Stop the unstoppable

Unlocked: 07 Oct 2013 19:57:30

Last man standing

Unlocked: 23 May 2013 17:20:38

Clear the airwaves

Unlocked: 22 May 2013 16:59:26

Rescue the first hostage from Riddler

Unlocked: 20 May 2013 17:51:59

Solve the first riddle

Unlocked: 19 May 2013 19:50:24

Drop in on an old friend

Unlocked: 18 May 2013 19:53:17

Hammer the point home

Unlocked: 18 May 2013 19:09:58

There is only one way in

Unlocked: 15 May 2013 17:55:30

Save the medical volunteers

Unlocked: 14 May 2013 16:55:57

Save the damsel, but is she in distress?

Unlocked: 13 May 2013 19:29:31

Become the Bat

Unlocked: 12 May 2013 17:24:13

Uncover the secret of Arkham City

We are legion

A deadly game of hide and seek

Fight for survival

Don't look down

All the world is a stage

Stop the contract operative

Track down the serial killer

Reveal the mystery watcher

Destroy it all

Stop the phone booth killer

Time is running out

Reunite the separated couple

Complete all augmented reality training exercises

Collect all of Batman's gadgets and upgrades

Stop all assaults in Arkham City

Rescue the second hostage from Riddler

Rescue the third hostage from Riddler

Rescue the fourth hostage from Riddler

Rescue the fifth hostage from Riddler

Rescue all the hostages from Riddler

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

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

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

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

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

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

Complete one combat challenge without taking damage (any character)

Complete New Game Plus

A moment of remembrance

Have 12 murderous dates with Calendar Man

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

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

Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddlers Revenge (as Batman)

Complete all 40 of the Catwoman Riddler grid items

Steal the score of a lifetime

Retrieve your stolen goods

Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

No crimefighter should be without this

Find a way into the secret base

Clean up the Dry Docks

The joke's on who?

Zip Kick 5 different thugs

Shield Bash 5 different thugs

Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan

Defuse all bombs in 3 minutes or less

Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Destroy all Harley Balloons