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Communication Breakdown Clear the airwaves

Gladiator Last man standing

Wrecking Ball Stop the unstoppable

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

Hide And Seek A deadly game of hide and seek

IQ Test Solve the first riddle

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

Stop the Clock Time is running out

Conundrum Rescue the first hostage from Riddler

Broken Toys Destroy it all

Bargaining Chip Reunite the separated couple

Pick Pocket Steal the score of a lifetime

Dial Z For Murder Stop the phone booth killer

Mastermind Rescue the second hostage from Riddler

Forensic Expert Collect enough evidence to locate the gun for hire

Contract Terminated Stop the contract operative

Mystery Stalker Reveal the mystery watcher

Serial Killer Track down the serial killer

AR Knight Complete all augmented reality training exercises

Puzzler Rescue the third hostage from Riddler

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

Aggravated Assault Stop all assaults in Arkham City

Fully Loaded Collect all of Batman's gadgets and upgrades

50x Combo Complete a combo of 50 moves (any play mode, any character)

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Intellectual Rescue the fourth hostage from Riddler

Family Jewels Retrieve your stolen goods

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Brainteaser Rescue the fifth hostage from Riddler

Genius Rescue all the hostages from Riddler

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Lost Property No crimefighter should be without this

Breaking and Entering Find a way into the secret base

How's It Hanging? Clean up the Dry Docks

Twice Nightly Complete New Game Plus

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

The Last Laugh The joke's on who?

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

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

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

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

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)