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Green Thumb Mow the lawn 10 times.

Shotgun Epic Fail Killed 25 Ghosts with their own weapon

How's It Hanging? Clean up the Dry Docks

Madness Prevails Complete the Game on Nightmare Difficulty

Vale Runner Run between the Fertile Grounds in the Construction Yards and Heaven's Stair in 6 minutes.

City of Light Runner Run between the Fertile Grounds in the Tower of Ahriman and City of Light in 7 minutes.

Eggsellent! Egg 25 cars.

Uncovering the Truth Cold Darkness Challenge: Collect all 8 documents

The (Expert) Bicycle Thief Jack 20 bicycles.

Mass Murder Defeat the Crow Golem

Heart-Shaped Snack Complete a Health Upgrade

Everyone wears masks Find the Black Mask

Little Angel Complete 20 Errand missions.

Bountiful Survive 3 days holding a bounty of $250 in all states.

Speed Freak Complete Carnival Go Kart Races.

Jaws of Shadow Complete 25 Caragath Stealth Kills.

Senior Complete Chapter 4.

A Job Well Done Complete 25 Multiplayer Milestones.

Filet Minions Sever 4 enemies in one encounter

The Wheel Deal Perform 200 wheelies on the bike.

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

Aerial Master Got 6 enemies airborne at once

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Marathon Travel 100,000 meters on foot.

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

Seeds of independence Liberate 500 slaves.

Pulling His Strings Defeat the Dollmaker without taking any damage.

Graduate Complete Chapter 5.

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Boy Genius Complete all 5 classes for every subject.

One Hand Tied Behind Your Back Take no damage in a 4 enemy fight

Twice Nightly Complete New Game Plus

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

Skate Pro Travel 50,000 meters on the skateboard.

Painting the Town Red Complete all Radula Rooms

Clan War With your clan, face off against another clan in conflict.

The Path Unseen Breach a Secret Blind Barrier

Nice And Relaxed Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.

Blender Killed 200 enemies with Claw Spin

The Last Laugh The joke's on who?

Glass Dismissed Break 300 bottles of the shooting gallery.

Parachute Climber Open the parachute and then land on foot 300 meters above the starting height.

Pole Position Complete go kart street races.

A Dominating Presence In multiplayer, boost 100 allies with the Officer commands.

Momma's Boy Complete 30 Errand missions.

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

Family Memories Fond and Faded Find all Liddell Memories

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

Best of the Best Invest in each type of upgrade available for a specialization.