Valve, creators of best-selling game franchises (such as Half-Life and Counter-Strike) and leading technologies (such as Steam and Source), today announced the free Portal 2 DLC titled "Perpetual Testing Initiative" will be available for the PC and Mac on May 8th. The "Perpetual Testing Initiative" allows players to easily create, share, and play Portal 2 puzzles. The Initiative comes with a si... more.

Portal 2 is available at 50% off now through Thursday at 4pm Pacific Time. Also, FREE DLC just released! Peer Review is the first DLC for Portal 2, the year's most brain-bending action-adventure game. Featuring a devious new co-op track that continues the story of Atlas, P-Body and GLaDOS, the DLC also includes both single and multiplayer challenge modes, plus leaderboards so you can compare yo... more.

Introducing the Razer Hydra, the world’s first PC gaming-grade motion sensing controllers that let you extend your natural body motion directly into the game. A breathtaking new way to play when you can intuitively reach out and interact with the virtual world in complete three dimensions, as you would in real life. With ultra-low latency and more precision the Hydra offers one-to-one t... more.

The Final Hour of Portal 2 takes you deep within the top-secret offices of Valve for an unvarnished look at the creative process behind the new video game Portal 2. Journalist Geoff Keighley was granted unprecedented “fly on the wall” access to Valve to create this staggering 15,000 word multimedia experience. From the hush-hush Portal prequel that was shelved to the last minute scramble to co... more.

The beta of the Portal 2 Authoring Tools to everyone! It's available as a free download for all owners of the PC version of Portal 2 and can be found under the "Tools" tab in Steam. The Portal 2 Authoring Tools include versions of the same tools we used to make Portal 2. They'll allow you to create your own singleplayer and co-op maps, new character skins, 3D models, sound effects, and musi... more.

Valve, creators of best-selling game franchises (such as Half-Life, Left 4 Dead, Team Fortress, and Counter-Strike) and leading technologies (such as Steam and Source), today announced the first game add-on for the year's highest rated multiplatform game, Portal 2, is in development and targeted for this summer. Portal 2 DLC #1 will offer new test chambers for players, leaderboards, challe... more.

Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas o... more.

Over the last few weeks, we've gotten quite a few enticing reasons to pre-invest in Aperture Laboratories: from the planks of tomorrow, to test-optimized bots, to the last word in pre-emptive defense, the Home Safety Turret. Today marks Aperture's fourth and final Investment Opportunity video, and if it doesn't get you reaching for your special investment wallet, you wouldn't know a can't-mis... more.

This week's reason to pre-invest in Aperture Laboratories: CEO and founder Cave Johnson's announcement that the applied sciences company is making its military-grade turret line available to consumers. Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. The single-p... more.

In this week's informational video, Aperture Science founder Cave Johnson explains why robots'll get you the biggest bang for your testing dollar. Don't wait until April 19th to get in on the ground floor. Invest in documentary game futures today! Speaking of money, invest yours today in Aperture Science. Why? Watch and find out. If you like what you're seeing, don't wait until April 19th t... more.

Valve, in partnership with Aperture Science dba Aperture Laboratories, announced today the first of four "investment opportunity" videos leading up to the April 19th release of Aperture's documentary video game Portal 2. The first video, titled "Panels", showcases one of the many lucrative products in development at the applied sciences company. Narrated by Aperture CEO and founder Cave Jo... more.

EA Partners, a division of Electronic Arts Inc. today announced an agreement with Valve to distribute Portal 2 in retail channels . Portal-2-gallery Recently named the most anticipated game of 2011 at the Spike TV Video Game Awards, and releasing worldwide in April 2011, Portal 2 will see players introduced to a host of fresh puzzles, devious new test chambers in never-before-seen areas of ... more.

Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas of the ... more.

Valve, creators of best-selling game franchises (such as Left 4 Dead, Counter-Strike and Half-Life) and leading technologies (such as Steam and Source), today announced Portal 2 for shipment this coming holiday season. Portal 2 is the sequel to 2007's Portal, which won 70 industry achievement awards. For more information, please visit www.steamgames.com... more.