DeterminedKnight

Throw a Dog a Bone In Blood of the Dead, feed a wolf head from the Gondola, Citadel, and Model Industries in a single game

Nah, I'm Good. Reach round 7 without anyone opening a door in Descent.

Herbal Remedy In Zetsubou No Shima, use a plant to return to life.

Abandon Ship In Voyage of Despair, complete the Trial

Power Struggle In Classified, reach round 20 without turning on the power

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Most Escape Alive In Blood of the Dead, escape

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

The Highest Office In Classified, reach round 20 without using an elevator

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

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

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

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

Leaving a Fine Lookin' Fossil Hold a 'Proud Hero' pose to your demise, dressed in an Excavator outfit

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

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

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

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

Telefragathon Telefrag 50 enemies in a single match in Carrier.

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

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

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

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

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.

MEAT IS MURDER Activate Bubby.

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

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

Little Lost Girl In Origins, release Samantha.

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

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

Velocity: On Final Approach Unlock either Jump Nitrous PRO or Drift Tires PRO (Multi)

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

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

A Better Tomorrow In Revelations,complete the cycle.

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

Admiral Reach round 30 in Carrier.

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.

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

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

Trickshot Kill 100 enemies behind you with the KL03-Trident in Descent.

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

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

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

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

Keep Close In Revelations, assist a Keeper in defeating every type of enemy.