Games similar to Urban Terror include Xonotic, which is free and open source. Other options are Counter-Strike, Team Fortress 2, Quake and Unreal Tournament. You're spoiled for choice with First-Person Shooters like Urban Terror: we list more than 25 alternatives for Windows, Linux, Mac, Android and iPhone.
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 all platforms in one package: PC, Mac, and...
Canada
Tom Clancy's Ghost Recon is an American video game series of military tactical shooters, created by Red Storm Entertainment, a game development studio founded in part by American author Tom Clancy.
United States
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.
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.
United States
Warframe situates players as members of the Tenno race, newly awoken after years of cryo-sleep into a solar system at war. Reborn into a corrupt era, the Tenno are sought by the oppressive Grineer Empire for annihilation.
Canada
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.
United States
One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare.
United States
TrueCombat: Elite is a FREE modification for the Enemy Territory game (also free). It is a realistic modern day FPS featuring state of the art models and textures.
A free-and-open-source first-person-shooter aimed at improving the classic game, AssaultCube!
Canada
Jake2 is a Java 3D game engine. It is a port of the GPL’d Quake2 game engine from id Software. To use the Jake2 engine you need either the data files from the original game or from the demo version that is available for download from ftp://ftp.idsoftware.com.
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