以下是官方原文
　　Valve, creators of best-selling game franchises (such as Half-Life
and Counter-Strike) and leading technologies (such as Steam and Source),
today announced Left 4 Dead 2 (L4D2), the sequel to the best-selling and
critically-acclaimed co-operative multiplayer thriller.

　　Coming exclusively to Xbox 360 and PC, L4D2 promises to set a new
benchmark for co-operative action games and become one of 2009's marquee titles.

　　"A large part of how Left 4 Dead became 2008's top-selling new IP on
Xbox 360 and the PC was the custom-tailored gameplay made possible by the
AI Director," said Gabe Newell, president and co-founder of Valve. "With
the knowledge gained from creating the original, new technology, and a
passionate team, L4D2 will set a new benchmark for cooperative action games."

　　Set for release on November 17, the title adds melee combat to enable
deeper co-operative gameplay, with items such as a chainsaw, frying pan, axe,
baseball bat, and more.

　　Introducing the AI Director 2.0, L4D's dynamic gameplay is taken to the
next level by giving the Director the ability to procedurally change weather
effects, world objects, and pathways in addition to tailoring the enemy population,
effects, and sounds to match the players' performance. The result is a unique
game session custom fitted to provide a satisfying and uniquely challenging
experience each time the game is played.

　　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.

　　Supported by a $10+ million marketing campaign, Left 4 Dead has sold
over 2.5 million retail copies since it was released in November of 2008.
Left 4 Dead 2 is targeted for release on Xbox 360 and the PC on November 17, 2009,
and will be launched worldwide with a multi-million dollar marketing campaign
across TV, Outdoor, and Online.

　　"Left 4 Dead was backed by our most aggressive advertising campaign to date,
and resulted in a top 5 showing on two platforms during holiday 2008," said Doug
Lombardi, VP of marketing at Valve. "Left 4 Dead 2 is a larger game and will be
supported with even more consumer and retail advertising programs than the original."

Left 4 Dead 2 will be featured as the cover story on PC Gamer and Official
Xbox Magazines this month.


以下為巴哈頂置文翻譯出

　　VALVE － 最暢銷遊戲（像是『戰慄時空與絕對武力』）與頂尖科技（STEAM與Source）
的製作者，今天發佈了關於惡靈勢力2（L4D2）的消息。

　　將發佈在XBOX360與PC平台上，L4D2 立下成為合作動作遊戲與2009 年標誌的新目標。

「L4D在2008年成為XBOX360與PC上最熱賣的新產品，歸功於為玩家量身訂做的AI Director。」
此話從Valve 的創辦人與總裁 Gabe Newell口中說出。「從建立出原創、新科技與熱情團隊所得
到的經驗來看，L4D2 將會為合作動作遊戲訂下新目標。」

　　預計於十一月17號發佈，且屆時將新增肉搏戰鬥來讓玩家體驗更深層的合作遊戲模式，將出現
的物品包刮『電鉅、油鍋、斧頭、球棒與其他更多的武器』。

　　藉由導入AI Director 2.0，使得電腦有能力依照狀況變換『天氣特效、地圖物件、因應對方
數量而變換的路徑、特效與符合玩家動作的音效』，L4D的動態遊戲模式將提升至另外一個境界。成
果是在每次遊玩時，不同的獨特遊戲片段都會讓玩家覺得滿足與充滿挑戰。

　　新的倖存者、特殊感染者、武器與物件，L4D2 將提供比原作還更為龐大的遊戲內容，以及更加
需要合作的戰役、對抗模式、生存模式的新地圖。

　　由千萬元以上行銷活動作為後援，L4D 在最初於2008十一月開始販售起，已經售出250 萬份零
售數量。L4D 2 預計於2009 十一月17日，於PC和XBOX360平台上販售，並且將透過電視、實體宣
傳與網路進行數百萬元行銷活動。

　　「L4D至今由我們激烈地廣告活動，而能夠在兩個平台上雙雙得到前五名的佳績。」Valve 行銷
副總裁Doug Lombardi 如是說。「L4D2 更為龐大，而且將受數量更甚於往的顧客與零售廣告活動支持。」

L4D2 本月份即將成為PC Gamer與XBOX官方雜誌的封面故事！

L4D 2 Teaser Trailer （展示影片）同時在STEAM 平台上發佈！

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