AzuaIridium

A Life in Letters Collect all of the Royal Letters.

Forging Your Own Path Unlock the evil ending.

Riddle Resolver Solve 85% of Riddler challenges

Arch Villain Earn full negative Karma.

The Cleaner Complete the assassination side missions.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Lost And Found Uncover the secret of Arkham City

You Wouldn't Steal a Policeman's Helmet Hijack twenty police vehicles.

Sandstorm We are legion

With Great Power Comes Greater Power Unlock and purchase all powers.

Open Sesame Perform 10 successful Lockpicks

Most Unsporting Shoot fifty enemies before they shoot at you.

Without a Grudge Destroy 5000 destructibles with your carriage

Mentor Reach 100% Sync in the Main Memories

Hide And Seek A deadly game of hide and seek

Crack The E Nigma Solve every riddle on the island

World's Greatest Detective Spirit of Amadeus Arkham revealed

Pain Builds Character Finish the game on hard difficulty.

IQ Test Solve the first riddle

Master Assassin Earn every other trophy.

Ghost Train Fight for survival

Freefall Don't look down

Arkham City Sirens Drop in on an old friend

Exit Stage Right All the world is a stage

Pheidippides Run (move or sprint) at least 42,195 m

Don’t Go - Easy Finish Left Behind on Easy

Brick Master Win the brick throwing contest

Strong Reach Power Prof. Lvl 10

It's Alive! Create a Jomsviking

Incepted Climbed the Sideways Town

Hard Choices Complete the Grantebridgescire Arc

Harran Shooting Club Kill 50 enemies with shooting weapons

Trade Company Sell items worth 10,000 dollars

Fire Everything! Destroy a Titan with your Salvo Core in the Campaign

I'm Not Locked in Here With You Defeated the Reapers in Ash's Simulation Dome

Dust to Dust Defeated Ash

Stop the Clock Time is running out

Conundrum Rescue the first hostage from Riddler

Agile Reach Agility Prof. Lvl 10

Following the Footsteps Viewed Anderson's first Holographic Log

Everyday Life Complete 10 World Events

Everybody Knows Kyle Reach Survivor Rank lvl 12

Sightseeing Reach the Old Town

Secret Plans Completed Special Operation 217

Tranquility Complete a Standing Stone puzzle

Face My Might! Equip 8 abilities

Unlicensed Nuclear Accelerator Found the Arc Tool

Calling CQ Powered the Beacon

Broken Toys Destroy it all

4 Bars Retrieved a working Uplink Module