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Twofer Knocked out two or more enemies using the same Gas Bolt.

Fully Equipped Purchased any two upgrades for Old Man Winter or Radar Range in Burial at Sea - Episode 1.

Paid in Full Completed Burial at Sea - Episode 2.

Made it somehow Acquire a blaster, a starship, and a speeder

Assassin's Greed You completed all 9 assassin missions.

Making Some Noise Gained five noisemakers through lockpicking.

Order Fulfilled You completed all 10 Exotic Export orders.

Like a bantha Perform a perfect landing with the speeder

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

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

Never Saw It Coming While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.

Chain Reaction Damaged fifteen foes with an exploding enemy, using the Radar Range in Burial at Sea - Episode 1.

Liberty City Minute You finished the story in less than 30 hours.

Lost Property No crimefighter should be without this

Courier Service You completed all 10 package delivery jobs.

Dead Drop On three occasions, knocked out an enemy after silently dropping off a Freight Hook.

Confirmed Luddite Destroyed ten Turrets in Burial at Sea - Episode 1.

Audio Enthusiast Collected all Audio Diaries in Burial at Sea - Episode 1.

Now you see me, now you don't Disable an alarm using a security terminal while the alarm is active

Breaking and Entering Find a way into the secret base

That's How We Roll! You unlocked the special ability of Brucie's helicopter ride.

Stay on target Complete your first Intel chain

Sightseer You have taken all variations of the helicopter tours of Liberty City.

How's It Hanging? Clean up the Dry Docks

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Twice Nightly Complete New Game Plus

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

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Glutton for Punishment Used Ironsides to collect 20 rounds of ammo or more in Burial at Sea - Episode 2.

The Last Laugh The joke's on who?

Get rhythm Pick 20 locks with the data spike

Manhunt You completed the most wanted side mission.

The Whole Story Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

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

Battering Ram Shield Bash 5 different thugs

Friendly Skies Defeated all waves in The OPS Zeal.

Liberty City (5) Your friends all like you above 90%.

Frequent Flyer Zip Kick 5 different thugs

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

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Tip the scales Complete all main quests on Toshara

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

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

TLAD: The Lost Boy Become leader of The Lost. (The Lost and Damned)

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Give me the good stuff Buy an item from a merchant's VIP stock

Platinum Congratulations!

You Got The Message You delivered all 30 cars ordered through text message.

No More Strangers You've met all the random characters.