Plot: Half-Life 2: Lost Coast is an additional level for the 2004 first-person shooter video game Half-Life 2. Developed by Valve, it was released on October 27, 2005, through the Steam content delivery service as a free download to owners of the Windows version of Half-Life 2. Wikipedia
Plot: The Lab is a virtual reality video game developed by Valve and released for Windows on April 5, 2016. It uses VR technology to showcase a series of play experiences accessed through a hub room. Wikipedia
Plot: Half-Life: Blue Shift is an expansion pack for the first-person shooter video game Half-Life. It was developed by Gearbox Software with Valve and published by Sierra On-Line. Blue Shift was the second expansion for Half-Life, originally intended as part of a Dreamcast port of Half-Life. Wikipedia
Plot: Half-Life: Alyx is a 2020 virtual reality first-person shooter developed and published by Valve. Set between the events of Half-Life and Half-Life 2, players control Alyx Vance on a mission to seize a superweapon belonging to the alien Combine. Wikipedia
Plot: Half-Life 2: Episode Two is a 2007 first-person shooter game developed and published by Valve. Following Episode One, it was the second in a planned trilogy of shorter episodic games that continue the story of Half-Life 2. Wikipedia
Plot: Half-Life: Source is a direct port of the original Half-Life game to Half-Life 2's Source engine, introducing graphics and AI improvements as well as some subtle level changes.
Plot: Half-Life 2: Episode One is a 2006 first-person shooter game developed and published by Valve. Like previous Half-Life games, it combines shooting, puzzle-solving, and narrative. Players control scientist Gordon Freeman, who, alongside his companion Alyx Vance, must escape City 17 before an explosion...
Plot: Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life. The game was developed by Gearbox Software and Valve and published by Sierra On-Line for Windows on November 19, 1999. Opposing Force was the first expansion for Half-Life and was announced in April 1999. Wikipedia...
Plot: Half-Life 2: Deathmatch is a multiplayer first-person shooter video game developed by Valve. Released on Steam on November 30, 2004, it uses many of the assets from Half-Life 2 and its Source engine. It features new levels, optimized for multiplayer arena play, and a few new weapons. Wikipedia
Plot: Half-Life is a series of first-person shooter games developed and published by Valve. The games combine shooting combat, puzzles, and storytelling. The original Half-Life, Valve's first product, was released in 1998 for Windows to critical and commercial success. Wikipedia
Plot: Black Mesa is a first-person shooter game developed and published by Crowbar Collective. It is a third-party remake of Half-Life made in the Source game engine. Wikipedia