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Cold Shoulder Infiltrate the snowy mountain side base.

Black Diamond Complete 'Cliffhanger' on Veteran difficulty.

No Rest For the Wary Knife an enemy without him ever knowing you were there.

Ghost Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.

Danger Close Get hand picked for Shepherd's elite squad.

First Day of School Complete 'S.S.D.D.' and 'Team Player' on Veteran difficulty.

The Real Gun Game Complete any mission but 'S.S.D.D.' and 'Endgame' without reloading weapons or using melee attacks.

Two Birds with One Stone Kill 2 enemies with a single bullet.

Desperado Kill 5 enemies in a row using 5 different weapons or attachments.

Three-some Kill at least 3 enemies with a single shot from a grenade launcher.

Clown in Training The U.S. Army Rangers ain’t no place for clowns.

The Student Surpasses the Master Beat BX time in 'S.S.D.D.'.

Precognitive Paranoia Kill Shepherd.

Driven by Rage Take down Menendez and his operation.

Singapore Sling Successfully neutralize the SDC freighter at Keppel Terminal.

Defender Successfully defend FOB Spectre from incursion.

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

Ready For Deployment Reach rank 10 in Combat Training.

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

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

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

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

Double Trouble Use only dual wield weapons to escape Kowloon.

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.

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

Clarity Crack the code.

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

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.

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.

Mr. Black OP Enter the Soviet relay station undetected.

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

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.

Festival Clean Up Simulator Clean up the large Caustic-X spillage in Utopia

Rip 'n' Tear Slay 5 zombies with a supercharged Ripper, and bisect 5 more with a Sawblade Launcher

The Direct Approach Ram into 5 zombies in a single charge

Drop The Beat Defeat The Dirge and silence the Beat

No Encores Help calm Grace by suppressing the Beat

Three's a Crowd Survive your first Clotter encounter

Just Another Bug Hunt Participate in killing two Dreadnoughts within 30 seconds on Hazard Level 3 or higher.

Cat & Mouse Completed Chapter 4 of The Kaito Files.