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Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Challenge X Complete 10 challenges

Hearty Have 9HP at one time

CLEAR 30 LEVELS CLEAR 30 LEVELS

Walk Without Rhythm Dismantle the Destroyer.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Taking Flight In Gorod Krovi, ride a Dragon.

CLEAR 40 LEVELS CLEAR 40 LEVELS

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Undiscovered Truths Find all the intel hidden in Nightfall.

Homicidal Kill the guide, you monster.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Grate Hall Access the Oubliette

CLEAR 50 LEVELS CLEAR 50 LEVELS

Double Vision Trounce the Twins.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Wishing for the Best Complete the "Last Wish" Raid.

Burgertown Escort Service Rescue 1 survivor in Infection.

CLEAR 60 LEVELS CLEAR 60 LEVELS

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

CLEAR 70 LEVELS CLEAR 70 LEVELS

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Wired Up Place 100 wires.

Come On And ... Slam 10 zombies at once in Outbreak.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Touch Down Land the plane 10 times without crashing (no auto land)

Prime Directive Shatter Skeletron Prime.

Appease the Volcano Gods An NPC is destined to die in a trial by fire.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Wait... Wha...?! Kill a plane with an enemy plane

Alright, Alright Survive until round 10 in Infection.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Real Estate Agent Have all possible town NPCs living in your world.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.