Valve announced a new set of advanced features delivered in its free publishing and development suite Steamworks, headlined by Custom Executable Generation, a complimentary technology to the already existing anti-piracy solution offered in Steamworks.

BlazBlue: Calamity Trigger, developed by Guilty Gear studio Arc System Works, is a 2D fighter featuring twelve, extraordinarily detailed, hand-drawn characters in true HD glory, each with unique “Drive” attacks that can turn the tide of battle instantly.

Simutronics announced the release of HeroEngine 2009 Vol. 1, the only realtime collaborative development platform for massively multiplayer online games and virtual worlds, making it support more than 100,000 concurrent players in a single shard.

Hellion: Mystery of the Inquisition uses the latest technology to present an outstanding reality, authentic locations and impressive combats within the 13th century. Hellion also represents an epic plot set in a lively medieval world charged with upgradeable exorcisms and uncompromising brutality according to this period.

inFamous is an open-ended, free-roaming game puts you in the shoes of Cole, an everyday guy and urban explorer, in the aftermath of a huge disaster that destroys his hometown of Empire City. As Cole, you must first learn to use new found powers and then decide how you will use them.

Windows gaming took center stage at the Game Developers Conference, as Microsoft announced new features coming to the Games for Windows Live online gaming service and community, such as anti-piracy solution, in-game marketplace, and roaming.

OnLive is a revolutionary, on demand video game platform delivering the latest and most advanced games instantly, on any TV via a sleek, inexpensive MicroConsole, or on almost any PC or Mac.

In Toy Story Mania!, players experience the fast-paced, zany fun of the Toy Story Mania! theme park attraction, which is an interactive experience requiring 3D glasses and involving rapid or quick-firing shooting galleries.

FIFA Manager 09 gives you full control over the management of a football club. You are responsible for the line-up, the tactics and the training of your team – as well as for signing the right players, improving the club facilities and the stadium.

Guitar Hero: World Tour will feature guitar, vocals, drums, the ability to create your own songs (and upload them on GHTunes), four-player on/offline co-op, and an eight-player battle of the bands multiplayer mode (4vs4).