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It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Queen Firefly Kill 15 enemies with Marlene's assault rifle in one encounter in No Return
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Diligence as a goal Get 3 stamps in any arena challenge.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Cyberized Research all Augments for 10 Items in Zombies

Muppet Mastery Complete The Muppet pack's story

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

This Make You All Nostalgic? Complete the Part I challenge track in No Return

Flipper Flip the level 6 times in Protector mode

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Hireling Commander Reach level 10 with all Mercenaries.
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Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Case in Point Complete the Campaign on Veteran difficulty

Collector Extraordinaire Collect 100% of the Prize Bubbles in The Journey Home.

Natural Talent You finished Mystery Foe without using any active supernatural powers

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

Biology Lesson Kill a Bloater with the pump shotgun as Bill in No Return

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

Coroner Find all of the wearable items that make up the Taken Shape.

Keep Fighting Killed your first Biobot!

Boosted! Hold Super Boost for 15 seconds in Protector mode

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

I've Got Your Cure Right Here Defeat 25 enemies with the HE .44 Magnum in Infected mode

Right on Time Earned Gold in all Time Rallies in Mission Challenge

Spelunker Find all of the Intel in Awakening.

I Would Do It All Over Again Complete the story in chronological order

Inquisitive Mind Find all of the Intel in Mayday.

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Head trauma Die from hitting head on a barrier

New Dynasty Enter Prestige in Black Ops 7

It's Time Obtain the Kinetic Hammer

Ensign Reach round 10 in Carrier.

World Domination In Liberty Falls, tap into your Supervillain side

Captain Pig-ard Achieve a score of 4000 or higher in "Pigs In Elevators (In Space)!"

TBoGT: Gold Star Score 100% in all missions. (The Ballad of Gay Tony)

One Last Job Finish Final Transmission

Epic victory - Chapter XIII Finish the levels from Chapter XIII in Paladin difficulty

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

Master Of Arms Enter Weapon Prestige with any Weapon

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

The Final Chapter Find all 7 story related intel files in Exodus.

Save the last humans Lifetime total of 1,000 humans saved in Survival mode

Big Baller Earn 75,000 points in a single Nazi Zombies game. (Map Pack 2 only)