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Smooth Operator Defeat Oz in Descent.

A Friend in Need Protect your brother-in-law in Episode 20.

Still Not a Janitor Hear the Custodian's Confession

Veteran Play thirty games

Climbing the Corporate Ladder Survive until round 25 in Infection.

How Do Ya Like Me Now? Receive a parting gift in Episode 21.

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Now Am I Become Death Kill 3 enemies in a single turn, with a single soldier, without explosives

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

Bring it on Play/Win a match with the competitive settings turned on during any offline mode

Nah, I'm Good. Reach round 7 without anyone opening a door in Descent.

Slaughterhouse Kill 50,000 total Enemies in MWZ

Not Landfill 2: Packmore Island's Revenge Find and deliver all the hidden cassette tapes

Power Struggle In Classified, reach round 20 without turning on the power

Special Delivery Break the cables supporting a container without falling on the containers stage

Born Survivor Successfully survive and escape in Survival Mode.

Herd Mentality Defeat the Tempest Golem while four pets are active.

Top Shelf Reach the highest platform above the power drill in "Miniature"

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Nirvana Complete Part IV: Nirvana.

Game Changer Win the FIFA Women's World Cup™ in The Journey

A God Falls Kill an Avatar

Blaze of Glory Put an end to your wrath once and for all.

Objectively Good Capture an objective, build both fortifications and unlock both perks

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

There Can Be Only One Win the UEFA Champions League in The Journey

Objectives Complete II: The Completionist Complete all bonus objectives

Spotless clean Get rid of the ash in "Miniature"

B.O.T. Find the Good in the Prototype

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

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

Surgical Aim Complete 25 Precision Passes

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

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

We've Only Just Begun In The Tortured Path, successfully escape from Into the Storm.

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

High Stakes Win a run on at least Gold Stake difficulty

Wooly Wisdom Find the chamber dedicated to the humble Llama and make an offering.

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

Under Pressure Complete Breakpoint and Containment in Co-Op Campaign

Web of Defeat In Zetsubou No Shima, remove webs in every possible way in one game.

Nightmare to Dreams Complete the Black Ops 7 Co-Op Campaign

A Better Human Being Recover the Forge Item

Whirlwind Warrior Using the Tempest Knife, defeat 10 Mountaineer mobs within 10 seconds.

Creeper In The Woods Complete Creeper Woods on Apocalypse difficulty, without defeating any mobs.

Keep on Trucking Climb onto the roof of a truck on the trucks stage

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

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

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.

TR's Secret Stash Find the Secret in Act 6.