Valve

Valve is an entertainment software and technology company founded in 1996. In addition to creating several of the world's most award-winning games, Valve is also a developer of leading-edge technologies including the Source game engine and Steam, the premier online gaming platform.

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Half-Life 2
Paid
From canals to citadel
Windows
Team Fortress 2
Free
Team Fortress 2: Timeless Free-to-Play Combat
Windows
Counter Strike: Source
Paid
Counter-Strike: Source: Classic Teamplay, Modern Engine
Windows
Steam
Free
Steam: The Ultimate PC Gaming Platform
Windows
SteamOS Custom
Free
Combine the rock-solid architecture of Linux with a gaming experience built for the big screen.
Linux
Steam Chat
Free
Take your Steam friends, groups, and conversations with you wherever you go.
Android
SteamOS Default
Free
Combine the rock-solid architecture of Linux with a gaming experience built for the big screen.
Linux
Half-Life 2: Episode One
Paid
Half-Life 2: Episode One Battle for City 17
Windows
Half-Life Complete
Paid
Valve's Half-Life Franchise: A Definitive Collection
Windows
Counter Strike: Global Offensive
Paid
CS: GO Expands Classic Team Action Gaming
Windows
RoboBlitz demo
Free
RoboBlitz: Humorous Physics Action Adventure
Windows
Source Filmmaker
Free
Source Filmmaker: Create Movies in the Source Engine
Windows
Valve Complete Pack
Paid
Valve's Ultimate Game Bundle Delivers Immense Value
Windows
Steam Mobile
Free
Comprehensive App for Gamers on iPhone
iOS
Steam
Free
Play, connect, and create various content.
Mac
Dota 2
Free
Dota: Deep Strategy Meets Stunning Visuals
Windows
Portal
Paid
Solve physical puzzles and challenges by opening portals to maneuvering objects through space.
Windows
Half-Life 2: Episode Two Research and Development Mod
Free
Half-Life 2 Mod Focuses on Puzzles, Gravity Gun
Windows
Half-Life 2
Paid
Half-Life 2: A Gripping Sci-Fi Shooter Adventure
Windows
Alien Swarm
Free
Team up with your friends and hunt down the bugs with squad-level tactics.
Windows
Gunman Chronicles Datacore map
Free
Datacore Map Added to Gunman Chronicles
Windows
Left 4 Dead 2
Paid
Left 4 Dead 2: Dynamic Zombie Co-op FPS Action
Windows
Counter-Strike Condition Zero
Paid
Counter-Strike: Condition Zero Offers Extensive Single and Multiplayer Content
Windows