Games similar to Serious Sam include Xonotic, which is free and open source. Other options are Quake, Unreal Tournament, Red Eclipse and Overwatch. You can choose from more than 10 First-Person Shooters like Serious Sam for Windows, Linux, Mac, the web and Android.
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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Quake is a classic first-person shooter game that revolutionized the genre with its fast-paced action and innovative multiplayer modes. Originally released in 1996, it continues to be a beloved title among gamers.
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Unreal is a series of first-person shooter video games developed by Epic Games.
United States
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.
United States
Overwatch is a team-based shooter where heroes do battle in a world of conflict.
United States
Warsow is a completely free fast-paced first-person shooter (FPS) for Windows, Linux and Mac OS X, set in a futuristic cartoonish world where rocketlauncher-wielding pigs and lasergun-carrying cyberpunks roam the streets.
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Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.
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.
United States
Freedoom is a WIP a complete free content game based on the Doom engine. It's not an engine, but it's replacement game data with entirely original content, Compatible with a majority of game mods made for Doom. Comes in Three Flavors~.
The game is inspired by such classic titles as Quake and Doom, with the emphasis on killing large numbers of monsters. The game is divided into five chapters, each about five levels long. The player's objective is to get through each level, from start to finish, by...
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SPRAWL 96 is a celebration of our retro shooter SPRAWL, released for the first anniversary of SPRAWL's release. It’s also our way of giving thanks and giving back to the communities which made SPRAWL possible.
Wolfenstein is a series of video games centered around fighting back against the Nazi regime.
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