DesertFox023

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

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

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

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

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

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

Terrible Terrible Damage! Inflict over 20,000,000 total damage.

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

This is Madness! Fighting is fun, huh? Well then, let's aim for 300 matches online fought, OK buddy?

Ambrosia for Two Take one of your comrades to the Taverna

Under Pressure Complete Breakpoint and Containment in Co-Op Campaign

Flyswatter Finished the lift battle in Chapter 2 without taking damage from Insecticons.

Trial of the Magician Travel Light on for "In Hushed Whispers": finish the quest.

Flag Stealer Steal the flag from the opposing team 5 times in a game of Transporter (Pro Tour)

Ellag Defeat Ellag.

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

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

Illithid Enclave Complete the quest: Illithid Enclave

But how? Get the armored car to drop without shooting at it in SLAUGHTERHOUSE. To complete this challenge, you will have to have played the heist from the start.

Die Hard End a time loop (Alive) after having taken (and healed) over 1000 damage

Goblins Defeat 500 Goblins

Think Like a Zombie Obtain a rating of 5 brains in any chapter of the campaign

All Clear: Shiva Clear all stages in single-player mode as Shiva.

Super Axiom Verge 2 Turbo DX Plus Perform Indra's Secret Spinning Typhoon Crane Leg Kick.

Glamor Shot Get featured in the Best Play 3 times

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

Devils Defeat 500 Devils

Blastfighter Complete a mission with all parts of the SWAT-12 shotgun equipped.

Beverage and Fries Complete 6 Combos in a single level

Initial Deposit Insert a cash box into a cashout station

Most Wanted Reach reputation level 100.

Twisted Achieve a total of 50 Perfect Reverts

Trying to Get "Trial and Error"? Kill yourself 1000 times.

Shinobi Bypassing all 3 consoles before raising the alarm, beat DIAMOND HEIST on hard or OVERKILL difficulty. To complete this challenge, you will have to have played the heist from the start.

Chasing the Game Lured and killed an alpha wyvern near Chateau Haine. ("Mark of the Assassin" downloadable content)

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

Bully Defeat an opponent who is Grabbed by your team-mate

Fire Watch Have 5 Fire Stations

Lizardfolk Defeat 500 Lizardfolk

Bada Boom Kill 50 aliens with explosive weapons.

Jonesing for Relics Return all the Relics to the Museum in single player

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

Brick stacker Place 66 bricks in endless survival challenge.

Oh, My Bad Kill your friends 1000 times.

Devastation! Have 10 times more kills than deaths in a single game of Annihilation.

High Stakes Win a run on at least Gold Stake difficulty

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

A Better Human Being Recover the Forge Item

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

Wizard's Diploma Beat the five base Challenges on Normal difficulty.