Valve is an entertainment software and technology company founded in 1996 and based in Bellevue, Washington. The company’s debut title, Half-Life, has won over 50 Game of the Year Awards and was named "Best PC Game Ever" in the November 1999, October 2001, and April 2005 issues of PC Gamer, the world's best-selling PC games magazine.

Valve games account for over 88% of the PC online action market. In addition to producing best selling entertainment titles, Valve is a developer of leading-edge technologies, such as the Source™ game engine and Steam, a broadband platform for the delivery and management of digital content.

Below is a listing of all the games they have developed and part developed.

Newest/Most Popular Games: Left 4 Dead 2, Left 4 Dead, Team Fortress 2, Portal, Half-Life 2: Episode 3, Half-Life 2

Games

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Team Fortress 2 Team Fortress 2 is a team-based first-person shooter multiplayer game developed by Valve. A sequel to Valve's previous Team Fortress Classic, it was first released as part of the compilation pack 'The Orange Box' on October 10, 2007 for Windows and the Xbox 360.

 

Portal Portal places you in the shoes of a test subject for the company Aperture Laboratories, tasked with testing an experimental weapon called the "Aperture Science Handheld Portal Device. The game presents myriad interesting puzzle opportunities, given that any horizontal or vertical plane can be used to create a portal, resulting in somewhat mind-bending possibilities.

 

Left 4 Dead Left 4 Dead is a intense, fast-paced co-operative survival horror shooter developed by Valve on the Source engine. The simple but by no means easy aim of the game is to survive. You are one of four lucky survivors of a new and highly virulent strain of the rabies virus which emerges out of nowhere and spreads through the human population with frightening speed. The pandemic's victims become grotesquely disfigured, wildly violent zombies, attacking the uninfected on sight. Alone, you're dead, but together with a handful of fellow survivors you must work together as a team if you want to have any chance of making it out alive.

 

Left 4 Dead 2 Left 4 Dead 2 is the sequel to the best-selling and critically-acclaimed co-operative multiplayer smash from Valve, creators of the Half-Life, Portal, Team Fortress and Counter-Strike game properties. Left 4 Dead 2 promises to become one of 2009's top-selling games and set a new benchmark for co-operative action games.

Half-Life 2 Series

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Half-Life 2 The player again picks up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at Black Mesa. And a lot of people he cares about are counting on him.

  

Half-Life 2: Deathmatch "Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!" Half-Life 2: Deathmatch is bundled free with any Half-Life 2 package in retail stores or Steam.

 

Half-Life 2: Lost Coast Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine.

 

Half-Life 2: Episode 1 Half-Life 2 has sold over 4 million copies worldwide, and earned over 35 Game of the Year Awards. Episode One is the first in a series of games that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. Also features two multiplayer games.

 

Half-Life 2: Episode 2 Half-Life® 2: Episode Two is the second in a trilogy of new games created by Valve that extends the award-winning and best-selling Half-Life® adventure. As Dr. Gordon Freeman, you were last seen exiting City 17 with Alyx Vance as the Citadel erupted amidst a storm of unknown proportions. In Episode Two, you must battle and race against Combine forces as you traverse the White Forest to deliver a crucial information packet stolen from the Citadel to an enclave of fellow resistance scientists.

 

Half-Life 2: Episode 3 Half-Life 2: Episode Three is the third and final instalment in a series of episodes following Half-Life 2. It is currently in development and Valve have said we may see something from it at the end of this year. The project has been labelled 'highly ambitious' by Doug Lombardi, and release is still a while off.

Counter-Strike Series

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Counter-Strike Today as it stands Counter Strike is still extremely popular on Steam. It attracts 60,000 to 85,000 gamers at any time of day, making it the 2nd most played game on Steam behind Counter Strike: Source, its successor.

 

Counter-Strike: Condition Zero   CS:CZ features updated character models, textures, maps and other small graphical tweaks. As well as a multiplayer component, Condition Zero also introduces a short single-player mission pack against computer controlled player 'bots'.

 

Counter-Strike: Source Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer. Counter-Strike is available now for PC only.

Day of Defeat Series

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Day of Defeat Day of Defeat is a World War II multiplayer modification for Half-life available on PC. Day of Defeat attempts to recreate WWII battles in both fictional and non-fictional environments. It puts you in the shoes of either an Allied or Axis soldier circa 1944, Western Europe.

  

Day of Defeat: Source Day of Defeat: Source is the third official multiplayer game that’s founded with the Source engine. Counter Strike: Source is a mixture of rewarding combat incorporated into delicate tactics; Half-Life 2: Deathmatch is just crazy fun with physics, and now, the final pillar that holds aloft Source, is Day of Defeat. It’s gritty, realistic, and challenging.

Half-Life Series

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Half-Life Developed by VALVe software, Half-Life was their first title, released in 1998 after years of hard work and one complete overhaul late in production. Running on a heavily modified Quake engine, it put the players in the position of Gordon Freeman, a young scientist who finds himself in the middle of an extra dimensional invasion of aliens after a failed experiment.

  

Half-Life: Source With the advent of Source and release of Half-Life 2, VALVe has ported the entire Half-Life experience to the Source engine. The game now runs on the updated engine and uses all of the new engine's features. However, there is little in the way of true graphical improvement, as all the models, textures and sounds come from the 1998 Half-Life release.

  

Half-Life: Opposing Force Half-Life: Opposing Force is the first official expansion pack for Half-Life. It puts the player into the role of Cpl. Adrian Shephard, one of the military specialists of the Hazardous Environment Combat Unit (HECU) sent in by the government to contain and silence the Black Mesa Research Facility. Shephard travels through new and familiar areas of the Black Mesa facility, encountering new weapons and NPC's.

  

Half-Life Blue Shift The second official expansion for Half-Life, again, like Opposing Force, developed by Gearbox under VALVe's supervision, pits you in the role of one B. Calhoun, member of the Black Mesa Security Force, as he begins another long shift just minutes before the Resonance Cascade.

 

Half-Life Uplink: Demo The official demo for Half-Life. Whereas most video games take their content entirely from the full product, Half-Life: Uplink is notable in that the areas and events portrayed are not part of the actual game. The demos for Opposing Force and Half-Life 2 are solely composed of areas from their respective games.

 

Ricochet Ricochet is a jumping game made by Valve to follow a pre-steam update to Half-Life. The official maps take place in space where players jump around on neon-lit platforms, chopping each others heads off with frisbees. There's a significant lack of custom maps for Ricochet, and the community is small.

 

Deathmatch Classic Death Match Classic was created by Valve as a tribute to id Software, and is essentially a remake of the multiplayer component of id's Quake. The gameplay is similar to Quake deathmatch and has the same weapons (although the original axe weapon was replaced by Half-Life's trademark crowbar). Some old maps are also included and 5 maps were converted to DMC.

 

Team Fortress Classic Team Fortress Classic is the successor to the popular Quake multiplayer mod Team Fortress. Team Fortress Classic revolves around two or more teams with players assuming the roles of nine distinct classes, each with their own strengths and weaknesses. The goal of the game is to complete map-specified objectives, earning points for your team. The team with the most points at the end wins the map.