在 smokers 烟鬼（僵尸boss）攻击自己队友前，帮助队友免受伤害
Blind Luck
You or another Survivor take no damage after being vomited on by a Boomer. 20
你或者队友被 Boomers 炸弹魔（僵尸boss）使用呕吐攻击后，没有受到其他感染者的伤害
Akimbo Assassin
Survive an entire campaign using only pistols. 30
只使用手枪完成一个战役(5张地图)
Hero Closet
Rescue a Survivor trapped in a closet. 10
抢救被围困的幸存者
Hunter Punter
Shove a Hunter off of a pinned and helpless Survivor. 10
把 猎手从一个被其捆住的幸存者推开
Tongue Twister
Free yourself from a Smoker who has grabbed you with his tongue. 20
当你被 smokers 烟鬼的舌头攻击缠住后，自己逃脱
No Smoking Section
Kill 10 Smokers as they are pulling helpless Survivors. 15
杀死10个正在用舌头攻击幸存者的 smokers 烟鬼
101 Cremations
Set 101 Infected on fire. 20
让101个感染者着火
Do Not Disturb
Sneak past all Witches in a campaign without disturbing one. 20
悄悄的从Witches 女巫身边走过，不打扰它
Man vs Tank
Single-handedly kill a Tank. 30
独自杀死一个 tanks 坦克（僵尸boss）
Tankbusters
Kill a Tank without it dealing any damage to a Survivor. 20
不费血杀死一个tanks 坦克
Safety First
Play an entire campaign with no Survivors taking friendly fire damage. 30
完成一个战役(5张地图)，确保没有一个幸存者打到队友身上
No-one Left Behind
Beat a campaign with all 4 Survivors. 20
用4个幸存者完成一个战役(5张地图)
