S.T.A.L.K.E.R.: Clear Sky is a survival FPS game based on a 'what-if' scenario of the second Chernobyl Nuclear Power Plant accident. The game is created as a warning to mankind against mindless play with technologies.

In Mass Effect you set out on an adventure to save the galaxy from imminent destruction. Wrought with treachery, heroism, difficult decisions and a universe filled with unique and colorful species, Mass Effect delivers a truly compelling storyline. Project Manager Corey Andruko and Lead Technical Designer Dusty Everman will be introducing the sequel at GDC 09 during their "The Iterative Level Design Process of Bioware's Mass Effect 2" panel duscussion.

With customizable ships and characters from the Klingon Empire and United Federation of Planets, ground, space and shipboard gameplay and unique options for player-generated content set in the Star Trek universe, Star Trek Online is the MMOG that allows you to boldly go where no one has gone before!

Xbox Live Primetime is a channel on the New Xbox Experience, a new generation of games and entertainment experiences, a virtual game show stage where content is always fresh; play is global, live and massively multiplayer; and prizes are plentiful. Originally scheduled to launch fall 2008, it was delayed late last year until spring, which has now been confirmed by Microsoft at CES.

Shaun White Snowboarding, powered by the Assassin's Creed engine, allows players to enter a world of total freedom, where they can create their own experience and choose how, where, and with whom they want to ride. Head on over to XBL if you want to get the Glam Pack (400 MS Points/$5) and don out your character with new pants, boards and jackets.

At the CES 09 in Las Vegas, Microsoft announced Kodu, an Xbox Live community pick-up-and-create game where anyone can build their own unique world in just minutes using a simple image-based creator menu that makes game creation simple for anyone, from ages seven to 70.

Sending out invites to a press event, EA confirmed the next Spore addon will be called Spore: Galactic Adventures. Gamers will experience deeper Space stage gameplay when the expansion launches in March 2009. For the first time, players' space faring creatures will be able to beam down from their spaceships to explore new planets and earn rewards for completing challenging missions.

Monster Hunter is an online action game originally released on the PS2 in 2004, offering gamers the challenge of exploring vastly detailed environments confronting mammoth creatures and completing the numerous quests that await them. Capcom is porting the game to the Wii, adding a 16/9 mode and multiplayer.

Supreme Ruler 2020 is a strategic and tactical geo-political game where direct control of the military and the policies of a nation becomes the key to survival. The Global Crisis add-on adds new single- and multiplayer maps, new sandbox map, improved UI/AI/graphics, and plenty more.

Halo Wars is a strategy game based on the Halo universe where players will command armies of familiar and new UNSC units in its initial encounters against the Covenant, an alien coalition threatening to obliterate mankind. At CES Microsoft's Robbie Bach revealed that a demo for Ensemble Studios' RTS Halo Wars will be available on Xbox Live Feb. 5, 2009.