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Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Go for Gold! In Onslaught, acquire seven gold chalices

Welcome to MY World Defeat 25 Enemies in the Living World as Uay Pek

Specter Officer Reach max level with one class in the Cooperative campaign.

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Electric Whisper Learn how to craft Electric Arrows

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Backwards & Forwards Complete ALL levels in N. Verted mode

Relieved of Command Kill the general commanding the Moscow defenses

What? There's nothing wrong with these... Finish the game with the starter sword, bow or shield.

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

A Good Man Is Hard to Find Achieve a Camo Index of 100%

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Dark Tourist Reach Santa Fortuna Mastery Level 20.

Qualified Have a Ghost Skill of 90% for a single mission

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

A for effort Attain a Time Trial star rating of 35

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Pillar of the Community Reach Whittleton Creek Mastery Level 20.

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Moneybags Have 15000 credits in the bank in Outbreak.

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

One Night in Bangkok Reach Bangkok Mastery Level 20.

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

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

The Bank always wins in the end Reach the Bank for the first time.

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

Let's Play Complete the first Horde Mode Mission

The Dance You beat the "Time Keeper" without taking a single hit.

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

True Love Found Reunite Aym and Baal with Forneus.

Keys to the City Reach Mumbai Mastery Level 20.

Steal the Show Perform with the Dead Band at the Mariachi Club as El Muñeco

Body Builder Defeat a Giant Skeleton as Uay Pek's Head

Pursuit of Knowledge Filled 80% of the Datalog.

Hop, Skip, and a Jump Successfully perform a shot that skims over water at least
once in a recorded official round

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

No Loose Ends Eliminate the leader of the Raven's Rock faction

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

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

Regenerate Help Sozo.

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

First night on the streets Complete the Unleashed Goal of one Event of the HOT WHEELS™ - Batman Expansion.

The Cleaner Escape as a traitor with 50% of any level’s total loot in Arcade Mode or Multiplayer Ranked Match.

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Mission Complete Reach Colorado Mastery Level 20.