Face someone from Randall's past in the Park 劇情獲得

　　5 Unlocked on 8/2/2012

　　Don't Lose Your Head

　　Kill an enemy with a single melee attack 僅用一次近身攻擊殺掉一個(gè)僵尸 很容易可以把敵人前+B推到后 按住B砍頭

　　15 Unlocked on 8/2/2012

　　Jump

　　Roll to avoid lethal fall damage 從接近屏幕邊緣的高處下落然后用LT翻滾受身

　　15 Unlocked on 8/2/2012

　　Land Down Under

　　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