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Rise and Fall After an uruk kills you to become a Captain, help him become a Warchief, then kill him.

Chose Afterlife Entered the Infraworld.

Gentleman Cambrioleur Lockpick 20 chests.

It Took Two You did it! CO-LLA-BO-RATION!

Excessive Force Destroy a Titan with your Burst Core in the Campaign

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Fireproof Complete the Screw of Archimedes without getting hit by the Fire Traps

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Practice Makes Perfect Fully develop any skill.

Darkness Looms Complete the final mission of the Missing Persons Investigation

Bacon! Kill a razorback boar using a Molotov cocktail

Sea Legs Complete all naval contracts.

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Power Cycle Participate in 5 different City Games

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Don't Mess With the Money! Complete Bank Heist quest.

Burning Vengeance Perform an Execution on a flaming Berserker.

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Found Cohen's Room The player has entered Sander Cohen's personal quarters

To crush all trophies beneath sandaled feet For completing all trophies

Petrol Head Drive at least thirty different vehicles.

Black Sheep Every family's got one.

Arkham City Sirens Drop in on an old friend

Touch My Rear Use the rear touch pad to climb a rope or chain.

Butcher Perform 200 Glory Kills

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Down Boy! Kill a zip-lining enemy player in multiplayer.

No Power in Numbers Help a Captain survive a Recruitment Power Struggle, and then kill him and all his new recruits.

Hot Mess Defeated Kane

Geolocated Check in at every Hotspot

Casual Girl Ordered a pizza, watched some TV and wore something casual.

The Chosen Few Uncover the remains of all Jacob's disciples

Time Paradox Kill Makarov and complete your mission

Stinking Rebels Brand 5 Bodyguards of a Warchief, turning them against him in combat.

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

"This Guy Is Really Good" Score 200 points at the shooting range.

Bug Sized Relaxation Release that tension at the root level.

Quiet Time Find the best seat in the house

Lubed up Complete the slide in the Statue of Apollo without dying

Research PhD Max out all possible research

Book Him! Complete Ghosts from The Past quest.

Revoking Client Privileges Complete the final mission in the Human Traffic Investigation

Faraway Frequencies The truth was out there all along!

The Man in the High Tower Find and use the hidden cache in 'Heat'.

Safe and Secure Perform all Social Club missions in a district.

Saturday Night Special Complete the final mission in the Weapons Trade Investigation

Peephole Complete every Privacy Invasion

Stay Down You farted on 10 enemies in the world that were knocked out.

Basest Base Complete every Gang Hideout

Patron of the Arts Watch a play in the Café Théâtre.