Clash in the Clouds (+195G)
请参考:
http://game.entertainment14.com/2013/08/dlc_2.html
http://forum.gamer.com.tw/C.php?bsn=07829&snA=1203&tnum=1&subbsn=6
有4张持久战地图，每张地图15波
每波结束传送到休息室准备，中央贩卖机会掉落升级药水跟装备
刚开始不用强求每波挑战都要解开，错过的话就继续完成波数
等能力提升+拿到装备后，挑战会比较容易解开
休息室所升级的项目，在返回大厅时应该会自动存盘(注意右上角)
或是在大厅的左侧通道选择save progress手动储存进度
持久战中死亡可选择1.接关(该波挑战直接失败)、2.从第1波开始、3.返回游戏大厅
或是事先购买重生机会，费用500元(一扇布克侦探社的门)可以直接复活1次
按START->RESTART CHECKPOINT，会加载上次在大厅的进度，请注意!
1.Friendly Skies 15G
Defeated all waves in The OPS Zeal.
在The OPS Zeal地图完成15波持久战
2.Duke or Dimwit? 15G
Defeated all waves in Duke and Dimwit Theater.
在Duke and Dimwit Theater地图完成15波持久战
3.Rooftop Ruffian 15G
Defeated all waves in Raven's Dome.
在Raven's Dome地图完成15波持久战
4.Hand of the Prophet 30G
Defeated all waves in Emporia Arcade.
在Emporia Arcade地图完成15波持久战
5.Museum Curator 15G
In CitC, unlocked all Gallery items.
购买所有画廊物品，总花费为24400元
6.Sergeant-at-Arms 15G
In CitC, got a kill with each weapon and vigor (except Bucking Bronco).
使用所有武器&能力杀敌，Bucking Bronco除外
Undertow能力杀敌，请将敌人推去撞墙(推落地图外不算数)
要注意有一项武器是机械爱国者掉落的"格林机关枪"
可以在The OPS Zeal地图11波遇到，其他地图也会出现
https://www.youtube.com/watch?v=NkSLSpQhlko
7.Rope-a-Dope 15G
In CitC, knocked an enemy off the city with Undertow,
then rescued him, then knocked him off again.
使用Undertow将敌人击出平台，接着拉回，然后再击飞一次
https://www.youtube.com/watch?v=w3tNaAYLRV8
8.The Ol' One-Two 15G
In CitC, used all eight different vigor combos to
deliver the killing blow on an enemy.
使用8种能力组合攻击，不用一口气完成
‧ Possession and Shock Jockey
‧ Possession and Devil's Kiss
‧ Devil's Kiss and Charge
‧ Murder of Crows and Devil's Kiss
‧ Murder of Crows and Shock Jockey
‧ Bucking Bronco and Devil's Kiss
‧ Bucking Bronco and Charge
‧ Undertow and Shock Jockey
https://www.youtube.com/watch?v=ktglRERmqGI
9.Missile Defense System 30G
In CitC, killed an enemy with splash damage
by shooting a rocket out of the air.
利用击毁飞行中的火箭，让敌人死亡
可以在OPS Zeal地图第6波解，其他地图也行
https://www.youtube.com/watch?v=zlvAiuKQy9k
10.Blue Ribbon Champ 30G
In CitC, completed all Blue Ribbon Challenges.
完成所有蓝丝带挑战，总共60个(15波x4张地图)
关卡告示牌会标示已完成的蓝丝带数量，不用重复挑战
挑战解说
http://game.entertainment14.com/2013/08/dlc_2.html
狂热作战行动(The O.P.S Zeal)
https://www.youtube.com/watch?v=R_8-lPYu-MY
公爵和傻蛋剧场(Duke and Dimwit Theater)
https://www.youtube.com/watch?v=R-rl0ZoDjyg
渡鸦穹顶(Raven's Dome)
https://www.youtube.com/watch?v=psuH0hVacO0
恩波莉亚广场(Emporia Arcade)
https://www.youtube.com/watch?v=lBgSqBGJT0s
Burial at Sea - Episode 1 (+250G)
没有难度成就，收集/战斗成就不限定一轮拿完
破关之后加载章节补完也可以
1.Down in the Briney (秘密成就) 25G
Took a Bathysphere ride in Burial at Sea - Episode 1. (Secret)
剧情成就，不会错过
2.Burial at Sea (秘密成就) 50G
Completed Burial at Sea - Episode 1. (Secret)
剧情成就，不会错过
3.Audio Enthusiast 50G
Collected all Audio Diaries in Burial at Sea - Episode 1.
收集17个录音带，破关错过没关系，加载章节补拿即可
https://www.youtube.com/watch?v=pGo241i2KjI
4.Fully Equipped 10G
Purchased any two upgrades for
Old Man Winter or Radar Range in Burial at Sea - Episode 1.
随意升级2个新能力或武器的项目
最少花费为Winter Boost $125+Accelerator Mod $150=$275
基本上只要有收刮物品的习惯，应该可以轻松超过所需金额
Old Man Winter(Gene Bank vending machines)
Winter Boost $125 / Winter Mod $225
Radar Range( El Ammo Bandito vending machines)
Accelerator Mod $150 / Slow Cook Mod $200
5.Confirmed Luddite 10G
Destroyed ten Turrets in Burial at Sea - Episode 1.
摧毁10个砲塔，不够的话可以加载章节补打
6.Cook and Serve 10G
Made 5 enemies explode with the
Radar Range in Burial at Sea - Episode 1.
使用Radar Range杀掉5个敌人
https://www.youtube.com/watch?v=fHsTIWD-c68
7.Chain Reaction 50G
Damaged fifteen foes with an exploding enemy,
using the Radar Range in Burial at Sea - Episode 1.
使用Radar Range的连锁攻击，杀掉15个敌人
敌人聚在一起时，锁定其中一名敌人就能将附近的敌人也杀掉
快速累积杀敌数的方法:到达酒吧下层后先输入3958解锁冰柜
再把通风口关起来，检查点更新，拿起Radar Range会有3个敌人出现
杀掉后加载检查点即可
8.Break the Ice 10G
Shattered 5 enemies who had been frozen
with Old Man Winter in Burial at Sea - Episode 1.
近战打碎5个冰冻的敌人
9.Snowball Effect 10G
Froze 2 enemies with the same Old Man Winter trap
in Burial at Sea - Episode 1.
使用Old Man Winter 陷阱，一次冰冻2个敌人
https://www.youtube.com/watch?v=Drve6Jfki1g
10.Going Places (秘密成就) 25G
Rode the tram in Burial at Sea - Episode 1. (Secret)
剧情成就，不会错过
Burial at Sea - Episode 2 (+250G)
可以首轮挑战1998模式一次把成就拿完
我是首轮简单难度，第二轮1998难度专心过关
1998难度没有路线提示(十字键 ↑)先熟悉流程也不错
1.Up and Running (秘密成就) 25G
Repaired the machine in Suchong's lab
in Burial at Sea - Episode 2. (Secret)
剧情成就，不会错过
2.Mein Hair (秘密成就) 25G
Delivered the hair sample in Burial at Sea - Episode 2. (Secret)
剧情成就，不会错过
3.Paid in Full (秘密成就) 50G
Completed Burial at Sea - Episode 2. (Secret)
剧情成就，不会错过
4.The Whole Story 50G
Collected all Audio Diaries and Voxophones
in Burial at Sea - Episode 2.
收集25个录音带&4个编码译本
https://www.youtube.com/watch?v=Ccu6sqxHHQM
5.Taffer's Delight (秘密成就) 50G
Completed Burial at Sea - Episode 2 in 1998 mode. (Secret)
以1998难度完成海葬第2章(有分1999难度跟1998难度，别选错!)
武器只有十字弓，避免正面冲突，满血状态只能挨2~3发子弹
弹药有限，清除挡路的敌人就好，善用Peeping Tom能力偷袭
( Service Bay area&Manta Ray Lounge有升级药剂)
6.Making Some Noise 10G
Gained five noisemakers through lockpicking.
前往Silver Fin餐厅的路上，会遇到全部蓝色锁栓的锁头
成功开锁后，加载检查点，累积5次开锁成功即可
https://www.youtube.com/watch?v=k6s-8TnjFsc
7.Twofer 10G
Knocked out two or more enemies using the same crossbow bolt.
一发催眠瓦斯打倒2个以上的敌人，刚拿到这项道具就有机会解开
https://www.youtube.com/watch?v=IYXLrowu36Y
8.Glutton for Punishment 10G
Used Ironsides to collect 20 rounds of
ammo or more in Burial at Sea - Episode 2.
使用Ironsides能力，收集敌人射出的子弹20发以上
因为后期才会拿到这项能力，要把握机会多使用
完成时钟机关后，坐电梯往下层移动，电梯门打开有检查点
先收拾3个敌人，窗外有艘砲艇，一次可以吸5发子弹
重复加载检查点，就能快速拿到成就
https://www.youtube.com/watch?v=FDcaVK0_74Y
9.Dead Drop 10G
On three occasions, knocked out an enemy
after silently dropping off a Freight Hook.
使用天钩，从高处跳到敌人背后击倒3次，可以加载检查点来洗
https://www.youtube.com/watch?v=tysowKNXezA
10.Never Saw It Coming 10G
While invisible, used Peeping Tom to
knock out 15 enemies with a melee attack.
使用Peeping Tom能力(按住LT保持隐身)，近战击倒15个敌人
https://www.youtube.com/watch?v=cs13QsYDcQQ

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