4.19/5 (26 Votes)

Developer: COR Entertainment
Type: FPS
Platform: Windows, Linux, OSX

Alien Arena is an old-school arena shooter, with elements from Quake III and Unreal Tournament, featuring fast-paced FPS gameplay, dozens of maps and levels, more than six game modes and fun, sci-fi-retro alien characters. Alien Arena is based on the open source CRX gaming engine and plays flawlessly on Windows, Linux, Unix and OSX.
americasarmy os

America's Army

Rating: 3.40/5 (20 Votes)

Developer: U.S. Army
Type: FPS
Platform: Windows

America's Army: Proving Grounds is the forth sequel of the critically acclaimed America's Army series, a free multiplayer shooter developed by the U.S. Army. The UE3-powered, military FPS is set in a fictional story and emphasizes tactical teamwork. The game provides further military training, tactics and real-life weapons. In America's Army players assume the role of a U.S. Army soldier and can choose between five mission types and two game modes.
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Legions: Overdrive

Rating: 3.18/5 (11 Votes)

Developer: InstantAction
Type: FPS
Platform: Windows, (Linux, OSX)

Legions: Overdrive had been officially discontinued, but is still being operated by small group of fans. The game is a sci-fi FPS, providing five game modes and three character classes. Gameplay is similar to the Tribes series, in which players use jetpacks to move around fast and strike from the air.
Quake Live

Quake Live

Rating: 3.06/5 (18 Votes)

Developer: id Software
Type: FPS
Platform: Windows

The long-running arena shooter classic Quake Live was initially developed with id's proprietary id Tech 3 engine as free-to-play, browser-based version, but is now available as standalone client on both Steam and the official site. The shooter is out there since 2007, but gameplay is still great, flawless, fast-paced and highly competitive. And as such Quake Live gets fresh updates and there is no reason not to get playing and test your FPS skills in more than 12 game modes and various arenas right away!
 
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Renegade X

Rating: 3.94/5 (17 Votes)

Developer: TotemArts
Type: FPS
Platform: Windows

Renegade X is a UE3-powered shooter, set in the universe of the popular Command & Conquer series and available as freeware. War rages between Global Defense Initiative (GDI), and the Brotherhood of Nod, with each operating from their own base, comprised of the building known building elements, such as Obelisk, Hand of Nod, refinery, etc. Players can join up to intense 64-players matches, in which the enemy's base have to be destroyed with armored vehicle support.
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Warsow

Rating: 2.81/5 (16 Votes)

Developer: Indie developers
Type: FPS
Platform: Windows, Linux, OSX

Warsow is an arena shooter, set in a futuristic cartoonish world in which players can pit as rocketlauncher-wielding pigs or lasergun-carrying cyberpunks. Players can jump, dash, dodge and walljump. It is a completely free, fast-paced first-person shooter and runs smoothly on Windows, Linux, and Mac OS X platforms. 
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Unvanquished

Rating: 4.00/5 (35 Votes)

Developer: Indie developers
Type: FPS
Platform: Windows, Linux, OSX

Unvanquished is an open-source, Daemon-engine based FPS, developed by a team of indie developers and contributors. Players pit against each other either as aliens or humans who are equipped with futuristic, powerful weapons. 
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Urban Terror

Rating: 3.11/5 (19 Votes)

Developer: FrozenSand
Type: FPS
Platform: Windows, Linux, OSX

Urban Terror is a free, stand-alone MOFPS which had been developed on the ioquake3 engine. The shooter provides many maps and community created levels, which can be played tactically. Players can also execute special moves and pit against each other in more than seven classic FPS game modes. 
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Xonotic

Rating: 2.38/5 (16 Votes)

Developer: Team Xonotic (Open Source)
Type: FPS
Platform: Windows, Linux, OSX

Xonotic is a competitive, fast-paced arena FPS, successor to the Nexuiz project (a shooter that has been abandoned a couple of years ago) and plays very much like Unreal Tournament and Quake, as it is based on a significantly modified Quake Engine. Xonotic features more than 18 maps, UT-styled weapons and ultra-speed gameplay.