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Breaking and Entering Find a way into the secret base

SME Gain the ability to drive and fly all vehicles.

Well Done Endurance Challenge: Eat the meat of 5 birds, squirrels or rabbits that were killed with fire

Keep the Good Times Rolling Chain a 20-defeated combo in Slayers.

Master Archaeologist Endurance Challenge: Collect at least 10 Artifacts

Uncovering the Truth Cold Darkness Challenge: Collect all 8 documents

How's It Hanging? Clean up the Dry Docks

The Creative Assassin Complete the Contract Creation Tutorial.

One Way To Do It Endurance Challenge: Warm up from freezing by standing in fire

Spinning Leaf Cold Darkness Challenge: Get 5 headshots with the regular arrows in 1:00

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

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

Endless Hunger Consume 200 characters to boost your health.

Twice Nightly Complete New Game Plus

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

The Last Laugh The joke's on who?

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Children Of Blacklight Complete the Supreme Hunter Boss Battle.

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

Fast Reflexes Endurance Challenge: Destroy 3 ceiling spike traps after being caught in them

The Butcher Kill 50 characters in 5 seconds.

A Dinner for Two Endurance Co-op Challenge: Eat the meat of 3 wolves with your partner

Happy Camper Endurance Challenge: Survive for 5 days

Half-Truths Complete a mission without causing a single Military Alert.

Who Needs a Map? Endurance Challenge: Locate 5 crypts

The Cleaner Destroy 10 Military Bases or Infected Hives in New York City.

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

Run the Gauntlet Complete "Desperate Escape" on Professional.

Still Tastes Good Endurance Challenge: Eat the meat of 5 wolves that were killed with poison damage

Army of One Win 15 matches in Slayers.

Nature Retreat Endurance Challenge: Survive for 7 days

Back In Time... Complete Story Mode 100%

Quan-Tease Unlock Hidden Fighter "Quan Chi"

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

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

Great Outdoors Endurance Challenge: Survive for 10 days

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

On Instinct Complete the Mother Boss Battle.

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

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)

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

Eye of the Tiger Win 15 matches in Survivors.

Great Haul Endurance Challenge: Escape the forest after surviving 10 days, with at least 10 Relics

A New Profile Complete a Featured Contract.

Repossession Seize 50 vehicles from enemy hands.

The Team That Slays Together... Win 15 matches in Team Slayers.

Sisters of Athena Endurance Co-op Challenge: Kill a combined total of 25 enemies in a single Expedition