Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community. 

Bringing the legendary war between two of science-fiction's most popular characters to FPS fans, AvP delivers three outstanding single player campaigns and provides untold hours of unique 3-way multiplayer gaming. 

In the game where every detail counts, players are bound by Rules of Engagement (ROE) and gain experience as they navigate challenges in team-based, multiplayer, force-on-force operations. 

In Battlefield 3, players step into the role of the elite U.S. Marines where they will experience heart-pounding single player missions and competitive multiplayer. 

Battlefield Bad Company™ 2 brings the spectacular Battlefield gameplay to the forefront of next-gen consoles and PC... 

With its addictive action, frantic first-person shooter combat, massive arsenal of weaponry, RPG elements and four-player co-op, Borderlands is a breakthrough experience that challenges all the conventions of modern shooters. 

As Grayson Hunt, players wield an arsenal of over-the-top combat moves and outrageously large guns that feed into distinct ‘skillshot’ system producing unprecedented levels of frantic gameplay and yell-inducing satisfaction. 

The new action-thriller from the award-winning team at Infinity Ward, the creators of the Call of Duty® series, delivers the most intense and cinematic action experience ever. 

The biggest first-person action series of all time and the follow-up to last year’s blockbuster Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops. 

The most-anticipated game of the year and the sequel to the best-selling first-person action game of all time, Modern Warfare 2 continues the gripping and heart-racing action as players face off against a new threat... 

In the world’s darkest hour, are you willing to do what is necessary? 

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. 

CS: GO features new maps, characters, and weapons and delivers updated version of classic CS content (de_dust, etc.). 

A team of US scientists makes a frightening discovery on an island in the South China Sea. All contact with the team is lost when the North Korean Government quickly seals off the area. 

It’s 2023, terrifying alien invaders stalk the New York City streets. Only you can prevail, wielding the supersoldier enhancements of the Nanosuit 2. 

Dead Space begins when a massive mining ship, the USG Ishimura, comes in contact with a mysterious alien artifact and suddenly loses its communications with Earth. 

In Dead Space™ 2, you join Isaac Clarke, the Systems Engineer from Dead Space, as he wakes up three years after the horrific events on the USG Ishimura. 

You play Adam Jensen, a security specialist, handpicked to oversee the defense of one of America’s most experimental biotechnology firms. 

Science has unlocked the gates to the unknown, and now only one man stands between Hell and Earth. 

The gripping expansion pack for DOOM 3 takes you even further into the DOOM universe.