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 ...
more on Wikipedia15 Games like Half-Life: Opposing Force - Microsoft Windows - Mac OS X - GNU/Linux
- Day of Defeat
- Rise of the Triad
- Urban Terror
- Painkiller: Hell & Damnation
- AssaultCube
- Borderlands 2
- Day of Defeat: Source
- Kingpin: Life of Crime
- BioShock Infinite: Burial at Sea
- Excalibur: Morgana's Revenge
- Tactical Ops: Assault on Terror
- Half-Life 2: Episode One
- Counter-Strike: Source
- System Shock 2
- Half-Life 2: Lost Coast
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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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Rise of the Triad
1995 First-person shooter - 
- multiplayer
Rise of the Triad: Dark War is a first-person shooter video game that developed and published by Apogee Software (3D Realms) in 1995. The player can choose one of five different characters to play as, each bearing unique attributes such as height, sp ...
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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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Painkiller: Hell & Damnation
2012 First-person shooter - 
- multiplayer
Painkiller: Hell & Damnation is a first-person shooter video game, both a remake of and a sequel to Painkiller, developed by The Farm 51 and published by Nordic Games. Painkiller: Hell & Damnation was released on October 31, 2012 for Windows and was ...
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AssaultCube
2008 First-person shooter - - multiplayer
AssaultCube is a free, first-person shooter game, based on the Cube engine. It takes place in realistic environments, with fast, arcade gameplay. Although the main focus of AssaultCube is multiplayer online gaming, a single-player mode consists of co ...
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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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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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Kingpin: Life of Crime
1999 First-person shooter -
Kingpin: Life of Crime is a first-person shooter developed by Xatrix Entertainment (now a part of Treyarch) and published by Interplay Entertainment in June 1999. The game begins with the player character wounded and beaten up by the Kingpin's henchm ...
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BioShock Infinite: Burial at Sea
2013 First-person shooter -
BioShock Infinite: Burial at Sea is an episodic expansion sequel to the first-person shooter video game BioShock Infinite, and a prequel to the original BioShock, and was developed by Irrational Games, and published by 2K Games. It is available on Li ...
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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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Tactical Ops: Assault on Terror
1999 First-person shooter - - multiplayer Single player
Tactical Ops: Assault on Terror is an online multiplayer video game with similar gameplay to Counter-Strike. Though it started as a mod for Unreal Tournament in December 1999, it soon became available as a retail version, which was released in April ...
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Half-Life 2: Episode One
2006 First-person shooter -
Half-Life 2: Episode One is a first-person shooter video game, the first in a series of episodes that serve as the sequel for the 2004 Half-Life 2. It was developed by Valve Corporation and released on June 1, 2006. Originally called Half-Life 2: Aft ...
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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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System Shock 2 Steam Key GLOBAL is a game released on 2000-08-11. Published by Nightdive Studios.
System Shock 2 is a first-person shooter action role-playing survival horror video game for Microsoft Windows, Apple OS X and Linux. The title was designed by Ken Levine and co-developed by Irrational Games and Looking Glass Studios. Originally inten ...
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Half-Life 2: Lost Coast
2005 First-person shooter -
Half-Life 2: Lost Coast is a small additional level for the 2004 first-person shooter video game Half-Life 2. Developed by Valve Corporation, it was released on October 27, 2005, through the Steam content delivery service as a free download to owners ...
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