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

A Precursor In the Poker Room of Prison, kill all 3 enemies with headshots before slo-mo ends

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

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

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

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

Field Surgeon Perform Revival 25 times in Infestation.

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

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

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

Sweet Melody Capture a creature that creates a beautiful melody.

Stalwart Wander Max out HP bar

Bug Hunt Finish at least one wave on each map in Infestation.

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Cleanest Hands You completed The Brigmore Witches without killing anyone

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Deft Digger Capture a creature that loves to dig holes in the ground.

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

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

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

Master of Masters Reach master rank 200.

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

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

Curly Wolf Finish the game on hard difficulty.

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

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

Silence is Golden You completed The Brigmore Witches without alerting anyone

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

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

Celestial Illusion Capture a fantastical creature that floats through the sky.

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)

Collector Acquire all items available in normal time attack

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

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

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

Home Wrecker Use 50 pieces of interactable cover.

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.

Creatures of the Earth Capture a hole-digging creature from every region.

Yo, Adrian! Find something worth punching!

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.

Salute Me Achieve the rank of Lieutenant.

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

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.

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

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