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Silence is Golden You completed The Brigmore Witches without alerting anyone

Horsepower Completionist Gain all stars in 'Horsepower'.

Strangelove's Thoughts Read all of Strangelove's memoirs.

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

Hooligan Get 100 % of the Breakables from all Missions in Story Mode.

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

Music Lover Collect all harmonica melodies in the SAM'S STORY chapter.

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

Mixed Messages Take a picture with elements of horror, brutality, outtake and erotica in a single shot.

RPM Completionist Gain all stars in 'RPM'.

The Hunted Becomes the Hunter Kill 5 Walkers in the Cabot Ridge Creek Bed

On the Clock Completed the training in Through the Eyes of Evil in under 18 seconds

A for effort Attain a Time Trial star rating of 35

Elements Completionist Gain all stars in 'Elements'.

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

Headshot Bonanza Complete "Headshot Bonanza" challenge

Out of the Bush Complete "Out of the Bush" challenge

Together Till the End Be the last man standing

Petrolhead Buy all of the Vehicles from the Garage

Provocateur Collected and assembled the Battledress of the Provocateur. ("Leliana's Song" downloadable content)

Lore Master Get 100 % of the Observables from all Missions in Story Mode.

Seal the Deal Complete a Triumph Seal.

Technological Terror Destroy a "harvester."

GD Parkour Instructor Complete all Parkour Fever Challenges at night

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

Bug Spray Earn the Distinguished Flying Service Cross

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

That's a Wrap! Unlock all 13 Movie Challenges

Breach Apprentice Win your first Breach match.

A Reservist Manually deploy Troops in 5 different Campaigns.

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Heavy Medals Earn All Medals

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

How You Doin'? Learn the Charisma Skill.

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Quite a hammering Kill 50 enemies with a warhammer

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

Keeper of the Vigil Saved Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)

Utility Man Complete all Missions intercepted from cellular tower signals

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Atomic Obliteration - Complete all the Challenges

Moneybags Have 15000 credits in the bank in Outbreak.

Poly Cruncher Complete "Poly Cruncher" challenge

Interception Grapple to an Agent who's reeling through the air, and reel-kick them

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

The one and only Lord Become the most powerful being on Vertiel

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Duel Master Win 20 Duel PvP matches.