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40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

A Series of Unfortunate Events Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.

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

Mission Complete Reach Colorado Mastery Level 20.

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Atomic Obliteration - Complete all the Challenges

Moneybags Have 15000 credits in the bank in Outbreak.

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

The Chosen Bun Win three games as the Hotdog Man character

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

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

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Sayōnara Reach Hokkaido Mastery Level 20.

Minuteman Earn 10 mission citations.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Marrakesh Escalated Complete Level 5 of an Escalation Contract set in Marrakesh.

Break the Bank Complete "Golden Handshake."

Electric Whisper Learn how to craft Electric Arrows

Peace in our time Successfully complete a Resistance Mode mission on normal difficulty.

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

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

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.

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

Taking Flight In Gorod Krovi, ride a Dragon.

New Superpower Complete all China Rising Assignments

Signing Day Announce where your college ball will be played at.

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

Colorado Escalated Complete Level 5 of an Escalation Contract set in Colorado.

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

Silent but Deadly Perform 5 takedowns in a row without being spotted by the KPA.

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

Bangkok Escalated Complete Level 5 of an Escalation Contract set in Bangkok.

Robin Hood Kill a KPA soldier with a crossbow bolt from over 50 meters away.

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

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

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

Silent Sniper Complete The Last Yardbird as Silent Assassin.

Island and Chill Complete The Last Resort.

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

Hokkaido Escalated Complete Level 5 of an Escalation Contract set in Hokkaido.

Everyone fights, no one quits Revive 10 downed teammates over any number of Resistance Mode missions.

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

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

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

Double Trouble Complete The Pen and the Sword in Multiplayer.

Undiscovered Truths Find all the intel hidden in Nightfall.