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Covert Elimination Wolf Mountain - Kill Hitler and exfiltrate without ever being detected.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

King of Bling Earn ALL of the Clear Gems

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion

No Mo' Modi Get out of jail, but not for free

Annihilation Get 100 Elite Zombie Eliminations in Zombies

Going Up… In The Darkest Shore, unlock the Ubersprengen.

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

Match Made in Hell In Blood of the Dead, complete a Gondola ride with the Warden

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

Overachiever Watch the 100% bonus ending

gnilB fo gniK Earn ALL N. Verted Gems

Team Player In Zombie Rush, obtain a Team Score of 500,000

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

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

Alpha Wolf Mountain - Complete the mission on Authentic difficulty.

Diligence as a goal Get 3 stamps in any arena challenge.

Kraken Unfettered In Voyage of Despair, kill 9 enemies with a single shot of the Kraken

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

From Führer Away Wolf Mountain - Kill Hitler at a distance of 300 meters or more.
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Cyberized Research all Augments for 10 Items in Zombies

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

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Top 10 Reach the top 10 10 times.

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

Seriously Overpowered Equip a gilded, unique, fully enchanted weapon.

Hot Stuff Coming Through In Blood of the Dead, forge a Magmagat

Marksman Novice Kill 10 players with an assault rifle and/or a sniper rifle from over 100 meters away.

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

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

Hunters Hunted Defeat all three of Yukari's taisho (Claws of Awaji)

Perkaholic Relapse Acquire every perk in a single game

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

New Dynasty Enter Prestige in Black Ops 7

Unity Return the Regalia to the Emperor (Claws of Awaji)

Spelunker Find all of the Intel in Awakening.

Conqueror Defeat a Warlord in MWZ

Inquisitive Mind Find all of the Intel in Mayday.

Keep Fighting Killed your first Biobot!

CQB Novice Kill 10 players with a shotgun, a submachine gun, and/or a pistol.

One, Two, Sweep Eliminate an enemy after using all three postures of the Bo in a single combat (Claws of Awaji)

Boat Rocked Defeat the Old Ashigaru (Claws of Awaji)

World Domination In Liberty Falls, tap into your Supervillain side

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

Seeing Red Complete 5 Contracts in the High Threat Zone in a single deployment in MWZ

It's Time Obtain the Kinetic Hammer

Jungle Fungus Defeat the Mooshroom Monstrosity using only gear unique to the jungle.

Master Of Arms Enter Weapon Prestige with any Weapon

Paranormal Patch Up In Blood of the Dead, revive another Player with a shield

Perfectionist Earn ALL N.Sanely Perfect Relics