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Big Leagues Start the Campaign.

Death From Below In Buried, drop the beat on 10 zombies in one game.

Mazed and Confused In Buried, survive an entire round within the maze on round 20 or higher.

FSIRT Against the Wall In Buried, purchase the LSAT off the wall and Pack-a-Punch it.

Awaken the Gazebo In Buried, Pack-a-Punch a weapon during round 1 with no one using the bank or Weapon Locker.

I'm Your Huckleberry In Buried, access all areas with the help of your new friend in one game.

GG Bridge In Mob of the Dead, survive an entire round on the bridge on round 15 or higher.

No One Escapes Alive In Mob of the Dead, execute the escape plan.

Acid Drip In Mob of the Dead, convert a weapon using a kit.

Feed the Beast In Mob of the Dead, obtain Hell's Retriever.

Paranormal Progress In Mob of the Dead, open a door without spending points.

When the Revolution Comes In Buried, return to processing.

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

Slippery When Undead In Die Rise, kill 5 zombies with a single shot from the Sliquifier.

Vertigoner In Die Rise, fling 10 zombies in one game.

Eaten by a Grue Play Zork on the terminal.

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

Insert Coin Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Ready For Deployment Reach rank 10 in Combat Training.

Welcome to the Club Reach Sergeant (Level 10) in multiplayer Public Match.

Revisionist Historian In Buried, rewrite history.

Ectoplasmic Residue In Buried, acquire a perk for free.

Candygram In Buried, make a candy delivery.

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

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

Double Trouble Use only dual wield weapons to escape Kowloon.

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

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

Closer Analysis Find all the hidden intel.

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.

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

Clarity Crack the code.

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.

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

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

Mr. Black OP Enter the Soviet relay station undetected.

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

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.

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

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.