Follow the Ratman to his den 剧情获得
5 Unlocked on 8/2/2012
Flirtin with Disaster
Tackle an enemy 推到一个敌人 需要一段助跑 按住RB冲向一个僵尸将其扑倒即可 然后会被反扑
10 Unlocked on 8/2/2012
Is there anybody there?
Finish Randall's dream 剧情获得
15 Unlocked on 8/2/2012
Rust in peace
Perform a headshot 完成一次爆头 (爆头感超爽)
15 Unlocked on 8/2/2012
In the Army Now
Get to the military control 剧情获得
5 Unlocked on 8/2/2012
Welcome to the Jungle
Reach the junkyard 剧情获得
5 Unlocked on 8/2/2012
Lay your hands on me
Survive a close encounter 被僵尸抓住后一直按B
10 Unlocked on 8/2/2012
Go back to hell
Execute an enemy 终结掉一个僵尸 切胳膊砍头都可以
10 Unlocked on 8/2/2012
Another one bites the dust
Perform a combo on an enemy 对僵尸完成一次连击 毫无难度
10 Unlocked on 8/2/2012
Knockin' on Heaven's Door
