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One Against All Kill Orcus while in a 6 person squad in MWZ

Das ist gut In The Shadowed Throne, find the Ubersprengen.

Slaughterhouse Kill 50,000 total Enemies in MWZ

Time Attack In Gorod Krovi, complete Time Attack: Round 20.

The WWE Arrives at a New Arena! Hold an Exhibition at a Custom Arena (Single Player)

The Highest Office In Classified, reach round 20 without using an elevator

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Ready For Action Complete the Multiplayer Training Course in Black Ops 7

Overachiever In Origins, complete all 4 Challenges in one game.

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

Take Off, Hoser! Ride Chompy for 5 minutes in a single match in Carrier.

Prestigious Award Attain max level or Prestige with 25 different weapons in Zombies

Glamor Shot Get featured in the Best Play 3 times

Telefragathon Telefrag 50 enemies in a single match in Carrier.

For The Good Of All In Revelations, the Key must be opened.

Blood-Spattered Savior Rescue a total of 20 survivors in Infection.

Maximum Overdrive Equip an Overclock on a Lethal, Tactical, Field Upgrade and 3 Scorestreaks at once

Zombiepult In Gorod Krovi, launch 10 zombies into the air at the same time.

High Stakes Win a run on at least Gold Stake difficulty

Blackout Historian In Blackout, unlock Reznov, Mason, Woods and Menendez

MEAT IS MURDER Activate Bubby.

Preemptive Strike In Classified, kill 50 Nova 6 Crawlers without letting them explode in a single game

Little Lost Girl In Origins, release Samantha.

This Damn Island In The Darkest Shore, explore the entire island.

Crawl for Help In Classified, while in last stand use a teleporter and then get revived in a single game

Coast 2 Coast Cross the water with a teleport grenade in Descent.

A Better Tomorrow In Revelations,complete the cycle.

How low can you go? Hit 18 enemies with a single shot of the LZ-52 Limbo in Carrier.

Custom Logo Wizard Apply a Custom Logo to a Custom Superstar, Video, or Arena

Ground Control In Moon, prevent each excavator from breaching the base in one game.

Well Scouted Reverse an opponent's finishing move (Single Player)

Senseless Axe of Violence In Blood of the Dead, kill 5 zombies with the Hell's Redeemer before it starts its return

Pump It Up In Rave in the Redwoods, Pack-a-Punch a weapon.

Pent-up-agon In Classified, complete 5 consecutive rounds without leaving the war room elevator in a single game

How the mighty have fallen! Defeat Oz... again in Descent.

Mad Hops Jump over 4 live sharks in 10 seconds in Carrier.

Fresh Moves Get a Kill while airborne from a wallhop

Love And War In Gorod Krovi, the one must be freed.

Backstage Fisticuffs During a backstage brawl, string 3 environmental grapple combos in succession (Offline).

THQ Storytellers Create a story in Story Designer with at least 2 moments.

Admiral Reach round 30 in Carrier.

Slot Jockey Use the Grenade Disposal Machine 30 times in a single match in Carrier.

Shelter Skelter Complete "Shelter Skelter"

K.O. Punch 20 enemies with a Goliath in Descent.

Well Scouted Reverse an opponent's finishing move (Offline).

Ride For Your Life In Rave in the Redwoods, ride every zipline.

A safer place Sabotage the Soviet space program.

100,000K Score 100,000,000 Chips in a single hand