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

Made it Out Alive Escape 1st time in Regular or Hardcore difficulty.

VS Dural Face off against Dural in Arcade Mode (any difficulty level)

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

Chain Reaction You exploded 10 vehicles in 10 seconds.

The Last Laugh The joke's on who?

A Little Closure You investigated the cult's activities at Sammy's

Bronze Bullet For 15 000 fired bullets

Demolition Addict 500 destructible objects destroyed in total

The Scalpel Singleplayer: Achieve 20 total knife kills

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

Master Mechanic Fully upgrade all weapons in Campaign Mode

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

Creature of Habit You investigated the scene

Kickin' Up Dust You helped MJ and Roxy get the Witnesses free

Head Games Rescue Mad Hatter's second hostage.

Expanded Storage Get the XXL BOB

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

Cold Fusion Unlock Hidden Fighter "Cyber Sub-Zero"

Ain't Nowhere Safer You captured Slim Beaumont

Chain C For chain of 10 kills

Twice Nightly Complete New Game Plus

Silver Bullet For 20 000 fired bullets

Biff! Bap! KaPow! Kill three enemies in a melee combo.

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

Without a Scratch For finishing any mission without being hit (except shooting ranges and “Hawk Eyes - The Escort”)

Rolled Over You managed 5 car rolls in a row from one crash.

Electric Avenue Use the EMP to take down 25 drones

Hang in There Earn a Revival Master Boast 5 times

Spread The Love - Kill 5 Helghast at once using the WASP's secondary fire Killed 5 Helghast at once using the secondary fire mode of the WASP launcher

In Storybook Endings Lock up Mad Hatter in GCPD.

John R. For 3000 kills in total

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

Locked and Loaded Develop 300 or more development items.

Golden Bullet For 25 000 fired bullets

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Bring 'em to Justice Capture all warrants alive in single-player

Silent Partner Damage the same enemy in Cooperative Mode for 100 kills

The Fat and the Furious Complete a Continuous Speed Run as Doughnut Drake

Danger Close Kill 15 enemies with a zero G grappling hook.

Covered in Blood You met Bonnie Harless

Sandman Kill 5 Grims in a row with only headshots

I've Got You! Drag 9 unique allies to safety.

World's Greatest Detective Complete all case files in single-player

Access Denied Absorb 1000 damage with Auger Shields

Garden Dioxide As a Soldier, Vanquish 2 Players using a single ZPG strike

Need for Speed Achieve a Complete Speed Run Time of Less than 2 Hours and 30 minutes

Perfectionist Cold Darkness Challenge: Shutdown all the towers without making any mistakes

Making The Community Build and save any level created in Create mode

Pieces of History Collect all 33 mementos.