| Achievement | How to unlock
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| 50x Combo | Complete a combo of 50 moves (any play mode, any character).
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| Acid Bath | Save the damsel, but is she in distress?.
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| Aggravated Assault | Stop all assaults in Arkham City.
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| AR Knight | Complete all augmented reality training exercises.
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| Bargaining Chip | Reunite the separated couple.
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| Brainteaser | Rescue the fifth hostage from Riddler.
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| Broken Toys | Destroy it all.
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| Bronze Revenge | Obtain 24 medals on the original Arkham City ranked maps (as Batman).
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| Campaign Bronze | Obtain 36 medals on the original Arkham City campaigns (as Batman).
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| Campaign Gold | Obtain all 108 medals on the original Arkham City campaigns (as Batman).
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| Campaign Silver | Obtain 72 medals on the original Arkham City campaigns (as Batman).
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| Catch | Find someone to play remote Batarang catch with.
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| Chimney Sweep | There is only one way in.
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| Communication Breakdown | Clear the airwaves.
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| Contract Terminated | Stop the contract operative.
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| Conundrum | Rescue the first hostage from Riddler.
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| Dial Z For Murder | Stop the phone booth killer.
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| Distress Flare | Answer the call for help.
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| Exit Stage Right | All the world is a stage.
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| Flawless Freeflow Fighter 2.0 | Complete one combat challenge without taking damage (any character).
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| Forensic Expert | Collect enough evidence to locate the gun for hire.
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| Freefall | Don't look down.
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| Fully Loaded | Collect all of Batman's gadgets and upgrades.
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| Gadget Attack | Use 5 different Quickfire gadgets in one fight (any play mode).
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| Genius | Rescue all the hostages from Riddler.
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| Ghost Train | Fight for survival.
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| Gladiator | Last man standing.
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| Gold Revenge | Obtain all 72 medals on the original Arkham City ranked maps (as Batman).
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| Gotham Base Jumper | Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.
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| Hide And Seek | A deadly game of hide and seek.
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| I'm Batman | Become the Bat.
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| Intellectual | Rescue the fourth hostage from Riddler.
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| IQ Test | Solve the first riddle.
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| Lost And Found | Uncover the secret of Arkham City.
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| Mastermind | Rescue the second hostage from Riddler.
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| Mystery Stalker | Reveal the mystery watcher.
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| One Armed Bandit | Hammer the point home.
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| Pay Your Respects | A moment of remembrance.
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| Perfect Freeflow 2.0 | Perform a perfect combo including all of Batman's combat moves (any play mode).
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| Perfect Knight - Day 2 | Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddlers Revenge (as Batman).
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| Puzzler | Rescue the third hostage from Riddler.
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| Ring Ring | Answer a ringing phone.
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| Sand Storm | We are legion.
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| Savior | Save the medical volunteers.
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| Serial Killer | Track down the serial killer.
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| Silver Revenge | Obtain 48 medals on the original Arkham City ranked maps (as Batman).
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| Stop the Clock | Time is running out.
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| Storyteller | Have 12 murderous dates with Calendar Man.
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| Twice Nightly | Complete New Game Plus.
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| Wrecking Ball | Stop the unstoppable.
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