2003-present V • T • E Valve Corporation Franchises: Day of Defeat | Left 4 Dead | Alien Swarm V • T • E Half-Life Half-Life (Opposing Force | Blue Shift | Decay | Source) | Half-Life 2 (Lost Coast | Episode One | Episode Two) | Half-Life: Alyx In-game entities Black Mesa | Combine | Resistance | Aperture Science | City 17 | White Forest | H.E.V. V • T • E Counter-Strike Main Games: Counter-Strike | Counter-Strike: Condition Zero | Counter-Strike: Source | Counter-Strike: Global Offensive Other Games: Counter-Strike Neo | Counter-Strike Online | Counter-Strike Online 2 | Counter-Strike Nexon: Zombies V • T • E Portal Main Games: Portal | Portal: Still Alive | Portal 2 Other Games: Bridge Constructor Portal | Portal: The Uncooperative Cake Acquisition Game | The Lab V • T • E Team Fortress Main Games: Team Fortress Classic | Team Fortress 2 Short Films: Meet the Team V • T • E Dota Main Games: Defense of the Ancients | Dota 2 Other Games: Artifact | Dota Underlords Hardware: Steam Controller | Steam Machine | Steam Link | HTC Vive | Valve Index Software: GoldSrc | The Orange Box | Source | Source Filmmaker | Steam | SteamOS | Valve Anti-Cheat Other: Campo Santo Categories: Valve Corporation Software Steam 2003 2002 Community content is available under CC-BY-SA unless otherwise noted.
