Sacrificial Lamb
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
3/24/2011
10:23:16 AM
Ultra Rare 0.8%
Double Whammy
Destroy both helicopters with one Valkyrie rocket from the deck of the ship.
3/22/2011
11:10:04 AM
Ultra Rare 1.5%
The Collector
Buy every weapon off the walls in a single Zombies game.
3/22/2011
11:02:57 AM
Ultra Rare 1.6%
Easy Rhino
In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.
3/22/2011
9:52:42 AM
Ultra Rare 1.3%
No Leaks
Make it through the NOVA 6 gas without dying on Rebirth Island.
3/22/2011
9:49:55 AM
Ultra Rare 4.5%
See Me, Stab Me, Heal Me
Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.
3/20/2011
5:39:49 PM
Ultra Rare 4.5%
Weapons Specialist
Fully Upgrade All Stats Of Any Weapon In Campaign Mode
3/20/2011
3:03:03 PM
Rare 42.2%
