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 ...
more on Wikipedia15 Games like Counter-Strike: Source - Microsoft Windows - Mac OS X - GNU/Linux
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Enemy Territory: Quake Wars
2007 First-person shooter - 
- multiplayer
Enemy Territory: Quake Wars is a first-person shooter video game developed by Splash Damage and published by Activision for Microsoft Windows, Linux, Mac OS X, PlayStation 3 and Xbox 360. The prequel to Quake II, Quake Wars is set in the same science ...
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Team Fortress Classic
1999 First-person shooter -
Team Fortress Classic is a team-based online multiplayer first-person shooter video game developed and released by Valve Corporation in 1999. Based on the 1996 Quake modification Team Fortress, the title was ported to Valve's GoldSrc engine as a way ...
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Tremulous
2005 Strategy, First-person shooter -
Tremulous is a free and open source team-based first-person shooter with real-time strategy elements. ...
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Medal of Honor: Allied Assault
2002 First-person shooter - - multiplayer
Medal of Honor: Allied Assault (abbreviated MoH:AA) is a 2002 first-person shooter video game developed by 2015, Inc. It was published by EA Games and officially released for Microsoft Windows on January 22, 2002 in North America and on February 15, ...
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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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Left 4 Dead 2
2009 First-person shooter - - multiplayer
Left 4 Dead 2 is a cooperative first-person shooter video game, the sequel to Valve Corporation's Left 4 Dead. The game launched on November 17, 2009, for Microsoft Windows and Xbox 360 in the United States and November 20 in Europe. On September 5, ...
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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 ...
more on WikipediaCounter-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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CodeRED: Alien Arena
2004 First-person shooter - - multiplayer
Alien Arena (initially CodeRED: Alien Arena) is a free, stand-alone first-person shooter computer game. Begun by COR Entertainment in 2004, the game combines a 1950s-era sci-fi atmosphere with gameplay similar to the Quake, Doom, and Unreal Tournamen ...
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Half-Life 2
2004 First-person shooter - 
Half-Life 2 (stylized as HλLF-LIFE2) is a first-person shooter video game and the sequel to Half-Life. Developed by Valve Corporation, it was released on November 16, 2004, following a protracted five-year $40 million development, during which a s ...
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Borderlands 2 is a truly wacky FPS where you shoot everything that moves, kill it, loot it and move on to face another enemy. You will be able to play as one of four classes: the Siren, the Commando, the Gunzerker, and the Assassin. To truly succeed, you will have to master what your character does best. Only then you will be able to rip through the Borderlands 2 world on your way to glory. If playing solo isn't your thang, feel free to play in Co-op Online or on LAN.
Borderlands 2 is an action role-playing first-person shooter video game, developed by Gearbox Software and published by 2K Games on September 18, 2012. It is the second game in the Borderlands series and the sequel to 2009's Borderlands. The game was ...
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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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The Orange Box
2007 puzzle, First-person shooter - - multiplayer Single player
The Orange Box is a video game compilation for Microsoft Windows, Xbox 360, PlayStation 3, Mac OS X and Linux. The Windows and Xbox 360 versions were produced and published by Valve Corporation and released on October 10, 2007, as a boxed retail copy ...
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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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Half-Life 2: Episode Two
2007 First-person shooter -
Half-Life 2: Episode Two is a first-person shooter video game, the second episode in a series of sequels to the 2004 Half-Life 2. It was developed by Valve Corporation in tandem with Episode One, the first game in the series, and released in 2007 via ...
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