Eirulan

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

Street Fighter Complete all Dragon's Teeth Assignments

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

Untouchable Emissary Reach the end of the game without a game over.

ARCHIVIST Collect all documents

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

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

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)

Golden Idol Perform every Single Player Skillshot in the game

Finale Unlocked the Ending Movie

Supernova Get 3 stars on each of the first 14 Echoes

Climbing the Ladder Reach level 5 in a career.

The Wanderer Manage three different clubs in three different countries in a single Career

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

AMG Completionist Gain all stars in 'AMG'.

The Bereaved Unlock Wendy

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

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

I Double Dare Ya Explore the catacombs after dark.

Lightning Emissary Reach the end of the game in 5 hours or less.

Maniac Get an S-Rank on all stages on Hard difficulty or higher.

Once a Parent, Always a Parent Welcome a child into the family.

Absolute Genius Finish all Free Play Games at Genius difficulty

YOU > Evil...Caves Conquer all Caves of Evil
with Kisuke and Momohime.

Closing the Book Defeated the redscale dragon from the Book of Apocalypse.

Muppet Mastery Complete The Muppet pack's story

That New Car Smell Buy a car.

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

Through the Fire and Flames Seek out and aid the lone knight in his fight against the dragons

Bleeding Knuckles Reach a lifetime score of 5,000,000.

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.

Insert Coin Complete all achievements in one game from The Arcade.

Insanity III Complete all three games in Mass Effect Legendary Edition on Insanity without changing difficulty

The Last Guardian Collect all other trophies.

King in the North Complete all Final Stand Assignments

The Traveller Acquired all trophies.

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

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

Bloodstrewn Skies Defeat 1,000 enemies in midair.

LEGACY Complete all recordings

Three Bagger Kill three worms with just one shot to bag this award (includes damage from oil drums and mines)!

Mastered the Elements Crafted Elemental Ammo

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

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

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

Sim-Author Write a book.