User blog comment:Dolten/Call of Duty: Black Ops Achievements/Trophies (SPOILER ALERT)/@comment-1772365-20101001023140

Sacrificial Lamb 	Kill 6 zombies after getting shot by a Pack-a-Punched Crossbow bolt The Collector 	In Zombie mode, buy every weapon off the walls in a single game “Insert Coin” Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade