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Rack 'em and Hack 'em Successfully trigger all bonuses on 5 hacker puzzles in a row.

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

The Last Laugh The joke's on who?

The Root Of Corruption Open The Well Of Souls

Love is the Fifth Dimension Marry your friends.

No Tank You Defeat a Grungarian tank before it reaches your base in any level. (Any Mode)

Racing and Pacing Finish the game in five hours.

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

Queensberry Rules Perform a 4-hit combo with your bare fists in End of Zoe.

A Stroll In The Demonic Park Complete the game on any difficulty setting

The Big Boss Defeat Absalom

Death Incarnate Complete the Game on APOCALYPTIC

Retreat From Fire Cause the Alien to retreat using a molotov

Every Woman for Herself Finish the game without saving anyone using Jill.

Milk Tooth Earned 1 Skull Tooth.

Family Memories Fond and Faded Find all Liddell Memories

Weapons of choice Find all off-hand weapons

Lore keeper Gather all collectibles

Stranded Crash-landed on peak Delta

Item Connoisseur Obtain a Rank S Item in Scenario Campaign Mode.

Oversight Become Overseer

Master Architect Build three houses

Blood Master's Trophy Obtained Best Weapon by Suckerstone

Meat and Greet Complete mission “Enter the Psychoscape”.

Keep your distance Find all ranged weapons

Seasoned Campaigner Pepper All Snouts in the Game

Swiped clean! Save all the Teensies in one world to win a Diamond Cup

I Had To Put Him Down Kill a Caragath with an Execution.

Master of Hexes Learn all hexes

Everything Fit to Remember Find all Memories

Twice Nightly Complete New Game Plus

No Key For Me Clear the Millennium Tower stage without the boot-up key in Scenario Campaign Mode.

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Ding! You took a little elevator ride.

Time Out Assign a settler to a pillory

Congratulant's Trophy Obtained Best Weapon by Faintstone

Master of Sorcery Learn all sorceries

King of Adventure Discovered all of the treasure chests

Locked and Loaded Develop 300 or more development items.

Shade Master's Trophy Obtained Best Weapon by Cloudstone

Zurgo's Revenge Restore all Planetary Defense Centers and discover Zurgo's intentions. (Campaign)

Spreading the Word Collect over 50 Guild Cards.

What If I... Dive Down? Finish Operation Windwalker

Sociopathic Networker Talked to all of Claptrap's Holographic Projections.

Poison Master's Trophy Obtained Best Weapon by Mercurystone

The tools of the profession Find all melee weapons

I'm ahead! Beat one of your friends' scores in a Challenge

And Embrace What You've Become Install at least one experimental augmentation.

The Angelic Ruins Completed the larger challenge in The Angelic Ruins coliseum