Clash in the Clouds (+195G)
請參考:
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張持久戰地圖，每張地圖15波
每波結束傳送到休息室準備，中央販賣機會掉落升級藥水跟裝備
剛開始不用強求每波挑戰都要解開，錯過的話就繼續完成波數
等能力提升+拿到裝備後，挑戰會比較容易解開
休息室所升級的項目，在返回大廳時應該會自動存檔(注意右上角)
或是在大廳的左側通道選擇save progress手動儲存進度
持久戰中死亡可選擇1.接關(該波挑戰直接失敗)、2.從第1波開始、3.返回遊戲大廳
或是事先購買重生機會，費用500元(一扇布克偵探社的門)可以直接復活1次
按START->RESTART CHECKPOINT，會載入上次在大廳的進度，請注意!
1.Friendly Skies 15G
Defeated all waves in The OPS Zeal.
在The OPS Zeal地圖完成15波持久戰
2.Duke or Dimwit? 15G
Defeated all waves in Duke and Dimwit Theater.
在Duke and Dimwit Theater地圖完成15波持久戰
3.Rooftop Ruffian 15G
Defeated all waves in Raven's Dome.
在Raven's Dome地圖完成15波持久戰
4.Hand of the Prophet 30G
Defeated all waves in Emporia Arcade.
在Emporia Arcade地圖完成15波持久戰
5.Museum Curator 15G
In CitC, unlocked all Gallery items.
購買所有畫廊物品，總花費為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&能力殺敵，Bucking Bronco除外
Undertow能力殺敵，請將敵人推去撞牆(推落地圖外不算數)
要注意有一項武器是機械愛國者掉落的"格林機關槍"
可以在The OPS Zeal地圖11波遇到，其他地圖也會出現
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將敵人擊出平台，接著拉回，然後再擊飛一次
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種能力組合攻擊，不用一口氣完成
‧ 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.
利用擊毀飛行中的火箭，讓敵人死亡
可以在OPS Zeal地圖第6波解，其他地圖也行
https://www.youtube.com/watch?v=zlvAiuKQy9k
10.Blue Ribbon Champ 30G
In CitC, completed all Blue Ribbon Challenges.
完成所有藍絲帶挑戰，總共60個(15波x4張地圖)
關卡告示牌會標示已完成的藍絲帶數量，不用重複挑戰
挑戰解說
http://game.entertainment14.com/2013/08/dlc_2.html
狂熱作戰行動(The O.P.S Zeal)
https://www.youtube.com/watch?v=R_8-lPYu-MY
公爵和傻蛋劇場(Duke and Dimwit Theater)
https://www.youtube.com/watch?v=R-rl0ZoDjyg
渡鴉穹頂(Raven's Dome)
https://www.youtube.com/watch?v=psuH0hVacO0
恩波莉亞廣場(Emporia Arcade)
https://www.youtube.com/watch?v=lBgSqBGJT0s
Burial at Sea - Episode 1 (+250G)
沒有難度成就，收集/戰鬥成就不限定一輪拿完
破關之後載入章節補完也可以
1.Down in the Briney (秘密成就) 25G
Took a Bathysphere ride in Burial at Sea - Episode 1. (Secret)
劇情成就，不會錯過
2.Burial at Sea (秘密成就) 50G
Completed Burial at Sea - Episode 1. (Secret)
劇情成就，不會錯過
3.Audio Enthusiast 50G
Collected all Audio Diaries in Burial at Sea - Episode 1.
收集17個錄音帶，破關錯過沒關係，載入章節補拿即可
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.
隨意升級2個新能力或武器的項目
最少花費為Winter Boost $125+Accelerator Mod $150=$275
基本上只要有收刮物品的習慣，應該可以輕鬆超過所需金額
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.
摧毀10個砲塔，不夠的話可以載入章節補打
6.Cook and Serve 10G
Made 5 enemies explode with the
Radar Range in Burial at Sea - Episode 1.
使用Radar Range殺掉5個敵人
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的連鎖攻擊，殺掉15個敵人
敵人聚在一起時，鎖定其中一名敵人就能將附近的敵人也殺掉
快速累積殺敵數的方法:到達酒吧下層後先輸入3958解鎖冰櫃
再把通風口關起來，檢查點更新，拿起Radar Range會有3個敵人出現
殺掉後載入檢查點即可
8.Break the Ice 10G
Shattered 5 enemies who had been frozen
with Old Man Winter in Burial at Sea - Episode 1.
近戰打碎5個冰凍的敵人
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，一次冰凍2個敵人
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)
劇情成就，不會錯過
Burial at Sea - Episode 2 (+250G)
可以首輪挑戰1998模式一次把成就拿完
我是首輪簡單難度，第二輪1998難度專心過關
1998難度沒有路線提示(十字鍵 ↑)先熟悉流程也不錯
1.Up and Running (秘密成就) 25G
Repaired the machine in Suchong's lab
in Burial at Sea - Episode 2. (Secret)
劇情成就，不會錯過
2.Mein Hair (秘密成就) 25G
Delivered the hair sample in Burial at Sea - Episode 2. (Secret)
劇情成就，不會錯過
3.Paid in Full (秘密成就) 50G
Completed Burial at Sea - Episode 2. (Secret)
劇情成就，不會錯過
4.The Whole Story 50G
Collected all Audio Diaries and Voxophones
in Burial at Sea - Episode 2.
收集25個錄音帶&4個編碼譯本
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難度完成海葬第2章(有分1999難度跟1998難度，別選錯!)
武器只有十字弓，避免正面衝突，滿血狀態只能挨2~3發子彈
彈藥有限，清除擋路的敵人就好，善用Peeping Tom能力偷襲
( Service Bay area&Manta Ray Lounge有升級藥劑)
6.Making Some Noise 10G
Gained five noisemakers through lockpicking.
前往Silver Fin餐廳的路上，會遇到全部藍色鎖栓的鎖頭
成功開鎖後，載入檢查點，累積5次開鎖成功即可
https://www.youtube.com/watch?v=k6s-8TnjFsc
7.Twofer 10G
Knocked out two or more enemies using the same crossbow bolt.
一發催眠瓦斯打倒2個以上的敵人，剛拿到這項道具就有機會解開
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，收集敵人射出的子彈20發以上
因為後期才會拿到這項能力，要把握機會多使用
完成時鐘機關後，坐電梯往下層移動，電梯門打開有檢查點
先收拾3個敵人，窗外有艘砲艇，一次可以吸5發子彈
重複載入檢查點，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.
使用天鉤，從高處跳到敵人背後擊倒3次，可以載入檢查點來洗
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保持隱身)，近戰擊倒15個敵人
https://www.youtube.com/watch?v=cs13QsYDcQQ