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That mine you found? Disarmed! Spot a mine which is later defused by another Engineer

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Elevate Your Senses! Activate the Fly Trap. (Map Pack 3 only)

Moving Ahead Win 6 Bonus Rounds.

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Full Master Earn all Gold Medals available in Mastery Challenge

Hired Gun Complete 20 Contracts in MWZ

Suicide mission Eliminate a guard with a booby trapped clone

A Joyful Nurse Revive 1996 players as Support in Multiplayer

Red Barrels Explode all the red barrels on the rooftop while in a helicopter

The creator Finish Mission 4

Dose of his own medicine Kill a torturer in a duel

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Pros Only Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.

Pretentious Do not use any item during a mission

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Star struck Get 3 Stars on 10 different Echoes

Never Tell me the Odds Complete Endor on UNLEASHED difficulty.

Guerrilla Tactics Execute at least 25 different Skillshots in one Echo round

Well that was educational Collect all Audio Logs

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Racing and Pacing and Plotting the Course Win 80 different Race Events in México
54/80

High Five Spend a total of five minutes airborne.

Frequent Flyer BASE jump and travel more than 150 m with your parachute

Curly Wolf Finish the game on hard difficulty.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

D.I.Y. Escape with more than $2,500,000 in a round of either Arcade Mode or Multiplayer Ranked Match.

Celebrating 75 Acquired your 75th property

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Dance Off! Execute 30 enemies while holding them as human shield.

Z-Genocider 2: Genocide Harder Kill 53,596 zombies

Mental Unblock Get a 350000 Drift Score in Mental Block with Ken's car

The architect Finish Mission 5

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Bug Spray Earn the Distinguished Flying Service Cross

Conflagration Finish Mission 6

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Heavy Medals Earn All Medals

Death of Comedy Use every type of novelty weapon on a zombie

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Like looking through a wall Manage to disable three guards, or more, inside a clone's smoke bomb

Moneybags Have 15000 credits in the bank in Outbreak.

Must go faster Drive the Ranger Team's vehicle at top speed for 5 consecutive seconds

Flea Market Bought a property cheaply