Scavage

Worm for the Job Complete all Worm Ops missions.

Astrophysicist Complete all the Cross-Controller Pack Tutorials

Mark of the Assassin Defeated Duke Prosper, with or without Tallis. ("Mark of the Assassin" downloadable content)

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

Leaving a Fine Lookin' Fossil Hold a 'Proud Hero' pose to your demise, dressed in an Excavator outfit

Fairy King Defeat the Fairy Boss

Most Escape Alive In Blood of the Dead, escape

Objectives Complete II: The Completionist Complete all bonus objectives

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.

Crystal Clear Adventure Mode - Collect all possible crystals throughout the game

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

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

Assassin Vs. Machine You completed Train Runner before the train arrives at the station

Blackjack Subtle Evaded vault security in Chateau Haine. ("Mark of the Assassin" downloadable content)

Gotta Get Rifty Complete "Rifty Business"

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

Salt on the Senses Add the maximum amount of salt to your fries

Promising Buster Complete 5 levels with 3 stars

Taster Session Try all the game modes in Single Player Race

On A Roll Complete Fast Food without losing a ball

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

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

Commis Chef Complete the tutorials

Drop The Bald Defeat Lex Luthor.

Desecration Destroyed all graves in "Frontier Crypt"

Goal Driven Complete 10 Weekly Challenges.

A Well-Trained Dragon Blow up another player with a ridden Dragon fire ball

Amashilama Defeat Amashilama.

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

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

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

Wrecker Achieve a 5x Wrecking Streak in Rampage

Slaughterhouse Kill 50,000 total Enemies in MWZ

SO CLOSE Finish a level with less than 0.03 seconds to the next star rating

Third Eye Hit 20 opponents with weapons dropped as secondary weapons

Quelled Kokabiel Defeat Kokabiel and her spawn in the sacred En II Sanctuary.

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

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

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

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

London Calling Complete 50% of the Battersea Compound Missions

Indomitable Complete a tower run on Apocalypse difficulty.

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

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

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

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

Target Score Junkie! Beat the target score in every Chapter (Points Count Mode).

Bad Omen, Good Loot Complete 10 missions where the difficulty has been modified by a Raid Captain's Banner.

Ellag Defeat Ellag.