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Time Attack In Gorod Krovi, complete Time Attack: Round 20.

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Glamor Shot Get featured in the Best Play 3 times

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

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

Take Off, Hoser! Ride Chompy for 5 minutes in a single match in Carrier.

Dripped Out Earn Diamond Badges for any category of Mastery Badges

Web of Defeat In Zetsubou No Shima, remove webs in every possible way in one game.

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Blood-Spattered Savior Rescue a total of 20 survivors in Infection.

This Is My Rifle Earn any Arclight, Moonstone, or Bloodstone Camo

Prestigious Award Attain max level or Prestige with 25 different weapons in Zombies

BlueGrass Is Still the Best Unlock all the Perks

Fresh Moves Get a Kill while airborne from a wallhop

I Believe I Can Glide Glide 800m continuously with the wingsuit in Co-Op Campaign or Endgame

Preemptive Strike In Classified, kill 50 Nova 6 Crawlers without letting them explode in a single game

Crawl for Help In Classified, while in last stand use a teleporter and then get revived in a single game

For The Good Of All In Revelations, the Key must be opened.

Ground Control In Moon, prevent each excavator from breaching the base in one game.

Zombiepult In Gorod Krovi, launch 10 zombies into the air at the same time.

MEAT IS MURDER Activate Bubby.

Blackout Historian In Blackout, unlock Reznov, Mason, Woods and Menendez

This Damn Island In The Darkest Shore, explore the entire island.

Little Lost Girl In Origins, release Samantha.

Enforced Freedom Kill 100 Zombies with explosions from Fire Works

Pent-up-agon In Classified, complete 5 consecutive rounds without leaving the war room elevator in a single game

How low can you go? Hit 18 enemies with a single shot of the LZ-52 Limbo in Carrier.

Coast 2 Coast Cross the water with a teleport grenade in Descent.

A Better Tomorrow In Revelations,complete the cycle.

How the mighty have fallen! Defeat Oz... again in Descent.

Senseless Axe of Violence In Blood of the Dead, kill 5 zombies with the Hell's Redeemer before it starts its return

Mad Hops Jump over 4 live sharks in 10 seconds in Carrier.

Survival Of The Fittest Reach Round 30 on a Survival Map

Buffing... Please Wait Grant your team a Perk 10 times

Admiral Reach round 30 in Carrier.

Captivated Capture 50 Tactical Objectives

Slot Jockey Use the Grenade Disposal Machine 30 times in a single match in Carrier.

Chose All the Better Guns Unlock all the Guns

Love And War In Gorod Krovi, the one must be freed.

K.O. Punch 20 enemies with a Goliath in Descent.

Friends in Low Places Become allies with Crater

Corpse Aplenty Eliminate 10,000 Zombies

Breaking the Ice In Classified, shatter 115 zombies in a single game

Secondary Supremacy Obtain Eight Secondary-related Mastery Medals.
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Farsight Get 3 Kills with a single use of the Gravemaker Scorestreak

Shock Value In Classified, kill 115 zombies with electric traps in a single game

Going Everywhere Fast In Classified, use a teleporter 7 times in less than a minute in a single game

On the Clock In Dead of the Night, stay within the clock circle until the time runs out