Valve's debut title, Half-Life, was released in 1998. Since then, we've released dozens of titles that changed the world (and one that didn't). Today, millions of people play our games every day.

Artifact November 28
A collaboration between legendary game designer Richard Garfield and Valve, Artifact offers the deepest gameplay and the highest-fidelity experience ever seen in a trading card game.
Steam Gift Cards May 1, 2016
Give the gift of games through Steam Wallet Cards to your friends, family, or enemies. You can buy Steam Gift Cards in a variety of denominations. With Steam Gift Cards, you can add money to your Steam Wallet and enjoy all of your favorite PC, Mac, and Linux games.
The Lab April 5, 2016
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
Dota 2 July 9, 2013
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover.
Counter-Strike: Global Offensive August 21, 2012
Counter-Strike: Global Offensive (CS: GO) expands upon the team-based action gameplay that it pioneered when it was launched 19 years ago. CS: GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
Portal 2 April 18, 2011
Physics puzzle game with a snarky robot narrator
Alien Swarm July 19, 2010
Co-operative multiplayer game and complete code base available for free.
Day of Defeat: Source July 12, 2010
Valve's WWII Multiplayer Classic - Now available for Mac.
Left 4 Dead 2 November 16, 2009
Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans
Left 4 Dead November 17, 2008
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.
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