The Sacrifice is a three-map campaign with a story that links the two games and takes some of the mystery out of the events portrayed in Valve’s previous L4D2 DLC pack, The Passing.

“The Sacrifice” is the prequel to “The Passing,” and takes place from the Left 4D Survivors’ perspective as they make their way South. We know Bill dies in “The Passing” but how and why? You can read the comic to find out the official version of events or this October 5th you can play the game to choose your own ending.

The Sacrifice is available for L4D and L4D2, and as an added bonus, the new DLC will give L4D players the new machineguns and melee weapons released in The Passing. And L4D2 owners will receive one of the original game’s most popular campaigns, No Mercy.

In NBA 2K11, players can experience what it’s like to play in Michael Jordan’s shoes! Relive 10 different legendary games from Michael Jordan’s career and replicate in NBA 2K11 what MJ did on the court, and even unlock MJ: Creating a Legend, a special mode where you get to take control of a newly drafted rookie Michael Jordan and craft your own version of Michael’s career in the NBA. Players can also experience what it’s like to be part of some of the greatest teams in NBA history as the 1985-86, 1989-90, 1990-91, 1991-92, 1994-95, 1995-96, 1996-97, and 1997-98 Chicago Bulls.

NBA 2K11 features IsoMotion Dribbling Controls, Shot Control, a deeper My Player mode, NBA Today 2.0 (which now includes a halftime show recapping not only your in-game highlights but also real NBA scores and player stats from around the league) and much more.

StarCraft II continues the epic saga of the Protoss, Terran, and Zerg. These three distinct and powerful races clash once again in the fast-paced real-time strategy sequel to the legendary original, StarCraft. Legions of veteran, upgraded, and brand-new unit types will do battle across the galaxy, as each faction struggles for survival.

StarCraft II: Wings of Liberty’s solo campaign will continue the epic saga where it left off in StarCraft: Brood War. The storyline chronicles the exploits of marshal-turned-rebel-leader Jim Raynor and features both familiar faces and new heroes. Players will be able to tailor the experience, choosing their own mission path and selecting technology and research upgrades to suit their playing style throughout the 29-mission campaign.

In addition to the solo campaign, dozens of multiplayer maps are available for competitive play through Battle.net. This improved version of the service has been built from the ground up to offer an unparalleled online play experience, with new features such as voice communication, character profiles and achievements, stat-tracking, ladders and leagues, cloud file storage, and more.

The main draw of The Passing will be the crossover that’ll occur between the survivors from the first Left 4 Dead and the new survivors in Left 4 Dead 2. But on top of that, The Passing also brings a number of other new items and gameplay modes with it as well. One is the new “Mutations” system, which Valve describes as a “series of weekly game mode events” that include modes like “Versus Reality” and “Chainsaw Massacre” — the latter giving all players chainsaws with infinite gasoline. Valve has 20 different Mutation modes planned.

Other new features include a new co-operative challenge mode, support for infected bots in Versus mode, a new golf club melee weapon, new M-60 machine gun, and a new “uncommon common” infected class…that has a little something to do with the L4D1/L4D2 crossover. Read here for some more spoilerish details on how that’ll work.

Hear the call of duty once again with this seventh entry in this blockbuster first-person shooter franchise. Call of Duty: Black Ops takes you deep behind enemy lines into the world of deniable operations as a member of an elite special forces unit engaging in covert warfare, classified operations, and explosive conflicts across the globe. With access to a variety of exclusive weaponry and equipment, your actions will tip the balance during the most dangerous time period mankind has ever known.

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Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008.

This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

You’ll play as one of four new survivors armed with a wide and devastating array of classic and upgraded weapons. In addition to firearms, you’ll also get a chance to take out some aggression on infected with a variety of carnage-creating melee weapons, from chainsaws to axes and even the deadly frying pan.

You’ll be putting these weapons to the test against (or playing as in Versus) three horrific and formidable new Special Infected. You’ll also encounter five new “uncommon” common infected, including the terrifying Mudmen.

Helping to take L4D’s frantic, action-packed gameplay to the next level is AI Director 2.0. This improved Director has the ability to procedurally change the weather you’ll fight through and the pathways you’ll take, in addition to tailoring the enemy population, effects, and sounds to match your performance. L4D2 promises a satisfying and uniquely challenging experience every time the game is played, custom-fitted to your style of play.

Featuring new Survivors, boss zombies, weapons, and items, Left 4 Dead 2 offers a much larger game than the original with more co-operative campaigns, more Versus campaigns, and maps for Survival mode available at launch.

NBA 2K10 raises the bar again with revised gameplay components, enhanced graphics, even more realistic Signature Style animations, all-new presentation elements and competitive online play — this season you won’t just play the NBA, you’ll take over!

With brand new offensive controls that enhance dribbling and post game handling, you can pull off ankle breaking Iso-Motion moves and dominate like Kobe from the perimeter to the paint. Round up your friends and build the ultimate squad, using either your created players from My Player mode or an actual NBA team, then go online and battle other Crews for bragging rights and progression points as you try to climb your way to the top of the Crew leaderboard rankings. And with NBA Today integration, all the real world matchups, news and stats are automatically streamed right into your game providing dynamic commentary and presentation elements based upon what is happening in the real NBA.