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Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

Glutton for Punishment Used Ironsides to collect 20 rounds of ammo or more in Burial at Sea - Episode 2.

It's Raining Cats and Hotdogs Completed a round using the Mutator.

The Last Laugh The joke's on who?

Shut Down Shut down an entire Tower Network

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

Silent Knight Complete a predator encounter using only silent takedowns in the Main Story

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

Twice Nightly Complete New Game Plus

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

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

One Rule Save a life

One down, several to go Complete a Most Wanted entry

Eye in the Sky Complete 21.

Arms Dealer Buy all items from the Survival Weapon Armory.

Wheely Fast Outran the Wheel in the Temple of Boom.

Big Tournament Completed each of the larger challenges in all 3 coliseums

Three birds, one stone Kill 3 enemies with one bomb

Butterfly Effect Get the bad ending in Daughters.

Swamp Warfare Stealth kill 5 enemies in End of Zoe.

Ratcatcher Find all the dead rats in Bedroom in a single play.

Promise Kept Complete End of Zoe on Easy or Normal.

The Whole Story Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.

Not kidding! Reach the podium in a total of 30 Quick Races (not unlockable in Split Screen mode).

Anyone see that? Complete a predator encounter without ever being spotted in the Main Story

A Friend in Need Play Co-op mode

Perhaps sooner, Perhaps later Defeat the Joker

The Crown Jewel Seek and destroy.

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

One Instinct: Survival Get the true ending in Daughters.

Friendly Skies Defeated all waves in The OPS Zeal.

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

All In Earn all available Trophies for Modern Warfare® 3.

Take the stage Validate a Track in Track Builder mode.

I need more! Get a total of 2,500 Gears.

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Free Flow Fifty Reach x50 Combo in the Main Story

Tell no one Meet the requirements of a Secret Event.

No Photographs, Please! Killed 10 SpyBugs before they took your photo.

Point to Point Glide across Bridge without touching ground

Like lightning Use the Boost for a total of 30 minutes.

The Gift that Keeps on Giving Experienced all 9 Game Modes and all 9 Modifiers of the Mutator.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Friends no more Complete a race in Split Screen mode.

Wild unpacker Open a total of 50 Blind Boxes.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)