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《求生之路2》（Left 4 Dead 2）是2008年由维尔福软件公司开发、以丧尸为主题的恐怖生存类游戏《求生之路》的续集，游戏初次于2009年电玩E3展亮相，并已在2009年11月18日于PC以及Xbox 360平台上发行。
Setting 故事背景
- Like its predecessor, Left 4 Dead is set shortly after a worldwide pandemic of an infectious disease that rapidly transforms humans into zombie-like creatures and mutated forms that demonstrate extreme aggression towards non-infected (much like the infected in 28 Days Later). Few humans are immune to the disease, still carrying the infection but showing no symptoms. The Civil Emergency and Defense Agency (CEDA) and the U.S. military create safe zones to attempt to evacuate as many American survivors as possible. Left 4 Dead 2 introduces four new survivors—Nick, Ellis, Coach, and Rochelle, who are immune to the disease and have individual back stories that are provided through character dialogue. Like the first game, the five campaigns in Left 4 Dead 2 are set across a story arc,[11] set in the Southern United States, which starts in Savannah, Georgia, and ends in New Orleans, Louisiana.[7][8] The four survivors have to fight their way through the hordes of infected, using safehouses along the way to rest and recuperate in order to reach extraction points.
- 就如前作一样，求生之路一种具有传染性的疾病感染了很多人类，让人类变成丧尸和突变的特殊感染者（很像电影《惊变28天》）。几乎没有人对疾病免疫，也没有任何带感染的症状。紧急事件预防中心（游戏里一个机构，CEDA，可以从安全室里的信息找到）和美国军方建立安全地区尽可能疏散美国的幸存者。求生之路2出场了四位新的生还者——Nick,Ellis,Coach和Rohelle，他们对疾病免疫，通过他们的对话可以了解到他们各有各独特的身份背景。求生之路2的故事设置在美国南方佐治亚州的萨凡纳开始，结局于路易斯安那州的新奥尔良。四位生还者一路穿过感染者的包围，沿着安全室的路线前行以便到达撤离点。
Story 故事
- After climbing to the roof of a hotel in Savannah to be rescued, the survivors find themselves abandoned by rescue helicopters, and make their way to the local mall, after hearing word of a second CEDA evacuation point there. After a brief encounter with a gun store owner, Whitaker (voiced by Dayton Callie)the survivors discover that the mall is overrun and all of the CEDA agents have either been killed or have become infected themselves. The four then use a stock car to bust out of the mall and travel towards New Orleans ("Dead Center"). On their way there, they encounter the original survivors featured in Left 4 Dead at the portside town of Rayford ("The Passing"), who allow them to cross the bridge by first filling up its generator with gasoline. Later, they find the highway completely blocked by wrecked vehicles and are forced to travel through a still-operating but abandoned amusement park, and start a huge fireworks-and-lights show used by the rock band, The Midnight Riders, in order to attract the attention of a helicopter pilot ("Dark Carnival").
- 在生还者在萨凡纳爬完到酒店楼顶求救之后，他们发现前来救援的直升机并没有就他们，于是他们去了当地超市，在那里他们听到第二个CEDA的疏散点，他们在与武器店老板相遇之后，发现超级商场已被感染者侵占，CEDA的人要么被杀害，要么被感染。最后四位生还者用赛车逃出超级商场前往新奥尔良。（死亡中心）
- After being rescued, they realize their pilot has been infected. Nick is forced to kill him, which causes the helicopter to crash into a bayou ("Swamp Fever"). They find brief shelter in a plantation mansion and make radio contact with a Cajun boat captain named Virgil who can get them to rescue, but he needs additional diesel fuel to make it to New Orleans. Amid a torrential downpour, the survivors go ashore, make their way through an abandoned sugar mill to a gas station to get fuel supplies, and return to the boat ("Hard Rain"). Virgil takes them to New Orleans where the military appears to be evacuating civilians. The group head to the extraction point, but discover that the military is actually bombing helicopter leaving the city before the bridge is destroyed by an air strike. Judging from their dialogue, the military pilots suspect that the survivors are "carriers" ("The Parish"). Although the survivors' fate after evacuation is left unexplained after the bridge finale, Chet Faliszek, the game's writer, said that the military is taking survivors to cruise ships in an attempt to escape the worldwide infection.
- 在生还者到达雷福德城镇时，他们遇到了一代的四位主人公（消逝）。一代生还者让他们给发电机加油以降下桥梁通过该处区域，后来，他们来到高速公路才发现高速公路已被失事的车辆堵塞了。四位生还者被迫穿过一个仍然运作但被一起的游乐园，然后启动一个烟花装置吸引一个直升机飞行员的注意（黑色狂欢节）。生还者被救之后发现飞行员受到感染，尼克被迫杀掉他，导致直升机坠落在一片沼泽地上（沼泽激战）。他们找到一个暂时的种植园庇护所，联系到一个叫维吉尔的船长，但船长需要柴油去新奥尔良，这时下起了倾盆大雨，生还者到岸上穿过一个被遗弃的糖厂到加油站加油，最后回到船上。（暴风骤雨）。维吉尔带他们到新奥尔良，军方看起来好像在疏散平民，其实是在桥被空炸之前轰炸城市。根据他们的对话可以判断出，军方是在怀疑四位生还者是病毒的携带者的（教区）。虽然故事中对疏散行动的突然撤离没给解释，但是费里斯诗克（游戏制作人）解释说军方是用潜艇带着四位生还者逃离感染区域的。
内容
图例
官方地图/战役
求生之路2有以下官方战役和地图:
死亡中心
地图:
短暂时刻（以前版本又作“消逝”）
地图:
黑色嘉年华
地图:
沼泽激战
地图:
暴风骤雨
地图:
教区
地图:
牺牲
地图:
毫不留情
地图:
坠机险途
地图：
死亡丧钟
地图：
寂静时分
地图:
血腥收获
地图：
刺骨寒溪
地图：
临死一搏
地图：
另见
外部链接
