Combining over 10 years of experience, building upon the strength of its predecessors, and set in the most detailed environment of the series to date, Arma 3 offers gamers radical engine improvements and a unique sandbox-style military gameplay experience.

Powered by Unreal Engine 3, Painkiller Hell & Damnation re-creates the sensations and hardcore gameplay of the original Painkiller, which won praise for its fast, unique gameplay.

Valve announced the launch of Steam Guides, a new capability of the platform that allows players to create and/or find guides for their favorite games or Software titles on Steam.

Gamers will have a final opportunity to get their favorite games on Steam.  A select number of the most sought-after titles from the Steam Holiday Sale will reprise their biggest discounts for two additional days.  The Encore Weekend begins at 10am PST on January 5^th (Saturday) and runs until 10am PST on January 7^th (Monday).

A Valley Without Wind 2 brings a vast platforming adventure together with a compelling turn-based strategy game - all within a living, breathing world full of danger and surprises.

Valve introduced the Steam Community Market, now in Beta with Team Fortress 2, allowing players to buy and sell in-game items via Steam.

Valve announced the public release of Big Picture, Steam's new mode that lets gamers access all of their favorite Steam games on a television from the comfort of their sofa.

Bridge Constructor allows players to step into the work boots of a bridge-building engineer as they try to build different bridges across an array of challenging valleys, dangerous canyons, city streets and raging rivers.

The Steam Autumn Sale begins today and runs through Monday, November 26th, 2012. The Autumn Sale will feature Daily Deals and Flash Sales along with straight discounts.

Valve revealed November 30th as the target date for announcing the next set of titles to launch via Steam Greenlight.

Stealth Bastard Deluxe is a fast-paced sneaking game in which players must escape a facility full of fiendishly gory insta-death traps.

As one of the first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Valve announced the first set of Software titles are heading to Steam, marking a major expansion to the platform most commonly known as a destination for PC and Mac games.

Making its debut in English, Ys Origin is a Japanese action RPG and the first game in the series not to revolve around the adventures of Adol Christin.

Toki Tori 2 will see Two Tribes' poultry mascot character return in a completely new adventure, developed from the ground up for today's players and technology.

GameStop announced the nationwide availability of the Steam Wallet at all U.S. GameStop locations.

As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Endless Space is a 4X turn-based strategy game with real-time space combats.

The Adventures of Shuggy is a retro-styled 2D puzzle-platforming goodness with a cracking variety of different mechanics and ingenious puzzles.

XSEED Games announced that it will be bringing Nihon Falcom's RPGs Ys: The Oath in Felghana and Ys Origin to PC on Steam.

Payday: The Heist is an action-filled first person shooter that lets you take on the role of a hardened career criminal executing intense, dynamic heists in constant pursuit of the next "big score."

Borderlands 2 is the sequel to the ultimate four-player Role-Playing Shooter loot fest. Combining invention and evolution, Borderlands 2 features all new characters, skills, environments, enemies, weapons and equipment, which come together in an ambitiously crafted story.

PixelJunk Eden is a platform game where the player feels like a small insect seeing a garden for the first time. Within this evolving and vibrant 2D plant environment, the player leaps and swings between lush plants, smashing into approaching enemies and navigating around the undergrowth to gather treasures.

Alan Wake, the game's protagonist, is a bestselling horror writer, who writes a novel about his darkest nightmares. In the game, those nightmares come true.