Counter-Strike is a tactical first-person shooter game developed by Valve. It was initially developed and released as a Half-Life modification by Minh "Gooseman" Le and Jess Cliffe in 1999, before Le and Cliffe were hired and the game's intellectual property acquired. Counter-Strike was released by Valve for Microsoft Windows in November 2000, and is the first installment in the Counter-Strike series. Several remakes and ports were released on Xbox, as well as OS X and Linux.
Half-Life is a 1998 first-person shooter (FPS) game developed by Valve Corporation and published by Sierra Studios for Windows. It was Valve's debut product and the first game in the Half-Life series. The player assumes the role of Gordon Freeman, a scientist who must escape from the Black Mesa Research Facility after it is invaded by aliens following a disastrous scientific experiment. The gameplay consists of combat, exploration and puzzles.
Team Fortress Classic is a first-person shooter game developed by Valve and published by Sierra Studios. It was originally released in April 1999 for Windows, and is based on Team Fortress, a mod for the 1996 game Quake. The game puts two teams against each other in online multiplayer matches; each member plays as one of nine classes, each with different skills. The scenarios include capture the flag, territorial control, and escorting a "VIP" player.
Video game modding is the process of alteration by players or fans of one or more aspects of a video game, such as how it looks or behaves, and is a sub-discipline of general modding. Mods may range from small changes and tweaks to complete overhauls, and can extend the replay value and interest of the game.
Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. It is most well-known for its usage by Valve, but the engine has been used both by small teams and individuals to create modifications of Valve games, and other studios creating distinct games, notably Troika Games' title Vampire: The Masquerade – Bloodlines. Valve continued to create incremental updates to the Source engine after its 2004 release, most of which coincided with games created by Valve. In the late 2010s, Valve created the Source 2 engine to replace Source, with it publicly debuting alongside Half-Life: Alyx. The Source engine is most well-known for its advancements in physics, AI, and graphics.
Black Widow Games was a video game developer specializing in promotional mods for Quake and Half-Life 3D engines. They are best known for their They Hunger series. Prominent members included Neil Manke, Einar Saukas, and Magnus Jansén. The company business model is based on developing contract-work mods for the marketing campaigns of customer companies and products, freely distributed for promotion.
Pirates, Vikings and Knights II is a multiplayer team-based first-person action video game, developed as a total conversion modification on Valve proprietary Source engine. The game is currently in beta development stages, with its first public release on 1 January 2007. The second major public version was released a year later on 7 February 2008.
Zombie Panic! Source is a cooperative survival-horror Half-Life 2 first-person shooter modification. It is the sequel to the Half-Life mod Zombie Panic. Set in the middle of a zombie apocalypse, players start as a small group of survivors attempting to stay alive. Each map will have its own objectives to complete and win the round or survive by a period of time.
Garry's Mod is a 2006 sandbox game developed by Facepunch Studios and published by Valve. The base game mode of Garry's Mod has no set objectives and provides the player with a world in which to freely manipulate objects. Other game modes, notably Trouble in Terrorist Town and Prop Hunt, are created by other developers as mods and are installed separately, by means such as the Steam Workshop. Garry's Mod was created by Garry Newman as a mod for Valve's Source game engine and released in December 2004, before being expanded into a standalone release that was published by Valve in November 2006. Ports of the original Windows version for Mac OS X and Linux followed in September 2010 and June 2013, respectively. As of September 2021, Garry's Mod has sold more than 20 million copies. A successor, Sandbox, has been in development since 2015.
Jailbreak: Source is a multiplayer team-based first-person action video game, developed as a total conversion modification on the Valve's proprietary Source engine. The game was in beta development stages before it was abandoned, with its first public release on 14 February 2007. 0.2 followed a week later as a patch. The third major public version was released two months later on April 21, 2007. The next release was made available just over a year later, on May 3, 2008 with the latest version (0.6) being released on 15 January 2010.
Insurgency: Modern Infantry Combat is a total conversion mod for Valve's Source engine. Released in 2007, it's a multiplayer tactical shooter, focused on a realistic experience, compared to other titles in that period. The game is primarily set in Iraq and Afghanistan, in a war between the United States Marine Corps, and a group of rebel insurgents.
Black Mesa is a 2020 first-person shooter game developed and published by Crowbar Collective. It is a third-party remake of Half-Life (1998) made in the Source game engine. Originally published as a free mod in September 2012, Black Mesa was approved for commercial release by Valve, the developers of Half-Life. The first commercial version was published as an early-access release in May 2015, followed by a full release in March 2020 for Linux and Windows.
GoldSrc, sometimes called the Half-LifeEngine, is a proprietary game engine developed by Valve. At its core, GoldSrc is a heavily modified version of id Software's Quake engine. It made its debut in 1998 with Half-Life and powered future games developed by or with oversight from Valve, including Half-Life's expansions, Day of Defeat and games in the Counter-Strike series.
No More Room in Hell is a cooperative first person survival horror video game, created by Matt "Maxx" Kazan and initially developed as a modification on Valve's Source game engine. Set in a zombie apocalypse, the player assumes the role of one of eight remaining survivors, with a focus on co-operation and survival. The game can be played through "Objective" or "Survival" mode. It is heavily inspired by George Romero's Living Dead series, with the title being a reference to Dawn of the Dead, specifically the line "When there's no more room in hell, the dead will walk the earth.", and some characters being references to other films such as American Psycho and The Big Lebowski.
Cry of Fear is a first-person survival horror game developed by independent Swedish studio Team Psykskallar. Though originally a mod for the video game Half-Life in 2012, it was released as a standalone product the following year.
Counter-Strike (CS) is a series of multiplayer tactical first-person shooter video games in which teams of terrorists battle to perpetrate an act of terror while counter-terrorists try to prevent it. The series began on Windows in 1999 with the release of the first game, Counter-Strike. It was initially released as a modification ("mod") for Half-Life that was designed by Minh "Gooseman" Le and Jess "Cliffe" Cliffe before the rights to the mod's intellectual property were acquired by Valve, the developers of Half-Life, who then turned Counter-Strike into a retail product released in 2000.
Half-Life: C.A.G.E.D. is a game modification of Half-Life by Cayle George and Future Games Select released on September 21, 2017. Made using the GoldSrc engine, the mod includes a single-player campaign in which the player must escape from a closely guarded prison.
