Valve Corporation, Half-Life Wiki

Valve Corporation, often referred to as Valve Software or simply, Valve, and stylized as VALVE is an American video game and digital distribution developer based in Bellevue, Washington. Their first game, Half-Life, was highly acclaimed, and since they have gone on to develop more franchises, including Left 4 Dead, Team Fortress, Portal, Day of Defeat, as well as, Counter-Strike, all of which are first-person shooters. Valve also developed the popular Steam content delivery client. Steam is now

Jeff, Half-Life Wiki

Half-Life: Blue Shift, Half-Life Wiki

Alyx Vance, Half-Life Wiki

Half-Life, Half-Life Wiki

Valve has no more 'Half-Life' writers left

Half-Life: Alyx storyline, Half-Life Wiki

Half-Life 2 Soundtrack, Half-Life Wiki

Half-Life Deathmatch: Source, Half-Life Wiki

Half-Life: Source - Valve Developer Community

Portal 2, Half-Life Wiki

Tripod Hopper, Half-Life Wiki

Half-Life 2: Deathmatch - Combine OverWiki, the original Half-Life

Half-Life (video game) - Wikipedia

Half-Life (series) - Wikipedia

Half-Life 2: Lost Coast - Valve Developer Community