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

Qi Gong: Mind Receive the highest XP-based shrine reward for the first time.

Hoarder Find all Journals, Comics, and hidden Weapon Upgrade Tokens.

Ultimate Trump Card Obtained all Master Arts for Joker.

24 hours in Paradise on a bike Awarded for spending a full 24 hour day and night cycle riding a bike.

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

Twice Nightly Complete New Game Plus

Build in Sight Complete Chapter 12 - The Con in Construction

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

A Lady's Blood in the Snow Kill Kuroki at the end of the Museum.

This Is Ghana Be Good Complete the level "Ghana – Pursuing James Rutland"

Call Roadside Assistance Lose a race running out of fuel

Thousands of candles Defeat the Guardian

Tactical distractor Distract 20 enemies with flint or rocks

Get A Life Get A+ on all the chapters

Juggler Kill 30 enemies while they're falling through the air.

Rolled Over You managed 5 car rolls in a row from one crash.

Killing Frenzy Kill 20 enemies in 60 seconds.

Counterintuitive Perform 20 Counter Attacks.

Untouchable Complete a Chapter without losing any health.

Love/Hate Relationship Taunt AND/OR Compliment 50 gang members.

They Go "Boom" Get 30 kills with the Magnum secondary fire in the single player Campaign.

Armor Piercing Kill a tank driver with the Quantum Aperture.

Flash Car Build up the brick multiplier to activate the super car

King of Adventure Discovered all of the treasure chests

Locked and Loaded Develop 300 or more development items.

"You wanna stay, shut your mouth." Make it to the party as Tyler.

I can do anything I want. I got guns Complete the weapon mastery for 3 weapons.

Minimalist Reach the Watchtower without throwing more than 3 balls.

Long way down Throw an enemy off one of the bridges (Mission 8)

Triple Tete Arm yourself with three of the same head.

I'm ahead! Beat one of your friends' scores in a Challenge

Yumigami Learn how to use Crescent.

What Doesn't Kill You... In story mode, successfully parry 10 attacks in a row in one minute or less.

Become A Ninja In No Time Komplete The Basic Tutorial

This is no Sunday School picnic! Complete the Campaign on Hard difficulty.

Do. Or Do Not. There is no Try. Play as all launch heroes in Multiplayer.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Covered in Blood You met Bonnie Harless

The Fat and the Furious Complete a Continuous Speed Run as Doughnut Drake

Ultimate Protection Complete Chapter 14 - Savings and Loans

Trophy Addict Unlock All Trophies

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Great Sage Equal of Heaven Complete all chapters on Hard.

Back to Blackwell's Complete Chapter 13 - Secrets

End of the 'lein' Find and kill the visiting General (Mission 3)

Dark Zone: Extraction Extract an item from each dark zone.

City Saviour Complete Chapter 15 - Far Above the Call of Duty

Out of this World Complete a kitchen in Cosmic Canteen