As promised last week, SCEA has released a four-level playable demo for Naughty Dog's Uncharted: Drake’s Fortune. But that is not all as the weekly PSN update also features a demo for 2K Sports' College Hoops 2K8, MotorStorm Devil’s Weekend Add-On (adding a new track and 5 vehicles for $5.99), as well as the 2 Guitar Hero III songpacks mentioned earlier ($6.25). If you want to just sit back and relax, there are plenty of new game/movie trailers.

Silverfall is an RPG set in a fantasy world of magic, machines and mayhem, the choices you make during the game take you along the path of nature or technology. The addon features an updated engine with improved gfx/performance, two new races, over 50 new pieces of armor, 42 new weapons, 20 new maps, and optimized multiplayer.

The Witcher is an action RPG, inspired by games such as Dungeon Siege, Baldur’s Gate: Dark Alliance, Gothic and Neverwinter Nights, emphasizes story and character development in a vibrant world, while adding tactically-deep real-time combat. CD Projekt Co-Founder /Managing Director Michał Kiciński revealed that it is currently working on a new patch, a demo, as well as tools to create custom adventures.

World in Conflict is an RTS that delivers action and team play amidst a showdown between the Soviet Union and the US, with destructible 3D battlefields, team-based multiplayer and a focus on fast, hard-hitting battles.

Set in 1191 AD, the Third Crusade was tearing the Holy Land apart. Shrouded in secrecy and feared for their ruthlessness, you play the role of Altair, an Assassins intend to stop the hostilities by suppressing both sides of the conflict and throw the environment into chaos and shape events during this pivotal moment in history.

As promised a few months back, EA threw the switch today on a free downloaded feature called Online Team Play that will enable 10 people on 10 different consoles anywhere in the world to connect online to play a single match of FIFA 08.

Hudson's Omega Five is a next-gen, high-def. Xbox Live Arcade shooter with awe-inspiring graphics. Players fly through dangerous 3-D environments in this side-scroller and try to avoid the enemies that come at them from all sides, even from behind.

EA will donate its original genre defining city-building game SimCity to each computer in the One Laptop per Child (OLPC) initiative, a not-for-profit humanitarian effort to design, manufacture and distribute inexpensive laptops with the goal of giving every child in the world access to modern education.

Star Trek: Conquest is a blend of strategy and intense action set in “The Next Generation” era. Players take control of Federation, Klingon, Romulan, Cardassian, Dominion, and Breen forces and lead them in a campaign to control the galaxy, one planet at a time.

Medal of Honor Airborne, next-gen debut of the series, is set to redefine the series by introducing players to an entirely new way of experiencing a WWII FPS – namely the fully interactive Airborne experience.

Empire of Sports is an MMORPG built entirely around sport, designed to allow players around the world to simultaneously exist in an online universe, where their alter egos socially interact, train, compete, attend events and acquire the goods and services they need to build a parallel sporting existence.

Stranger is an RTS game, with RPG elements, set in a world, split in two parts, surface and a subterranean one, which are in a tenuous balance. A year after the previous version, Fireglow has released a new, much smaller demo.

Paradox Interactive's 4X strategy game Lost Empire: Immortals is set in space featuring six playable races, each with their own compelling storyline who battle for domination of a vast empire.

Soldier of Fortune Payback continues with the organization know as The Shop where players take on the role of a hired mercenary, blasting their way through high intensity combat situations in the world's most dangerous hot spots in the Middle East, Africa, Asia and Eastern Europe.

Sega today announced that Brain Assist, a game designed to exercise the brain while still keeping things fun, is coming to the Nintendo DS. Derived from Touch de Uno!, the classic Japanese arcade game, Brain Assist is easy to pick up and play, and is filled with a variety of mini-games to test gamers' mental ability.

King's Bounty: The Legend, previously known as Battle Lord, is an adventure game with tactical turn-based battles and role-playing elements unfolding in a rich fantasy world.

Sinking Island is a dark detective adventure story set on a tropical paradise. At a millionaire's hotel a crime is committed, and while the island seems to be sinking for unknown reasons, you, as detective Jack Norm, have to find out who did it.

Koei today announced Nobunaga's Ambition: Rise to Power, an epic historical simulation from legendary game producer Kou Shibusawa where players assume the role of Nobunaga, or of a rival warlord, in their quest to unite Japan under one rule.

Developed in Japan, Bubble Bobble Double Shot will be a respectful return to the series' roots, distilling the essence of Bubble Bobble onto the DS whilst introducing a smattering of non-intrusive additions to the classic formula.

Shadowgrounds Survivor tells the story of three survivors who join forces with the last remaining human resistance in the heated battle against the ongoing alien onslaught.

SEGA is developing the video game adaptation of the theatrical movie release, The Golden Compass, based on the first book in the award-winning His Dark Materials trilogy, by British author Philip Pullman.

In The Simpsons Game, Homer, Marge, Bart, and Lisa use exciting, all-new powers to save the world from rising chaos. To help the Simpsons, gamers at home must journey through all of Springfield (as well as vast worlds beyond!), vanquish an amazing array of villains, and fight their way through parodies of multiple popular games.

Experience112 is a new 3D graphic adventure where you guide Léa Nichols, sole survivor on board of an infected cargo ship, escape by means of the surveillance system. Monitor, control and guide her movement towards freedom, but above all, the truth. Micro Applications has released the first patch, fixing various bugs and crashes, and optimizing the UI.

Disgaea: Afternoon of Darkness is a strategy/RPG game, featuring a multiplayer mode, enabling players to pit their armies against each other, a new Geo Cube feature, bringing a brand new element of strategy to the game, and spicing up PvP battles. A new story mode has also been added, allowing players to play as their favorite vassal.

Guitar Hero fans will channel their inner rock god, experience new features and explosive content including a new multiplayer action-inspired battle mode, grueling boss battles, a bevy of exclusive unlockable content and authentic rock venues. Revealed last week, Activision has released the first 2 downloadable song packs (500 MS points), Foo Fighters and Velvet Revolver.