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The Scene of the Crime Rescue Mad Hatter's first hostage.

Bringing the Pain Defeat 50 players using physical attacks in Versus.

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

The Last Laugh The joke's on who?

Blast Corps Kill 30 enemies with explosion damage.

Into the Den Complete story mission 6.

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

Career Criminal Attain 100% Game Completion.

Danger Zone Buy all items from the Survival Air Support Armory.

A Just Cause Complete story mission 7.

Head Games Rescue Mad Hatter's second hostage.

Twice Nightly Complete New Game Plus

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

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

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

In Storybook Endings Lock up Mad Hatter in GCPD.

Killing Frenzy Kill 20 enemies in 60 seconds.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Light Seeds Master Collect 1001 Light Seeds.

Certifiable Earn Veteran status for your Certified Item

The Demon Lives Again! Follow the assassin's trail.

Arms Dealer Buy all items from the Survival Weapon Armory.

Conqueror of Panau Complete 9 stronghold takeovers.

Treehouse Adventure Complete Petrified Tree

His Full Attention Freedom Cry - Achieve 100% synchronization

The Beast Beneath Defeat the prisoners.

Wretched Retch Use a Wretched Graug's Projectile Vomit on an Uruk Captain or Warchief.

Paint Splurge Fire 5,000 paintballs

Breaking the Skin Gain access to the high security area.

Evolution Lockup Killer Croc in GCPD.

Daughter Of The Demon! Discover the Lazarus pit.

Architect Share a Blueprint with your Co-Op partner.

Ashes to Ashes End the League of Assassins' war.

Cold Case Interrogate the Militia Lieutenant.

Dropping Acid Dissolve 50 enemies with acid.

Out in the Cold Track down the cryopod.

The Resurrection and the Life Survive the Militia onslaught.

Sword Master Perform 14 hits in one combo.

Run the Gauntlet Complete "Desperate Escape" on Professional.

There's Always Peng! Find Peng.

Rattle the Hive Bait 10 Ghûl mounds.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

T-Bone: Friends in Need Complete Act 1

Overachiever Earn 48 stars in Special Ops Mission Mode.

Majestic Create and export 10 videos using the Rockstar Editor or enter Director Mode 10 times.

The Crown Jewel Seek and destroy.

Army of One Win 15 matches in Slayers.

Rexecutioner Destroy the Metal Gear REX boss

Rough Justice Stop Penguin's escape from GCPD.