Games similar to Halo include Xonotic, which is free and open source. Other options are Unreal Tournament, AssaultCube, Call of Duty and BioShock. You're spoiled for choice with First-Person Shooters like Halo: we list more than 25 alternatives for Windows, Linux, Mac, Android and iPad.
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.
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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!
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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.
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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...
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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.
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Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.
Battlefield is a series of first-person shooter video games developed by Swedish company EA DICE and is published by American company Electronic Arts.
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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.
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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.
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Touhou Project is a Japanese vertically scrolling bullet hell [shooting](https://alternativeto.
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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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