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No Zombies in the Vents Unlock the secret shortcut.

Press The Serpent Expose the flaws in the code.

Siege the Day Complete Immora (Ancient Gods 2)

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

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

Hedging My Bets Do as you're told (for now).

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

First! Free Garrett.

Hypersonic Complete all Secret Encounters in a single save slot (Ancient Gods 1)

Walk in the Park Complete the game on hard using hardcore mode

I never doubted you! Win 10 Rounds of Infiltration

Horsepower Completionist Gain all stars in 'Horsepower'.

Thrillseeker Unlock Carnival of the Dead

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

Silence is Golden You completed The Brigmore Witches without alerting anyone

Trine 2 Hard Earn all Trophies in Trine 2

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

Silence The Serpent Do not allow the serpent to fill you with doubt.

Rest Your Weary Fists Kill the Dark Lord (Ancient Gods 2)

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

Changed My Mind. It is never too late to accept Elohim's forgiveness.

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

A Good Listener Listen to all she has to say.

RPM Completionist Gain all stars in 'RPM'.

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

A New Protagonist Earned the top ranking in the Friendly Match.

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

Elements Completionist Gain all stars in 'Elements'.

A for effort Attain a Time Trial star rating of 35

Go for Gold! In Onslaught, acquire seven gold chalices

Dressed for the Fest Collect all of the boy's costumes and equip them.

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

Collector Acquire all items available in normal time attack

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

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

Technological Terror Destroy a "harvester."

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

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

Deal With The Deceiver Strike a deal.

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

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Take It With You Internalise the voice of doubt.

Moneybags Have 15000 credits in the bank in Outbreak.

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'.

Turkey Shoot Reach combo level of 20.

Backwards & Forwards Complete ALL levels in N. Verted mode

Around and Around We Go Perform every level interaction once

Single Impact Defeat The Scale

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