Here is the full list of all 64 Batman: Arkham City - there are Game of the Year Edition achievements.
Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)
Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack maps (as Nightwing)
Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)
Obtain 78 medals on the original Arkham City and Robin Bundle Pack maps (as Robin)
Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)
Obtain all 72 medals on the original Arkham City maps (as Catwoman)
Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddlers Revenge (as Batman)
Have 12 murderous dates with Calendar Man
Obtain all 108 medals on the original Arkham City campaigns (as Batman)
Obtain 72 medals on the original Arkham City campaigns (as Batman)
Obtain 36 medals on the original Arkham City campaigns (as Batman)
Obtain all 72 medals on the original Arkham City maps (as Batman)
Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge
Complete all 40 of the Catwoman Riddler grid items
Rescue all the hostages from Riddler
Rescue the fifth hostage from Riddler
Complete New Game Plus
Obtain 48 medals on the original Arkham City maps (as Batman)
Rescue the fourth hostage from Riddler
A moment of remembrance
Collect all of Batman's gadgets and upgrades
Retrieve your stolen goods
Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan
Use 5 different Quickfire gadgets in one fight (any play mode)
The joke's on who?
Defuse all bombs in 3 minutes or less
Zip Kick 5 different thugs
Clean up the Dry Docks
Destroy all Harley Balloons
Shield Bash 5 different thugs
Find a way into the secret base
No crimefighter should be without this
Reveal the mystery watcher
Track down the serial killer
Stop all assaults in Arkham City
Rescue the third hostage from Riddler
Stop the contract operative
Complete all augmented reality training exercises
Stop the phone booth killer
Rescue the second hostage from Riddler
Reunite the separated couple
Obtain 24 medals on the original Arkham City maps (as Batman)
Destroy it all
Rescue the first hostage from Riddler
Time is running out
All the world is a stage
Don't look down
Steal the score of a lifetime
Fight for survival
A deadly game of hide and seek
We are legion
Perform a perfect combo including all of Batman's combat moves (any play mode)
Uncover the secret of Arkham City
Stop the unstoppable
Last man standing
Solve the first riddle
Clear the airwaves
Drop in on an old friend
Complete one combat challenge without taking damage (any character)
Hammer the point home
There is only one way in
Save the medical volunteers
Save the damsel, but is she in distress?
Become the Bat