DaveEarley

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.

GD Parkour Instructor Complete all Parkour Fever Challenges at night

First Blood Finish a round of Last Stand

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.

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

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

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

Atomic Obliteration - Complete all the Challenges

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

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

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

Electric Whisper Learn how to craft Electric Arrows

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

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

Utility Man Complete all Missions intercepted from cellular tower signals

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

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

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

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

Happy Trails Complete By the Trail of Our Dead

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

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

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

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

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

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

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Professional Reach Rank 10 (Ranked Match)

New Superpower Complete all China Rising Assignments

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Rare and Exceptional Purchase Armor, a Charm, or Vanity Gear from Masujiro the Melodious in New Game+.

Undiscovered Truths Find all the intel hidden in Nightfall.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

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

Hot Pants Complete I Now Know Why You Cry

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

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

Ladies Night Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

Oh Yeah!!! Complete Nothing is as it Seems

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

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

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

Street Fighter Complete all Dragon's Teeth Assignments

The third faction Rescue all the Buddies from their respective predicaments

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

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.