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Cleanest Hands You completed The Brigmore Witches without killing anyone

Do you even Exo? Exo Melee kill 10 zombies in 30 seconds in Outbreak.

Rally Evolution Win a DiRT Tour race in a Rally car from each decade

The Learn'd Scholar When the proofs, the figures, were ranged in columns before me...

Apex Predator You performed a takedown on Burke without being detected.

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

All of the Above You managed to save Dr. Kavanagh and all the prisoners, too.

That Old Adage Apparently, your CASIE augmentation doesn't work on everyone...

Cheapskate Acquire the exo suit without spending any money in Outbreak.

Denied Defeat a boss before it can escape.

Never Forget You revisited the site where Belltower discovered and captured you.

Hired Gun Complete 20 Contracts in MWZ

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

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

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

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Firestarter Destroy all the Winter Shards and light all the fires in the Old Temple.

Spliced Complete the "Wrath of the Machine" raid.

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

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

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

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

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.

Silence is Golden You completed The Brigmore Witches without alerting anyone

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

Self Preservation Society Win a DiRT Tour race in the Mini Cooper without receiving any damage

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

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

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

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

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

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

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

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

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

Go for Gold! In Onslaught, acquire seven gold chalices

Sub Zero Hero Achieve a podium finish in the Winter X Games Tournament

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

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

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

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Moneybags Have 15000 credits in the bank in Outbreak.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Limp Home Finish three sectors of a Stage with a flat tyre