Aser

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

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

Survivor Survive until Round 25 in Outbreak.

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

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

Finale Unlocked the Ending Movie

Breathing Room Kill a Viper who is strangling a squadmate

All Aces Played multiplayer mode for the first time.

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Room to Grow Upgrade a facility

Go Figure Plant ShadowChild's figurine.

Painting The Scenery Completed Mission 08 in campaign mode.

Help Desk Get the Blade lobby desk clerk to help you bypass security.

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

Extract The Data... Get the data that Pritchard is after from within the Palisade Blade.

Expose The Truth! Decide what to do with the evidence you uncovered.

Interior Decorator Obtained 10 pieces of furniture.

City Planner Use the district tool to draw 3 districts

Traces of a Hero Completed a story.

Muppet Mastery Complete The Muppet pack's story

Tinker Build an experimental item in the Proving Grounds

Car Explosion Cause an enemy to die in a car explosion

A Horrible Truth Recover the Blacksite Data

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

With Extreme Prejudice Skulljack an ADVENT Officer

King in the North Complete all Final Stand Assignments

Say Cheese Took a picture using the Musou Snapshot feature of the Gala Mode.

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Distortion Completed Mission 09 in campaign mode.

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Right on Time Earned Gold in all Time Rallies in Mission Challenge

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

Murder He Wrote Find all pieces of evidence behind the Saridakis murder.

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

A Just Cause Decide what to do with the Altered Biocell.

Joy of Painting with Bomberman Claim 130 or more tiles in a Local Zombie match against 3+ CPU players.

The circle is now complete Get to Rank 100

Knock Knock Get Slaw to open the security door within the Palisade Blade.

Too Hot to Handle Complete the server chamber area without being detected by any HeatEye cameras or enemies.

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Rolling in Dough Earn 15,000 per week

Heading Places Completed Mission 10 in campaign mode.

Legend of Wei Completed the story of Wei.

A Grim Key Recover a Codex Brain