Nexuiz Classic has been discontinued. Similar games include Xonotic, which is free and open source. Other options are Counter-Strike, Quake, AssaultCube and Warsow. You can choose from more than 10 First-Person Shooters like Nexuiz Classic for Windows, Linux, Mac, the web and Android.
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
Halo is a science fiction, first-person shooter video game series, that centers on an interstellar war between humanity and a theocratic alliance of aliens known as the Covenant.
United States
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
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.
Germany
EU
Singularity is a first-person shooter with survival-horror elements. A main gameplay device is an artifact known as the Time Manipulation Device (TMD). The TMD is powered by an E-99 core, and can manipulate time.
United States
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.
First person shooting to die for. Rare flips the script on the predictable plots of first-person shooters, with a twisting storyline where aliens are allies and trust is a luxury you can't afford.
United States
HateArena is a (very) fast-paced multiplayer and single-player arena shooter. Wall-jumping, shotgun-boosting arena combat built on the Cube engine.
United Kingdom
