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

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

The Doctor is In Use PhD Slider to fall 10 feet and kill 10 zombies at once

Ladder Master Complete Arcade Ladder on max difficulty without using a continue

Weapons Training Locate the Secret Room during the Tutorial.

Stellar Centurion Deploy Star Power a total of 100 times (Quest)

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Trial of the Magician Travel Light on for "In Hushed Whispers": finish the quest.

Silver bullet Obtain a silver medal in 10 different challenges

Inconceivable Kill the Monster without taking any damage outside of the Tutorials.

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

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

Putting On The Ritz End a round as Criminal Expert in a Fragile Alliance Ranked Match.

The Exalted Summon Warrior Pandora (Quest)

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.

Salt on the Senses Add the maximum amount of salt to your fries

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.

Monk Become a monk.

Captive Complete mission: Captive

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

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

BlueGrass Is Still the Best Unlock all the Perks

House Arrest Attain a total of 105,000 score on Interval 04

Haggler Save 2000 Groschen by haggling.

I Live…Redux Incapacitate, hotswap, and revive yourself.

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

Supreme Challenger Complete 500 total challenges between all categories.

You Found Me! Discover and fight Hidden Kombatant 1 in Arcade Ladder

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.

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

The Ultimate Race Win 1 Quick Race in the AcceleDrome (not unlockable in Online and Split Screen modes).
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The Brute Release Warrior Lars (Quest)

Little Lost Girl In Origins, release Samantha.

Top Marks Get all the answers right in the Professor's three quizzes

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

Insider Trading Possess every type of possessable enemy

Big Brother's Helper As Fettel, suspend 100 enemies that Pointman kills

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.

The Vigil Charm Warrior Casey (Quest)

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

A Better Tomorrow In Revelations,complete the cycle.

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