YPXA

Hot Stuff Coming Through In Blood of the Dead, forge a Magmagat

Perkaholic Relapse Acquire every perk in a single game

Not Big Enough In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Paranormal Patch Up In Blood of the Dead, revive another Player with a shield

Acted Alone In Verrückt, headshot 20 zombies in the courtyard from the second floor of the Asylum.

The Grand Tour In Revelations, visit every unique location within 2 minutes.

Time to Slam In Der Eisendrache, revive two players protected by the Ragnarok DG-4.

Stoking the Flames In Voyage of Despair, kill 3 Stokers via weak-point in a single round

Venerated Warrior In IX, defeat the most venerated opponent

Jack of All Blades, Master of Guns Level up all 8 Special Weapons to Stage 3

Wield a Fist of Iron In Gorod Krovi, wield the Gauntlet of Siegfried.

Blown Away In Gorod Krovi, kill 10 zombies at once with the Guard of Fafnir.

My Brother’s Keeper In Der Eisendrache, the one must be erased.

Fire Mission In Gorod Krovi, kill 8 zombies with a single Dragon Strike.

Iron Lung In Zetsubou No Shima, stay underwater for one minute.

Gat Trick In Blood of the Dead, kill the Warden with the Blundergat, Acidgat, and Magmagat in a single game

Historical Reenactment In Blood of the Dead, equip Hell's Retriever, Spoon, Blundergat, and Tommy Gun at the same time

Crop Duster In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

None Left Standing In Der Eisendrache, kill every type of zombie using a minigun.

Wardrobe Change In Revelations, wear three different hats.

One Too Many In Zetsubou No Shima, throw up.

Seeds of Doubt In Zetsubou No Shima, the one must be saved.

Cryogenic Slumber Party In Moon, complete Richtofen's Grand Scheme.

Assault With Battery In Zetsubou No Shima, electrocute a zombie with a shield.

Vaporeyezed In Gorod Krovi, use the Gigant Beam to kill 20 Zombies in one activation.

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

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

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

Abandon Ship In Voyage of Despair, complete the Trial

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

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

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

Most Escape Alive In Blood of the Dead, escape

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

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.

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

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

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

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.

Little Lost Girl In Origins, release Samantha.

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

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

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

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

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