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.
Urban Terror started as a realism based "total conversion" mod for Quake III Arena. Nowadays, Urban Terror is played using the free, stand-alone, ioquake3 engine modified, which doesn't require Quake III Arena, in addition to being an add-on to id Software's...
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
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
Cross Fire is a free online first-person shooter featuring persistent rankings and five game modes – including the exclusive stealth-action Ghost Mode.
United States
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
Finland
EU
WoP is the domain of ENTE's comic strip super-hero bad-boy Padman and his motley crew, and their mission is to make your game with some seriously addictive fun, whatever your skill level and whatever character role you jump into.
HateArena is a (very) fast-paced multiplayer and single-player arena shooter. Wall-jumping, shotgun-boosting arena combat built on the Cube engine.
MarineGo is a First-person shooter Survival game. Inspired by Borderland, Half-Life, Doom, Quake, Blood, Heretic, Hexen, Redneck Rampage and all your '90s favorites.
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.
