Flux-Entropy

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.

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

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

An Exceptional Accomplishment Complete Story Mode at Realistic difficulty.

Taking Flight In Gorod Krovi, ride a Dragon.

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

Brawl Master Win 20 Brawl PvP matches.

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

Wishing for the Best Complete the "Last Wish" Raid.

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

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

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

This Is How Hot Dogs Are Made 10 Walkers Killed with Saw Blades in the Logging Camp

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

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

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

Undiscovered Truths Find all the intel hidden in Nightfall.

Burgertown Escort Service Rescue 1 survivor in Infection.

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

You're On Fire! Get 5 Kill Streaks of 5 kills in Elimination or Skirmish in PvP.

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

Come On And ... Slam 10 zombies at once in Outbreak.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Faith in the Fallen Take a leap of faith

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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

ARCHIVIST Collect all documents

Safety Warning Escape from a grinder hazard on the grind stage

Alright, Alright Survive until round 10 in Infection.

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

Legendary Hero Reach Reputation 5 with any Hero.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Survivor Survive until Round 25 in Outbreak.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Like Killing Ants Kill 5000 soldiers.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Have a Nice Trip! Kill a Walker That Is Falling Due to Dismemberment

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Heads Up! Kill 25 Heroes by attacking them from above in PvP.

Painting The Scenery Completed Mission 08 in campaign mode.

Say Hello to My Little Friend Complete a Marked Map Destination Using Only Firearms

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

GOO GOO GA GA Perform your first Babality

Elimination Master Win 20 Elimination PvP matches.

I've Got Your Back! Save an ally 50 times in 4v4 PvP matches.

Dark Offering Make an offering to The Bone Lord.

Muppet Mastery Complete The Muppet pack's story

Guys Night Out Arrive at Final Destination with Only Male Survivors