Follow the Ratman to his den 劇情獲得

　　5 Unlocked on 8/2/2012

　　Flirtin with Disaster

　　Tackle an enemy 推到一個(gè)敵人 需要一段助跑 按住RB沖向一個(gè)僵尸將其撲倒即可 然后會(huì)被反撲

　　10 Unlocked on 8/2/2012

　　Is there anybody there?

　　Finish Randall's dream 劇情獲得

　　15 Unlocked on 8/2/2012

　　Rust in peace

　　Perform a headshot 完成一次爆頭 (爆頭感超爽)

　　15 Unlocked on 8/2/2012

　　In the Army Now

　　Get to the military control 劇情獲得

　　5 Unlocked on 8/2/2012

　　Welcome to the Jungle

　　Reach the junkyard 劇情獲得

　　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 終結(jié)掉一個(gè)僵尸 切胳膊砍頭都可以

　　10 Unlocked on 8/2/2012

　　Another one bites the dust

　　Perform a combo on an enemy 對(duì)僵尸完成一次連擊 毫無(wú)難度

　　10 Unlocked on 8/2/2012

　　Knockin' on Heaven's Door

　　Tackle a door 沖破一扇門

　　10 Unlocked on 8/2/2012

　　I Ran (So Far Away)