Valve, known for Half-Life, Counter-Strike and its digital delivery system Steam, announces that Steamworks, a complete suite of publishing and development tools - ranging from copy protection to social networking services to server browsing - is now available free of charge to developers and publishers worldwide.

Chair Entertainment and bestselling author Orson Scott Card announced their partnership to create the first-ever video games inspired by the legendary "Battle Room," featured in the popular science fiction novel, Ender's Game.

Beltion: Beyond Ritual is Rostok-Games' alternative fantasy RPG, in development since 2004. Beltion allows the player a freeform gameplay with a mix of fantasy and historical reality of medieval Europe.

While the highly anticipated award-winning Wireless Nunchuk for Wii is a brand-new standalone product, the Cord-Free wireless adapter for Wii Nunchuk differentiates from its sibling by converting your standard wired Nunchuk into a wireless peripheral.

Sins of a Solar Empire is a real-time space strategy title under development at Ironclad Games. Unfolding the fate of three unique factions, Sins of a Solar Empire is the first chapter in an epic science fiction saga.

War Leaders: Clash of Nations will expand upon the RTS genre by placing gamers in the roles of the major leaders of WWII, including Roosevelt, Churchill and Stalin. Political, diplomatic and economic decision making will be key to success, while sound tactical strategies will ensure victory on the battlefield.

Cabal Online, a 3rd person 3D MMORPG that builds on over a decade of experience with massive network traffic management to deliver graphically vivid world of non-stop hack & slash action. The U.S. open beta testing period for CABAL ONLINE begins Feb. 1, 2008 until the game's official launch on Feb. 21, 2008.

Ubisoft released the Ghost Recon Advanced Warfighter 2 Co-op Collection, a new downloadable content package with an all-new co-op campaign, achievements, and a total of nine maps, seven inspired by classic maps from Ghost Recon and two that are totally brand new. A free more guns pack is also available adding 7 new single-player weapons.

Schizoid, the first Xbox LIVE Arcade title built using XNA Game Studio Express, is a co-op action game where teamwork equals survival and players must team up to protect each other from a seemingly endless stream of glowing enemies.

Sacred 2 is a action-oriented deep fantasy RPG where players are immersed in an epic journey through the medieval-like kingdom of Ancaria featuring pitched battles and a wide range of enticing quests.

With the Guild Wars Bonus Mission Pack ($9.99/€8.99/£5.99), you play through four pivotal moments in Guild Wars history and earn rare weapon rewards—some of the best-looking gear in the game! Gather unique rewards as you play a key figure in the Battle of Jahai and go up against Palawa Joko and his undead army, bear witness to events in the violent Tengu Wars, discover what became of Gwen after the Charr invaded her home, and the Searing destroyed everything she'd ever known.

In Persona 3, you assume the role of a high school student, who was orphaned as a young boy, and has recently transferred to Gekkoukan High School. Only days after he arrives at the school dorm, he is attacked by a Shadow. Under the supervision of school chairman Shuji Ikutsuki, he joins his new friends in confronting this evil threat…

Crytek will demonstrate their CryENGINE 2 game development middleware and their Sandbox 2 game editor at this year's Game Developer Conference, for the first time running on multiple hardware platforms such as the PS3 and Xbox 360.

Lighthouse Interactive and developer Kerberos Productions announce Sword of the Stars: Collector's Edition, which includes the original game, the Born of Blood add-on (never released to retail in Canada/US), the first ever Sword of the Stars novella The Deacon's Tale by renowned sci-fi writer Arrin Dembo and a bonus CD.

Staying true to its early vision, NetDevil has improved upon the original Jumpgate in every way, with a complete graphics update, and the integration of advanced AI features to ensure unpredictable and compelling situations.

Hellgate: London is an immersive first-person perspective RPG with a completely randomized world that offers a unique experience every time you play, introducing a demon-ridden place where the last survivors of the human race must meld science and magic to survive. Shortly after the recent v1.0/Stonehenge patch, Flagship is already working on the next v1.1 update.

Crisis Core: Final Fantasy VII takes fans on an exciting journey through the origin of the FFVII saga in an all-new action-packed experience, featuring inspiring visuals, full 16:9 widescreen presentation and an engaging battle system.

Rock Band allows you to perform famous rock music with your friends as a virtual band using drum, bass/lead guitar and vocals, as well as online. Harmonix released three Progressive Tracks: Siva by Smashing Pumpkins, a cover of Rush's Working Man, and Ten Speed (Of God's Blood and Burial) as made famous by Coheed and Cambria. 160 Microsoft points each, expected on PSN later this week.

Another day, another batch of games shipped to stores. Instead of giving them all their own posts, we grouped them, and so far there are announcements for:

• Pursuit Force: Extreme Justice (PSP)
• Bomberman Land (PSP/Wii) & Bomberman Land Touch! 2 (NDS)
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  We will update this throughout the day when new announcements become available. Read more for details ...