16.See You Around
Complete Chapter 5 in Jake's campaign.
回头见
完成杰克篇第五章
17.I Spy
Complete Chapter 1 in Ada's campaign.
我是间谍
完成艾达篇第一章
18.Counterintelligence
Complete Chapter 2 in Ada's campaign.
亦反间谍
完成艾达篇第二章
19.This Takes Me Back
Complete Chapter 3 in Ada's campaign.
归来的原因
完成艾达篇第三章
20.Ada's Demise
Complete Chapter 4 in Ada's campaign.
艾达之死
完成艾达篇第四章
21.What's Next?
Complete Chapter 5 in Ada's campaign.
接下来呢?
完成艾达篇第五章
22.One Is Better Than None
Purchase one skill.
聊胜于无
购买一个技能
23.Zombie Massacre
Defeat 500 zombies.
丧尸大屠杀
解决500个丧尸
24.Titular Achievement
Earn 10 different titles.
称号达人
获得10个不同的称号
25.Lifesaver
Help or rescue your partner ten times.
救命恩人
帮助或营救你的搭档10次
26.Check Out My Dogs
Customize your dog tags.
看看我的狗牌
自定义自己的狗牌
27.Silent Killer
Use a stealth attack to take down five enemies.
无声杀手
用偷袭解决5个敌人
28.Down, Not Out
Defeat an enemy while dying, then recover without any help.
生死攸关
在濒死状态下解决1个敌人，并且在没有任何帮助下自己恢复
29.Finish What You Start
Perform a coup de grace on ten enemies.
有始有终
对10个敌人使用致命一击
30.J'avo Genocide
Defeat 500 J'avo.
J'avo大灭绝
解决500个J'avo
