因为长度原因只准备翻译关键词句。。楼主并没有玩过汉化版本所以文中出现的任务名字都是英文

整个游戏共有55个文档和50个录像，每个文档和录像都会解释故事剧情的一部分。看懂这些可收集要素才能了解真正的故事剧情

游戏主人公Blake和妻子Lynn都是记者，前往调查一起孕妇神秘死亡的案件。Blake一开始做了一个关于Jessica的梦，Jessica是Blake小学4年级时的朋友但后来却自杀了。

突然强光袭来，直升机坠毁，Blake和妻子分散，Blake醒来后发现飞行员被剥皮吊在树上。。

Blake开始寻找Lynn，然后遇上了一伙疯子村民。。Blake开始逃跑，突然又一阵强光所有敌人都被***了。这里说明强光对村民影响很大

Blake reunites with Lynn. He wants to know what happened but she refuses to say. Her only wish is to get away from here. Over the speakers, prophet Knoth can be heard, saying that he examined Lynn’s womb and concluded she is pregnant. He announces that the child of Lynn and Blake is the antichrist (devil) and calls out his followers, the “Christians”, to find Lynn and kill her before the child is born. (Note: the villagers see themselves as good Christians but Knoth’s teachings are deluded and advocate murder and blood sacrifice. They use the symbols of Christians but their faith is closer to Satanism than Christianity).
Blake重新碰见了Lynn，问起到底发生了什么的时候Lynn拒绝回答，她只想尽快逃出这个地方。这里玩家能听见（先知？）Knoth说他检查了Lynn的子宫，Blake和Lynn的孩子是恶魔，他召集了他的信徒尝试在孩子诞生之前杀死Lynn。
如果有条件的话可以直接读英文，英文更详细更准确，本人翻译水平和中文水平都有限如果句式不通之类的请谅解

Blake and Lynn run into a Christian search party. Then the “heretics” join them. They are a different cult that opposes the Christians. The heretics kill the Christians and take Lynn away. Blake is left alone in the dark woods.
Blake escapes the remaining Christians and then there’s another flash of light. He now has his first vision (or hallucination / daydream). He’s suddenly back in the catholic school he went to in 4th grade, where his classmate Jessica committed suicide.
Blake和Lynn又撞进了另一伙人所谓heretics，他们和Knoth的信徒（所谓的基督徒Christian）敌对，这伙人杀掉了追杀Blake的基督徒然后绑走了Lynn，Blake被扔在一边。
Blake逃出其他基督徒的追杀然后又一阵强光，进入第一段幻觉 他回到了4年级的天主教学校Jessica自杀的地方

After the vision you meet a lone villager called Ethan who is friendly and wants to protect you from the crazy people. From him you learn that the woman whose murder you’re investigating was his daughter, Anna Lee. She was raped by the prophet Knoth who got her pregnant. Knoth then wanted Ethan to slit Anna’s belly and kill the child. Ethan made up some stories to give Anna time to run away. As you learnt during the initial helicopter ride the police report said she had a lot of mercury in her blood and concluded that she strangled herself to death. Her murder remains unsolved.
Blake finds shelter in the basement of Ethan’s house. He must then witness how Marta, a very hostile old hag, murders Ethan with an axe. Blake waits quietly in the basement and then escapes.
Again Blake must escape some Christian search parties until he reaches the chapel. In the chapel he encounters a man who had his eyes cut out and is strapped to a wheel. His name is Josiah. The reason why he is being tortured is because he didn’t give up the location where the heretics are hiding Lynn.
幻觉过后玩家会遇见一个名叫Ethan的友好并想保护Blake的村民，得知Blake开始想调查的那个孕妇就是Ethan的女儿Anna Lee，Anna Lee被先知Knoth强奸并怀孕后Knoth想把Anna Lee肚子撕开把孩子杀死，但是Ethan拖住了Knoth让Anna跑掉了。在游戏开始的直升机里玩家也得知了孕妇是因为血液水银含量过度并得出了孕妇让自己窒息而死的结论。孕妇的死亡仍然是个迷
Blake躲在地下室里看见Ethan被Marta老巫婆用斧子干掉然后Blake逃跑了
Blake又被基督徒追杀然后来到一个小教堂，他遇见了一个双眼失明，被捆住的男人Josiah，他被折磨的原因是他不愿意透露heretics藏Lynn的地点

Blake hides in the chapel’s confessional box. Now he witnesses Knoth and his followers torturing Mary in front of Josiah. Mary is Josiah’s yokemate (spouse). Eventually Josiah gives up the location of Lynn to stop Mary’s pain, but Knoth kills them both anyway. Blake overheard the conversation and learned that Lynn is being held by the heretics in the mines. His goal is now to get to the mines to rescue Lynn.
Blake makes his way through some other hostile areas and has a new vision of the school, this time not proceeded by the bright light. After the visions he finds himself on a hilltop. He tries to go over a broken bridge but an insect swarm comes flying at him and he falls down into the trees below. Now he goes through these dark woods and encounters Laird (a midget archer) and Nick (a bigger guy who is the archer’s mount). Laird is sitting on Nick’s shoulders and fires arrows. Blake escapes, has another school vision. After the school vision he is suddenly in the camp of Nick and Laird.
Blake藏在教堂的confessional box(忏悔箱？)里。。目睹了Knoth和信徒折磨Josiah的配偶Mary，最终Josiah说出了地点但是Knoth还是把这俩人都杀了。Blake得知了heretics把Lynn藏在了矿井里
玩家接着探索之后Blake又进入幻觉，但是这次并不是被强光袭击进入幻觉的。幻觉过后他发现自己在一个小山头，当他尝试越过断崖的时候被一群虫子袭击掉进灌木丛里。穿过灌木丛遇见了Laird（侏儒弓箭手）和Nick（一个长得大一点的人，Laird的坐骑）Laird坐在Nick肩膀上射箭，Blake逃脱，又进入幻境，幻境结束他发现自己在Nick Laird的营地里

https://tieba.baidu.com/p/5089644091?see_lz=1
突然发现了这个帖子，基本剧情都在这里可以找到，那楼主就不继续翻译剧情梗概了，接下来翻译对游戏的解释，强光，任务，孩子之类的令人费解的地方

The bright light that crashes your helicopter and shows up before school visions is coming from a radio tower / microwave relay by the lake. It emits a strong microwave signal that controls people’s minds (this is explained via a document called “Old Traveler” found at the lake from one of the scientists). That’s why everyone has gone mad (except Ethan for some reason, the guy who protects you). Below is a picture of the full document explaining it:
这里的解释部分就会很奇幻。。很多通关的玩家都会很懵逼的，因为没有收集完文档很多重要信息都不知道，所以游戏故事本身会很费解。
导致玩家幻觉的强光来源是一个无线电/微波塔，释放强微波控制人类的意识。这就是为什么所有人都和疯了一样。
Ethan是个例外。

这是关于无线电塔的文档，解释了什么心灵控制之类的信息

The brainwashing experiment is part of Murkoff Corporation’s secret program. They are the same company from the first game that reopened Mount Massive Asylum under false flag to experiment on humans. In the above document you can see the scientist referencing a bet he had with “Jenny Roland”. He means Jennifer Roland, who is known from Outlast 1 to be Murkoff Corp’s Pathologist. This proves the connection to Murkoff and the MKULTRA mind control program.
洗脑实验是Murkoff公司的一个秘密实验项目，Murkoff公司是逃生一里开巨山精神病院的那个公司。。。在楼上图里提及了一个科学家与所谓Jenny Roland的赌注，Jenny Roland就是Jennifer Roland，逃生一里的病理学家。
这里解释了Murkoff和MKULTRA心灵控制计划的联系，逃生1和2的联系

In the beginning you (Blake) are still somewhat sane. But as you get closer to the tower and spend more time in the area you lose your mind more and more, get hallucinations and weird dreams of early childhood because the microwave brainwashing signal gets stronger. Blake blames himself for Jessica’s death because he didn’t love her, didn’t protect her when she needed him (she was fooling around with him but Blake liked Lynn. He also left her alone with the bad teacher who assaulted her, even though she asked him to stay because she was scared).
故事开头Blake还是清醒的。但是人离无线电塔越近，在这个区域里呆更多时间就会开始发疯，开始出现幻觉和奇怪的关于童年的梦。Blake觉得Jessica自杀是自己的错因为Blake不爱Jessica，Jessica需要帮助的时候Blake没有保护她（幻觉里有关于这部分的解释，Blake说了自己喜欢Lynn但是Jessica还是跟Blake嘿嘿嘿，**老师骚扰Jessica的时候Jessica求Blake留下Blake也没留下）