Silent_Crow

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

The Full Cavity Treatment Complete all 3 Track Challenges on any track

Demo Man Kill the knight after destroying all pillars

Inconceivable Kill the Monster without taking any damage outside of the Tutorials.

On A Roll Complete Fast Food without losing a ball

The Greatest Cape Stay airborne with the Hero Cape for 15 seconds.

Silver bullet Obtain a silver medal in 10 different challenges

Drop The Bald Defeat Lex Luthor.

Music for All Ears Reach rank 3 or higher in the Music for All Ears imp quest

Feed the Beast Reach level two with the Chimera.

Gotta Get Rifty Complete "Rifty Business"

Badge Hunter Earned 50 Badges

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

Collector Collect all Marks of the Gods (Single Player only)

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

Truly Human Defeat Sundowner without taking any damage on Hard difficulty or above.

Jack of All Trades Play 10 Multiplayer games using each class.

You Found Me! Discover and fight Hidden Kombatant 1 in Arcade Ladder

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.

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

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

Defender Kill 25 opponents who are capturing your Control Point in Seize Ground.

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

Chosen by History Defeat Samuel without taking any damage on Hard difficulty or above.

Six Digits?!? Kill 100,000 zombies.

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

Movies: Gone! Escape the cops in the Shelby GT500™ (Single Player)

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

Help From My Friends Get at least a Bronze medal on 10 different co-op challenges.

Power Overwhelming Unlock every Good Karma Power by purchasing them with Challenge Points.

I Like to Keep This Handy Kill 2 enemies with one shot with the shotgun

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Mech My Day Shoot the pilot out of a Hawk while it's on the ground.

Bada Boom Kill 50 aliens with explosive weapons.

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

Velocity: On Final Approach Unlock either Jump Nitrous PRO or Drift Tires PRO (Multi)

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.

Four Horsemen Win an Arena match as a Hunter

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

LUNATIC Finish the game in Insane mode

Tier 1 Completed the campaign on Tier 1 difficulty

MEAT IS MURDER Activate Bubby.

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

Challenge Domination Get a Gold medal on all single-player challenges.

Potter Reach rank 3 or higher in the Potter imp quest

Doomed Crafted an Angry Ghost

Because it’s tradition Find the sheep.