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Perhaps sooner, Perhaps later Defeat the Joker

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

Back to the Basement Complete the campaign.

Fight To The Last - Kill 1500 Helghast Killed 1500 Helghast

Jack of All Trades Acquire every perk.

Rough Justice Stop Penguin's escape from GCPD.

Feeding the Pig Singleplayer: In Compromised, get 15 kills with the M60

Trolled Completed every level in Mountain Highs

Bag Man Heist each bank once.

Hoverboot Madness Cross the gap leading to the Major Weapon Node in Korgon Refinery without touching the moving platforms. (Campaign)

''Get the crews to their fighters'' Destroy 100 TIE fighters
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"I'm just waiting for a sucker to beat." Complete 'Road Warriors' as Tyler.

The Semi-Pro Trophy Win 'The Semi-Pro Trophy' event in Tour on gold star difficulty.

Found Shun Find and free Shun

Time for Pints Finish the Campaign on any difficulty.

Ultra Extreme Fever Cleared all pegs in a level (Singleplayer Only)

Liberty City (5) Your friends all like you above 90%.

Best of the Bunch Earn the MVP award in any Online Tournament match

Crocodile Shoot three enemies while underwater in 'Wetwork'.

Back to School Play any Popit Puzzle whilst wearing a Newton costume

Look, I made this! Create a ship and share it

Friendly Skies Defeated all waves in The OPS Zeal.

Completist - Destroy everything on the MAWLR Destroyed every destructible weapon on the MAWLR while on foot and on the Intruder

Arctic Grave Push the chief witness into the ice lake in "Joe's Adventures."

Giant Slayer Defeat El Gigante in Separate Ways.

Double the Action Complete Campaign Mode In Co-Op Mode

Mass Production Produce 100 objects from your builders

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

Cock of the Walk Defeat an enemy using the Pollo Bomb

Safecracker Crack all safes.

Succession Plans Break into Hell's Gate HQ and apprehend Two-Face.

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

Skilled Complete A Mission Without Receiving Any Damage

Welcome To The Gun Show Collect all level 2 and level 3 firearm upgrades.

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Bear With Me Defeat 10 enemies as the bear

All Snug in Their Beds Uncover the secret history of the park.

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

"It" Kept You Busy Defeat Pesanta in Separate Ways.

Eye of the Tiger Win 15 matches in Survivors.

Free Bird Destroy 25 or more of Newton's robots

Accept This As A Gift Earn one of each favor.

Cave Cleaner Veteran Kill over 500 enemies

"I guess you love trouble..." Complete 'Wargames' as Tyler.

Cryptographer Break the code.

New Shadow In 'The Savior', complete the mission without being spotted

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

Free Flow Fifty Reach x50 Combo in the Main Story