One of the most popular alternatives to Quake is Half-Life. It's paid, but Xonotic and Unreal Tournament are free. Other popular alternatives are Doom, AssaultCube, GZDoom and Overwatch. You're spoiled for choice with First-Person Shooters like Quake: we list more than 50 alternatives for Windows, Linux, Mac, Android and the web.
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 ranging from bleeding edge side arms to massive...
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
Wolf Team is a fast paced 3D MMOFPS that features the ability for players to transform between playing as a Human or as a Werewolf. Humans have an assortment of weapons available at their disposal giving them an advantage at a distance.
A truly free and open source multiplayer shooter, no strings attached. Have casual deathmatch matches on various scenarios. Build your own levels with the ingame editor and assets that come with the game, or just play around and use it as a sandbox.
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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.
United States
Touhou Project is a Japanese vertically scrolling bullet hell [shooting](https://alternativeto.
Japan
The website linked is not real page, just moddb page. Wikipedia says all official sites have been closed.
United States
Take part of history’s greatest battle of Green VS. Tan. Fight amongst and against others online. Sometimes the greatest battles are fought by the smallest of soldiers.
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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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