Halo is described as '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' and is a first-person shooter in the games category. There are more than 25 games similar to Halo for a variety of platforms, including Windows, Linux, Mac, Steam and Playstation apps. The best Halo alternative is Xonotic, which is both free and Open Source. Other Halo like games are Unreal Tournament, Call of Duty, Red Eclipse and BioShock.
Xonotic is a free (GPL), fast-paced first-person multiplayer 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.
Unreal is a series of first-person shooter video games developed by Epic Games.
Call of Duty is a military video game series and media franchise published by Activision, starting in 2003. The games were first developed by Infinity Ward, then by Treyarch and Sledgehammer Games. Several spin-off and handheld games were made by other developers.
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.
Going beyond "run and gun corridors," "monster-closet AIs" and static worlds, BioShock creates a living, unique and unpredictable FPS experience. After your plane crashes into icy uncharted waters, you discover a rusted bathysphere and descend into Rapture, a...
Battlefield is a series of first-person shooter video games developed by Swedish company EA DICE and is published by American company Electronic Arts.
AssaultCube is a free, multiplayer, first-person shooter game, based on the CUBE engine.
Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!
Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.
A group of people from different background and classes were brought to an isolated island by a mysterious organization called 'FF'. They were told only 1 people can leave this island alive.
OpenArena is a community-produced deathmatch FPS based on GPL idTech3 technology. There are many game types supported including Free For All, Capture The Flag, Domination, Overload, Harvester, and more. There are 17 unique player models to choose from and 12 weapons.
Touhou Project is a series of vertically scrolling bullet hell shooting game produced by [Oota Jun'ya (ZUN)](http://www16.big.or.
A free-to-play, fast-paced multiplayer shooter that features player-controlled portals. It takes the FPS genre to a new dimension with portal mechanics, delivering high-flying, multi-dimensional combat. IGN describes Splitgate as “Halo meets Portal".
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