Alternatives to Alien Arena for all platforms with any license

  • Xonotic icon

    Xonotic

    Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself. Xonotic...

    Open Source Mac Windows Linux PortableApps.com

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  • Quake (series) icon

    Quake (series)

    Quake is a series of first-person shooter video games released by id Software. In the game, players must find their way out of various maze-like, medieval environments while battling a variety of monsters using a wide array of...

    Commercial Mac Windows Linux Steam

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  • Doom (Series) icon

    Doom (Series)

    Doom is a science fiction horror-themed first-person shooter video game in which players assume the role of a space marine, popularly known as "Doomguy", who must fight his way through the hordes of invading demons from...

    Commercial Windows Steam

  • Red Eclipse icon

    Red Eclipse

    Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments.

    Open Source Mac Windows Linux

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  • Warsow icon

    Warsow

    Warsow is a completely free fast-paced first-person shooter (FPS) for Windows, Linux and Mac OS X, set in a futuristic cartoonish world where rocketlauncher-wielding pigs and lasergun-carrying cyberpunks roam the streets. Speed...

    Open Source Mac Windows Linux Web / Cloud

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    • Discontinued Development has been discontinued, as stated at https://www.warsow.net/forum/thread/17216/1 . Last version, 2.1, released in March 2016, can be still downloaded from the official website.
  • Cube 2: Sauerbraten icon

    Cube 2: Sauerbraten

    Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS. Much like the original Cube, the aim of this game is not necessarily to produce the most features &...

    Open Source Mac Windows Linux

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    • Discontinued No more updates since Jan 2013 : http://sauerbraten.org/ . 2013, like Alien Arena, noticed discontinued.
  • Unvanquished icon

    Unvanquished

    Unvanquished is a free, open-source first-person shooter combining real-time strategy elements with a futuristic, sci-fi setting. It is available for Windows, Linux, and Mac OS X. Unvanquished is the next evolution of...

    Open Source Mac Windows Linux

  • AssaultCube icon

    AssaultCube

    AssaultCube is a FREE multiplayer first-person shooter game. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!

    Open Source Mac Windows Linux

    • Discontinued No more updates since Nov 2013 : http://assault.cubers.net/ (like Alien Arena, also noticed discontinued)
  • Urban Terror icon

    Urban Terror

    Urban Terror started as a realism based "total conversion" mod for Quake III Arena. Nowadays, Urban Terror is played using the free, stand-alone, ioquake3 engine modified, which doesn't require Quake III Arena, in...

    Free Mac Windows Linux

  • Dead Space (Series) icon

    Dead Space (Series)

    Dead Space is a survival horror third-person shooter video game for Microsoft Windows, PlayStation 3 and Xbox 360. The player controls Isaac Clarke (named after science fiction writers Isaac Asimov and Arthur C. Clarke), a ship...

    Commercial Windows Linux

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  • Zandronum icon

    Zandronum

    Zandronum is a multiplayer oriented port, based off Skulltag, for Doom and Doom II by id Software. Zandronum brings classic Doom into the 21st century, maintaining the essence of what has made Doom great for so many years and, at...

    Open Source Mac Windows Linux

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  • Nexuiz Classic icon

    Nexuiz Classic

    Nexuiz was originally developed by Lee Vermeulen and Forest ‘LordHavoc’ Hale, who started Alientrap in the summer of 2002. The goal of the project was to create a high quality first person shooter that could be played freely across...

    Open Source Mac Windows Linux

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    • Discontinued Nexuiz is no longer developed. It's successor is https://alternativeto.net/software/xonotic/ , but last version of Nexuiz Classic, 2.5.2, released in 2009, can be still downloaded from the official website.
  • Painkiller (Series) icon

    Painkiller (Series)

    The game is inspired by such classic titles as Quake and Doom, with the emphasis on killing large numbers of monsters. The game is divided into five chapters, each about five levels long. The player's objective is to get through...

    Commercial Windows

  • Tremulous icon

    Tremulous

    Tremulous is a free, open source game that blends a team based FPS with elements of an RTS. Players can choose from 2 unique races, aliens and humans. Players on both teams are able to build working structures in-game like an RTS....

    Open Source Mac Windows Linux

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    • Discontinued The project is no longer developed. Last version, 1.2 Beta, released in December 2009, can be still downloaded from the official website. The project has been forked by https://alternativeto.net/software/unvanquished/
  • Digital Paint: Paintball 2 icon

    Digital Paint: Paintball 2

    Digital Paint: Paintball 2 is a Paintball game that started out as a mod for quake 2 but then took on a life of its own as an open source fps game with a global player and clan management system.

    Open Source Windows Linux

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  • CSPromod icon

    CSPromod

    CSPromod aims to incorporate the best of CS 1.6 and CS:Source in one, feature-packed version. With 1.6-style gameplay and Source graphics, we hope and strive to re-unite the CS community. This is a standalone game!.

    Free Windows Linux Steam

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  • AU Modern FPS icon

    AU Modern FPS

    A simple First Person Shooter game, based on Unity web player, ready to play on browser.

    Free Web / Cloud Unity Web Player

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  • Blacklight Retribution icon

    Blacklight Retribution

    Blacklight Retribution is a fast paced, adrenaline pumping free to play first person shooter (FPS) based in a futuristic urban warzone. Blacklight Retribution provides FPS enthusiasts with a massive arsenal of weaponry and gear...

    Free Windows

  • Monday Night Combat icon

    Monday Night Combat

    Monday Night Combat (abbreviated MNC) is a class-based third person shooter game in which two teams are pitted against each other in a fictional combat setting similar to that of a tower defense and multiplayer online battle arena...

    Commercial Windows

  • War Rock icon

    War Rock

    A dynamic combat experience like no other! Equip yourself from a wide array of weapons and field gear, and fight on foot or take the battle to the enemy in armored vehicles ranging from Blackhawk choppers and K1 tanks to F-15 Eagles....

    Freemium Windows

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  • Shoot'Em Down (series) icon

    Shoot'Em Down (series)

    Shoot'Em Down and Shoot'Em Down II are two first person shooter games adjusted to the death-match style. Four player teams fight against 4-6 player opposing teams. Choose to play for Swat or Terrorists. Select from eight...

    Free Android Android Tablet

Alien Arena Comments

This game is pretty nice, but nobody ever plays it. Every t ...

Comment by Rajliv
about Alien Arena Jun 2011

This game is pretty nice, but nobody ever plays it. Every time I've looked for servers, there's only a few servers that appear like someone's playing in them, but they're actually all bots.

If you enjoy playing with bots online, this game is for you. If you wish to find a game with players only, don't bother downloading.

Even some "dead" ut2004 mods have a more active playerbase.

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