Have 12 murderous dates with Calendar Man

Unlocked: 03 Sep 2012 22:17:59

Complete New Game Plus

Unlocked: 26 Aug 2012 06:26:25

Rescue the third hostage from Riddler

Unlocked: 23 Aug 2012 06:02:22

Collect all of Batman's gadgets and upgrades

Unlocked: 23 Aug 2012 05:46:37

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

Unlocked: 16 Aug 2012 03:11:53

Rescue the second hostage from Riddler

Unlocked: 15 Aug 2012 00:59:19

Stop the contract operative

Unlocked: 22 Jul 2012 14:08:49

Collect enough evidence to locate the gun for hire

Unlocked: 22 Jul 2012 13:59:20

Track down the serial killer

Unlocked: 20 Jul 2012 21:27:34

Stop the phone booth killer

Unlocked: 14 Jun 2012 16:06:18

Rescue the first hostage from Riddler

Unlocked: 04 Feb 2012 01:10:00

Reunite the separated couple

Unlocked: 04 Feb 2012 01:02:28

Stop all assaults in Arkham City

Unlocked: 04 Feb 2012 00:51:54

Solve the first riddle

Unlocked: 03 Feb 2012 01:07:10

Reveal the mystery watcher

Unlocked: 10 Dec 2011 22:53:44

Find someone to play remote Batarang catch with

Unlocked: 10 Dec 2011 22:51:07

Complete all augmented reality training exercises

Unlocked: 10 Dec 2011 22:42:49

Destroy it all

Unlocked: 09 Dec 2011 22:11:39

All the world is a stage

Unlocked: 09 Dec 2011 20:51:20

Don't look down

Unlocked: 09 Dec 2011 20:25:53

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

Unlocked: 09 Dec 2011 20:08:24

Fight for survival

Unlocked: 08 Dec 2011 22:02:51

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

Unlocked: 08 Dec 2011 21:15:03

Time is running out

Unlocked: 08 Dec 2011 02:21:55

A deadly game of hide and seek

Unlocked: 08 Dec 2011 02:03:57

We are legion

Unlocked: 06 Dec 2011 21:35:51

Uncover the secret of Arkham City

Unlocked: 06 Dec 2011 21:03:09

Stop the unstoppable

Unlocked: 03 Dec 2011 23:35:16

Last man standing

Unlocked: 03 Dec 2011 22:10:03

Complete one combat challenge without taking damage (any character)

Unlocked: 02 Dec 2011 23:02:22

Clear the airwaves

Unlocked: 02 Dec 2011 22:31:47

Hammer the point home

Unlocked: 26 Nov 2011 01:53:49

There is only one way in

Unlocked: 26 Nov 2011 01:21:00

Answer a ringing phone

Unlocked: 25 Nov 2011 20:57:08

Answer the call for help

Unlocked: 25 Nov 2011 20:45:59

Save the medical volunteers

Unlocked: 25 Nov 2011 20:27:42

A moment of remembrance

Unlocked: 25 Nov 2011 20:15:01

Save the damsel, but is she in distress?

Unlocked: 25 Nov 2011 19:51:55

Become the Bat

Unlocked: 25 Nov 2011 19:33:49

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)

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

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

Retrieve your stolen goods

Unlocked: 09 Dec 2011 21:53:39

Steal the score of a lifetime

Unlocked: 08 Dec 2011 22:28:30

Drop in on an old friend

Unlocked: 26 Nov 2011 02:20:02

Complete all 40 of the Catwoman Riddler grid items

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)

Destroy all Harley Balloons

Unlocked: 10 Feb 2013 07:36:24

The joke's on who?

Unlocked: 09 Feb 2013 08:00:03

Defuse all bombs in 3 minutes or less

Unlocked: 09 Feb 2013 07:54:57

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

Unlocked: 09 Feb 2013 07:39:37

Clean up the Dry Docks

Unlocked: 09 Feb 2013 07:37:47

Find a way into the secret base

Unlocked: 09 Feb 2013 07:13:04

No crimefighter should be without this

Unlocked: 09 Feb 2013 06:49:03

Shield Bash 5 different thugs

Unlocked: 09 Feb 2013 06:43:21

Zip Kick 5 different thugs

Unlocked: 09 Feb 2013 06:39:10

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

Unlocked: 09 Feb 2013 06:35:59