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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.

Never Speak of This Again Finish Extermination

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

Moocifer Create a Cow Demon

Sleuth Unlock all intel (videos and audio files)

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

Salute Me Achieve the rank of Lieutenant.

Fundamental Principles Amended the Constitution 6 times in a single game

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.

Professional Reach Rank 10 (Ranked Match)

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

New Superpower Complete all China Rising Assignments

Taking Flight In Gorod Krovi, ride a Dragon.

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

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

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

Undiscovered Truths Find all the intel hidden in Nightfall.

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

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

Fully Loaded Maximize all upgrades.

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

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

Burgertown Escort Service Rescue 1 survivor in Infection.

He Talked Too Much Defeat Emerson Miller

In Seventh Heaven Reached overall happiness of 77

For Science! Researched all technologies at least once before the year 2005 in a single game

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

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

The third faction Rescue all the Buddies from their respective predicaments

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

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

Friends With Benefits Had relations higher than 90 with all factions in the Modern Era

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.

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

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

High Score In Zombie Rush, obtain a Personal Score of 250,000

Street Fighter Complete all Dragon's Teeth Assignments

Alright, Alright Survive until round 10 in Infection.

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

Survivor Survive until Round 25 in Outbreak.

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

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

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

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

Skitchin' Reach 200 km/h with the Hoverboard for 10 seconds while grappled to a vehicle

Multiplicitous In Zombie Rush, get your score multiplier up to 100