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Full Lockdown In Mob of the Dead, Brutus completes his patrol.

IRA Don't Ask Completed all of Burke's side-missions

I Need a Favor Completed all of Vito's side-missions

.45 in My Hand Completed all of Cassandra's side-missions

Trust Reached the Loyal state with one Underboss

Ready For Deployment Reach rank 10 in Combat Training.

Frag Master Kill 5 enemies with a single frag grenade in the campaign.

Double Whammy Destroy both helicopters with one Valkyrie rocket from the deck of the ship.

No Leaks Make it through the NOVA 6 gas without dying on Rebirth Island.

Russian bar-b-q Incinerate 10 enemies with the flamethrower attachment in the POW compound.

With extreme prejudice Get to the POW compound in the Hind using only rockets.

Pathfinder Guide the squad through the Soviet outpost without them getting killed.

Heavy Hand Use the Grim Reaper to destroy the MG emplacement.

Tough Economy Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Vehicular Slaughter Destroy all enemies on vehicles during the prison break.

Overachiever In Origins, complete all 4 Challenges in one game.

Little Lost Girl In Origins, release Samantha.

Playing with Power In Origins, build all elemental staffs in one game.

See Me, Stab Me, Heal Me Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.

Sacrificial Lamb Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.

Stand-in In Call of the Dead, send the crew to Paradise in solo or co-op.

Quiet on the Set In Call of the Dead, cut the lights on the Director.

Double Trouble Use only dual wield weapons to escape Kowloon.

Easy Rhino In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

The Collector Buy every weapon off the walls in a single Zombies game.

Stand Down Complete the campaign on any difficulty.

BLACK OP MASTER Complete the campaign on Hardened or Veteran difficulty.

Burn Notice Complete "Rebirth" and "Redemption" on Veteran difficulty.

Closer Analysis Find all the hidden intel.

Clarity Crack the code.

Sally Likes Blood Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

I hate monkeys Kill 7 monkeys in under 10 seconds in the Rebirth labs.

Not Today Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.

Unconventional Warfare Use the explosive bolts to kill 30 enemies in the campaign.

Mr. Black OP Enter the Soviet relay station undetected.

Never get off the boat Find the Soviet connection in Laos.

Lord Nelson Destroy all targets and structures while making your way up the river.

It's your funeral Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.

Up close and personal Silently take out 3 VC.

Some wounds never heal Escape the Past.

Light Foot Escape the ship with 2:15 left on the timer in Veteran.

Broken English Escape Kowloon.

SOG Rules Retrieve the dossier and the defector from Hue City.

Down and Dirty Complete "SOG" and "The Defector" on Veteran difficulty.

The Dragon Within Kill 10 NVA with Dragon's Breath rounds.

Raining Pain Rack up a body count of 20 NVA using air support in Hue City.

I'm My Own Best Friend In Die Rise, revive yourself.

Hands Off the Merchandise Kill the Pentagon thief before it can steal your load-out.

Looks don't count Break the siege in the battle of Khe Sanh.

A safer place Sabotage the Soviet space program.