X³: Terran Conflict is a new stand-alone game set in the universe of X³. It is the culmination of the X trilogy, with a grand finale that takes us all the way back to Earth's own solar system. Fans can now pre-order the game on Steam, while World of Goo, a physics-based puzzle/construction game, will be available on Oct. 13, 2008.

Sports Interactive's long running sports simulation franchise is getting a new installment with Football Manager 2009, known in North America as Worldwide Soccer Manager 2009, which is finally making the move to 3D with a new match engine.

Pyroblazer is a futuristic combat racing game set amidst the awe-inspiring locations of New Apeiron, where players get the opportunity to race through a multitude of environments using a wide selection of anti-gravity craft known as Blazers.

The first five MODs to ship on steam will be Age of Chivalry, D.I.P.R.I.P., Insurgency, Synergy, and Zombie Panic. As always, owners of any Source game will be able to download and play all of these MODs for free." Mods hosted on Steam will also use Steamworks for stat tracking an other community integration. Once installed, these MODs will appear in your "My Games" list and will receive automatic updates just like other games on Steam.

Valve let us know that every Rockstar game and games pack is currently available for a 50% savings, including the classic Grand Theft Auto and Max Payne games, but only this weekend, so have at it while they're cheap.

More brash and aggressive than his Delta Force squadmate Nomad, you'll experience Psycho’s parallel story during the events of the original, finding that life on the other side of the island is even more intense and explosive than you could have imagined. Crysis Warhead is now available via Steam in North America, the rest of the world tomorrow.

More brash and aggressive than his Delta Force squadmate Nomad, you'll experience Psycho’s parallel story during the events of the original, finding that life on the other side of the island is even more intense and explosive than you could have imagined. Crysis Warhead will be available for pre-purchase this weekend, and expected to be released in mid September.

This weekend only on Steam, id Software games are 50% off. This includes the id Super Pack for only $34.99 (over $200 worth of games). Or take 50% off individual titles such as Doom, Quake, Wolfenstein, Commander Keen, Heretic, and Hexen. Offer ends Monday, September 8.

Age of Conan is an Online Action RPG, mixing a deep, story-driven single-player experience and a massive and brutal multiplayer end-game that brings forth the ultimate representation of the Age of Conan.

Five games from the legendary X-COM series are now available via Steam. The games (UFO Defense, Apocalypse, Interceptor, Enforcer) are being offered for an amazing $4.99 per title, or just $14.99 for the set of five -- with an additional 10% savings offered during the first week of availability.

Oddworld Inhabitant's classic action adventure titles Oddworld: Abe's Oddysee and Abe's Exoddus, ported from PS2 to PC by Digital Dialect, are now available via Steam, Valve's digital delivery service. The individual titles are available for $9.99, and a combo "Oddworld Pack" is available for just $14.99. To celebrate the launch, an additional 10% off these prices until Sept 4.

Bionic Commando Rearmed is a makeover of the classic 8-bit game released 20 years ago, but with updated visuals, new weapons, online rankings, a reworked musical score and the addition of a 2-player co-op mode. Although previously announced, Capcom revealed that it could not come to an agreement with Valve, so Bionic Commando Rearmed will not be available on Steam.

Savage 2: A Tortured Soul is an FPS/RPG featuring expansive environments, an entirely enhanced combat system, and gameplay elements that will catapult it beyond its prequel. From August 1st-3rd, Savage 2 is being sold on Steam for the record low price of $9.99, a $20 discount from its original price. Savage 2 is also scheduled to receive a visual upgrade early next week, with bloom and refraction support being added to the engine.

BioShock will forever change the expectations for the FPS going beyond run and gun corridors, monster-closet AIs and static worlds, creating a living, unique and unpredictable FPS experience. In case you have not caught up with one of the best games of 2007, now is your chance to do it on the cheap, until July 27 Valve's giving it away for $14.99 on Steam.

Children of the Nile: Enhanced Edition is the updated version of Tilted Mill's city building simulation/strategy gameputting you in charge of your civilization's well being, development and evolution. The new version adds new content, support for Vista, plus a host of user interface and user experience enhancements.

Gamecock has signed an agreement with Valve to launch its titles on Steam, starting with Firefly Studios' Stronghold Crusader Extreme and Insecticide Part 1, followed later this year by Insecticide Parts 2, Velvet Assassin, and Legendary.

Meridian4 announced that Buka's catalogue of games is rolling out over the Internet, with many titles available at your favorite digital distribution channel. Titles including Battle Mages, Battle Mages - Sign of Darkness, Operation Matriarchy, Entente: WWI Battlefields and just recently, Pacific Storm became available on Steam. Purchase it before July 1, save 20% off $19.99.

SimBin celebrates its five-year anniversary by giving away "Andy Priaulx Crown Place Race Way" on Steam, which includes a brand-new island track and new cars from triple-World Champion Andy Priaulx in his BMW 320si from WTCC and Fabrizio Giovanardi in his Vauxhall Vectra VXR from the BTCC.

Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness, will be a comic adventure game, the first chapter of the planned episodic series which will feature characters from Penny Arcade, including the well-known Gabe and Tycho. In celebration, Episode One has been enhanced with achievements for Steam purchasers.

MumboJumbo Games has signed an agreement with Valve to launch its popular casual games on Steam, starting with the popular Luxor series as well as "The Office." During the first week of availability, all MumboJumbo games are 10% off the standard prices.

Valve announced that its digital delivery service Steam is getting a big upgrade in the near future. Currently it allows you to access your games from any computer but with Steam Cloud you will also be able to store & retrieve game data such as save games, keyboard configurations, game settings, and eventually even screens and movies, unlimited & free. Steam Cloud will first come to the Half-Life titles, CounterStrike, Team Fortress 2, as well as the upcoming Left 4 Dead, and eventually become part of Steamworks. Other features will be driver updates, calendar, system spec checker, events, localized pricing, etc..

Trials 2 Second Edition is a motorcycle game that emphasizes balance, skill and control over speed. You, as the player, try to tackle indoor obstacle tracks with minimum faults, as fast as possible. The tracks consist of logs, truck tires, horizontal ladders, metal ramps, jumps over concrete pipes, scaffoldings reaching staggering heights, etc.

blurredVision's Chaos Theory is an innovative puzzle game, that offers achievements as gamers play through a mix of arcade-like dexterity tests and challenging puzzle elements, packed into an atmospheric environment.

Gumboy Tournament is an arcade game that combines single player, multiplayer and team-match – all in one. Once again the player can explore many fantasy levels, great graphics, a lot of environment interaction and light and particle effects.

Everyday Shooter is an album of games exploring the expressive power of abstract shooters. Dissolute sounds of destruction are replaced with guitar riffs harmonizing over an all-guitar soundtrack, while modulating shapes celebrate the flowing beauty of geometry.