Masher

Big Bada Boom Kill at least four enemies with one GL40 grenade launcher shot.

Most Escape Alive In Blood of the Dead, escape

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

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

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

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

The Bigger They Are… Complete Collapse and Fracture in Co-Op Campaign

And Then There Were Three Kill 3 enemies with a single grenade in Co-op or Versus.

Expert Weaponsmith Upgrade a weapon to Tier IV.

Together We Fly Won a Team Death Match.

Silver bullet Obtain a silver medal in 10 different challenges

Gotta Get Rifty Complete "Rifty Business"

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

The Doctor is In Use PhD Slider to fall 10 feet and kill 10 zombies at once

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

Charted Find every hidden terminal.

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

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

Slaughterhouse Kill 50,000 total Enemies in MWZ

Heart Of Iron Achieve Rank 15.

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

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

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

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

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

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

Survivalist Survive for 30 seconds on Pacifism Classic without going through a gate

Coup De Gracie Use Junker Queen’s Jagged Blade and Carnage to pull and kill an enemy in Quick or Competitive Play.

Under Pressure Complete Breakpoint and Containment in Co-Op Campaign

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

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

Shutout Win a game of soccer without the opposition scoring in the soccer game mode

Kill Them All Kill every enemy type found in Adventure Mode at least once

Pump It Up On Bomb: Forest, stop the cops from disconnecting the water hose whilst using the river water pump.

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

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

Heartless Make only negative choices

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.

Captive Complete mission: Captive

Brick stacker Place 66 bricks in endless survival challenge.

Most Wanted Reach reputation level 100.

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

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

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

My Friend Complete the Main Mission "The Enemy of my Enemy".

Hoarder Complete all 6 Calling Card Challenges in any Zombies Category

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

Bells and Whistles Have 4 weapon mods on a single weapon.