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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

Ghost Train Fight for survival

IQ Test Solve the first riddle

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

Catch Find someone to play remote Batarang catch with

Mystery Stalker Reveal the mystery watcher

Pay Your Respects A moment of remembrance

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

All Together All party members come together

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

Brainteaser Rescue the fifth hostage from Riddler

Striker Learn the Jecht shot

Home Sweet Home Occupy The Relay Station (Valley Of The Yetis).

Night Survivor Defend The Relay Station And Survive The First Night (Valley Of The Yetis).

Builder Complete One Relay Station Upgrade Quest (Valley Of The Yetis, Single Player Only).

Power Strike Do 9999 damage or more in a single attack

Spiritual Hunter Kill A Yeti (Valley Of The Yetis, Single Player Only).

A Journey's Catalyst View "Eternal Calm"

Master of the Awakened Kill 5 Yetis (Valley Of The Yetis, Single Player Only).

Master Builder Complete All Relay Station Upgrade Quests (Valley Of The Yetis, Single Player Only).

Awakened! Complete The Valley Of The Yetis Campaign (Valley Of The Yetis).

Heartstrings View the "Underwater Date" scene

Genius Rescue all the hostages from Riddler

City of Assassins Identify Black Mask's assassins

On the run Escape the Town