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Specter Officer Reach max level with one class in the Cooperative campaign.

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

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

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

Together Till the End Be the last man standing

GD Parkour Instructor Complete all Parkour Fever Challenges at night

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

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

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

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

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

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

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

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.

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

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

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

Gran Turismo Rally Complete the "Gran Turismo Rally" Special Event.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

Forever Marked Progress the story to unlock.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Bane of Thedas Handed victory to the archdemon by killing Ferelden's last Grey Warden. ("Darkspawn Chronicles" downloadable content)

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

Electric Whisper Learn how to craft Electric Arrows

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Salute Me Achieve the rank of Lieutenant.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Taking Flight In Gorod Krovi, ride a Dragon.

Vendetta Destroyed the career of Guard Captain Eams. ("Leliana's Song" downloadable content)

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Duct Tape FTW Create all combo weapons

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Hoarder Have a total of at least 150,000 points in Echoes Mode's total high score

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Professional Reach Rank 10 (Ranked Match)

Zombie Genocide Master Kill 72,000 zombies

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

The third faction Rescue all the Buddies from their respective predicaments

The First One is the Hardest Get your first 1,000,000+ combo

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Off My Planet Recover the Hyperwave Beacon.