“Empires, the award winning Half-Life 2 mod, combines the best of the first person shooter and real-time strategy genres. Fight as either the Northern Faction, remnants of the fallen nation of Jekotia, or as the imperial Brenodi Empire. Players can organize themselves into highly-effective squads, overwhelming their opponents with superior tactics. Squad leaders can not only direct their respective members, but also use special squad pow...”

Team Fortress 2 is a team-based first-person shooter (FPS) multiplayer video game developed by Valve Corporation. It is a sequel to the original mod Team Fortress based on the Source engine. Team Fortress 2 is distributed online through the Steam system, while retail distribution was handled by Electronic Arts. Team Fortress 2 is the first of Valve's multiplayer games to provide detailed statistics for individual players.

Counter-Strike: Source is a first-person shooter video game developed by Valve Corporation. It is a complete remake of Counter-Strike using the Source game engine, as well as being the first game to use the 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 completing an objective (such as detonating a bomb or rescuing hosta...

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 an updated version of Day of Defeat, moving from the GoldSrc engine used by its predecessor to the Source engine. Day of Defeat: Source is set in World War II, specifically the European Theatre in the year 1944. Players choose to join the forces of either the United States Army or the German ...

Half-Life 2: Deathmatch is a multiplayer first-person shooter video game developed by Valve Corporation. Released on Steam it uses many of the assets from Half-Life 2, and the same Source engine. It features unique levels, optimized for multiplayer arena play, and a few new weapons. Also included are portions of the game's source code, which were the basis for many early Source-based multiplayer modifications. The game is the successor ...

Team Fortress 2 is a team-based first-person shooter (FPS) multiplayer video game developed by Valve Corporation. It is a sequel to the original mod Team Fortress based on the Source engine. Team Fortress 2 is distributed online through the Steam system, while retail distribution was handled by Electronic Arts. Team Fortress 2 is the first of Valve's multiplayer games to provide detailed statistics for individual players.

Half-Life 2 the sequel to Half-Life, is a first-person shooter video game and a signature title in the Half-Life series. The game was developed alongside Valve's Steam software. It introduced the Source game engine and, because of Steam, is the first video game to require online product activation. Like its predecessor, Half-Life 2 is a single-player first-person shooter broken into chapters, permanently casting the player as Gordon Fre...

Portal is a first-person puzzle-platform video game developed by Valve Corporation. The game primarily comprises a series of puzzles that must be solved by teleporting the player's character and simple objects using "the Aperture Science Handheld Portal Device", a device that can create inter-spatial portals between two flat planes. In Portal, the player controls the protagonist, Chell, from a first-person perspective as she is challen...

Half-Life 2: Lost Coast is a small additional level for the first-person shooter video game Half-Life 2. Developed by Valve Software through the Steam content delivery service as a free download to owners of the Microsoft Windows version of Half-Life 2. Lost Coast serves as a technology demonstration, specifically showcasing the high dynamic range rendering implemented in the Source engine. The level was designed with a variety of appro...

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 Half-Life 2. It was developed by Valve Corporation. The game's events take place immediately after those in Half-Life 2, in and around war-torn City 17. Episode One follows scientist Gordon Freeman and his companion Alyx Vance as they fight in humanity's continuing struggle against the transhuman race known as th...

Half-Life 2: Episode Two is a first-person shooter video game developed by Valve Corporation in tandem with Episode One, the first game in the series via Valve's Steam content distribution platform. he episode was released both separately and as a part of a bundled package, The Orange Box. Episode Two gameplay consists of expansive environments, travel and reduced linear play, continuing Valve's policy of orienting each episode around a...

Portal: First Slice consists of test chambers 00-10, with a total of 11 test chambers. It was originally available on Steam for any user with an Nvidia graphics chipset. The demo was distributed along with Half-Life 2: Deathmatch, Peggle Extreme, and Half-Life 2: Lost Coast. After some time, it was eventually made available to all Steam users, before being completely removed from Steam during the "Portal is Free" marketing campaign.

Half-Life 2 the sequel to Half-Life, is a first-person shooter video game and a signature title in the Half-Life series. The game was developed alongside Valve's Steam software. It introduced the Source game engine and, because of Steam, is the first video game to require online product activation. Like its predecessor, Half-Life 2 is a single-player first-person shooter broken into chapters, permanently casting the player as Gordon Fre...

“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.”

“Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.”