SourceForts
2005 First-person shooter -
- multiplayer 
SourceForts is a multiplayer capture the flag mod for the computer game Half-Life 2. Two teams, red and blue, construct forts made from metal cubes and panels to protect their flag, and attempt to break into their opponent's fort to steal the enemy f ...
more on Wikipedia15 Games like SourceForts - Microsoft Windows - GNU/Linux
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Half-Life: Opposing Force
1999 First-person shooter - 
- multiplayer
Half-Life: Opposing Force is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. The game was developed by Gearbox Software and Valve Corporation and published by Sierra Entertainment on November 19, 1999 ...
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Space Trader
2007 First-person shooter - 
- multiplayer
Space Trader is a video game developed by the Canadian developer HermitWorks, for Microsoft Windows, Mac OS X, Linux and iOS. It was released on July 25, 2007. It started development in 2005, headed by Cameron Tofer and Marcia Tofer, both previously ...
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Serious Sam II
2005 First-person shooter - 
- multiplayer
Serious Sam II is a science fiction first-person shooter video game released for Microsoft Windows and Xbox and the sequel to the 2002 computer game Serious Sam: The Second Encounter, making it the third game in the Serious Sam series. It was designe ...
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Day of Defeat
2000 First-person shooter -
Day of Defeat is a team-based multiplayer first-person shooter video game set in the European theatre of World War II on the Western front. Originally a modification of the 1998 game Half-Life, the rights of the modification were purchased by Valve C ...
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Counter-Strike
1999 First-person shooter -
Counter-Strike is a first-person shooter video game developed by Valve Corporation. It was initially developed and released as a Half-Life modification by Minh "Gooseman" Le and Jess "Cliffe" Cliffe in 1999, before Le and Cliffe were hired and the ga ...
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Cube 2: Sauerbraten
2004 First-person shooter -
Cube 2: Sauerbraten (German for "sour roast", also known as Sauer) is a cross-platform, Quake-like first-person shooter that runs on Microsoft Windows, Linux, FreeBSD and Mac OS X using OpenGL and SDL. The game features single-player and multiplayer ...
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Shadow Warrior
1997 First-person shooter - - multiplayer
Shadow Warrior is a first-person shooter video game developed by 3D Realms and released on May 13, 1997 by GT Interactive. Shadow Warrior was developed using Ken Silverman's Build engine and improved on 3D Realms' previous Build engine game, Duke Nuk ...
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Doom 3: Resurrection of Evil (DLC) Steam Key EUROPE is a dlc released on 2005-04-04. Published by id Software.
Doom 3: Resurrection of Evil is a first-person shooter video game developed by Nerve Software. It was released for Microsoft Windows on April 3, 2005, as an expansion pack and sequel to Doom 3 and on October 5, 2005, for the Xbox video game console. ...
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Deathmatch Classic
2000 First-person shooter -
Deathmatch Classic or DMC is a first-person shooter multiplayer video game developed by Valve as a tribute to id Software's Quake. It was released on June 1, 2001. ...
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Realms of the Haunting is a point-and-click first-person shooter developed by Gremlin Interactive way back in 1996! The forces of darkness broke out! They were kept safely behind Seven Seals throughout history, yet now, for the first time ever, the safety of the planet is at risk! Defeat monsters in an array of universes that span from modern times to medieval worlds and bring safety back to the world!
Realms of the Haunting is a first-person adventure/shooter game developed by Gremlin Interactive. The 3D engine used in this game was borrowed from Gremlin's own Normality. ...
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Excalibur: Morgana's Revenge
1997 First-person shooter -
Excalibur: Morgana's Revenge is a first-person shooter video game developed by ExcaliburWorld Software. The game's development has been closely tied to the Marathon and later Aleph One engines, on which it is based. Most recently, the game was expand ...
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Counter-Strike: Source
2004 First-person shooter -
Counter-Strike: Source is a complete remake of Counter-Strike using the Source game engine. As in the original, Counter-Strike: Source pits a team of counter-terrorists against a team of terrorists in a series of rounds. Each round is won either by c ...
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Day of Defeat: Source
2005 First-person shooter -
Day of Defeat: Source is a team-based first-person shooter multiplayer video game developed by Valve Corporation. Set in World War II, the game is a complete remake of Day of Defeat, updated from the GoldSrc engine used by its predecessor to the Sour ...
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Urban Terror
2000 First-person shooter -
Urban Terror, commonly abbreviated as UrT, is a free multi-player first person shooter game developed by FrozenSand. Originally a total conversion of id Software's Quake III Arena, FrozenSand released Urban Terror as a free standalone game in 2007 ut ...
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SiN
1998 First-person shooter - - multiplayer Single player
SiN is a first-person shooter video game based on a modified version of the Quake II engine developed by Ritual Entertainment and published by Activision in late 1998. The game was later released over Steam platform on April 5, 2006, either as a stan ...
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