UncleBojangle

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

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

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

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

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

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

Enforced Freedom Kill 100 Zombies with explosions from Fire Works

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

Silver bullet Obtain a silver medal in 10 different challenges

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

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

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

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

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

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Survival Of The Fittest Reach Round 30 on a Survival Map

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.

Little Lost Girl In Origins, release Samantha.

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

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

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

MEAT IS MURDER Activate Bubby.

World Warrior Beat Street Fighter II: The World Warrior.

Triple Trouble Try for a 3 chain combo!

A Better Tomorrow In Revelations,complete the cycle.

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

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

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

Corpse Aplenty Eliminate 10,000 Zombies

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

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

Pump It Up In Rave in the Redwoods, Pack-a-Punch a weapon.

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

Admiral Reach round 30 in Carrier.

Scud Racer Finish 1st in a Race without getting hit by weapons

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

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

Farsight Get 3 Kills with a single use of the Gravemaker Scorestreak

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

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

Destruction Preventer Kill 10 Destroyers in one run in Protector mode

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

Ride For Your Life In Rave in the Redwoods, ride every zipline.

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

Gold x1 Earn 1 gold metal by completing a Challenge.

Step on the Gas In Classified, kill 50 zombies while affected by Nova 6 Crawler gas in a single game

Quick Thinking In Dead of the Night, unlock the Forest by round 7

I Heard You Like Upgrades Fully upgrade Ol' Tessie

Cold War Remedy In Classified, retrieve and equip the Project Skadi prototype