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Conservation Extract all wild animal species.

The Best Around Earn a 100% rating for any War Zone at Challenge IV rating

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

Auld Lang Syne Destroy two enemy robots who have been distracted by a cigarette.

Alchemist Directly hit an opponent with a thrown Beaker Power-Up.

Finish Him? Perform any fighter's hidden finishing move

Stranger Than Friction Master the Propulsion Gel

Liberation Free the salarian ark.

Apollo's Lyre Acquire the Lyre of Apollo

Grin and Bear it Survive 18 bear attacks and kill the bear each time in Story Mode.

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

Laboratory Complete Complete the laboratory.

Arkham City Lockdown Defeat every Villain With Batman

What Does This Button Do?? Complete Arcade Ladder without blocking (allowed to continue)

White Out Complete the first Conversion Gel test

Special Class-A Complete game on Hard difficulty

Complete a 750yd drift inside the Inspiral Car Park Awarded when you complete a continuous 750yd drift inside the Inspiral car Park

Factory Complete Complete the factory.

Proto Tyrant Down Fight off the Proto Tyrant.

Squid Soup? Accept Jefferson's Soup

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Close Combat Specialist Kill 100 enemies with melee attacks.

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)

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Pacifist Clear the "Intel Operative Rescue" Side Op without killing a single enemy

Light up the Manhattan Spirit during an Online Challenge Awarded for using the flashing lights of the Manhattan Spirit during an Online Freeburn Challenge or Timed Challenge

Complete your 1st Party Round Awarded when you complete the 1st Round of your 1st Party.

Proto Tyrant Down Again Defeat the Proto Tyrant.

Dual Pit Experiment Do the same test twice

Three-Second Rule Pick up your fallen head 100 times.

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Scanned Alone Stand in a defective turret detector

How 'Bout a Light, Bud? Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.

Group Effort Reach rank 25 in any faction

Conga Line Have a gang of 10+ forest spirits follow you

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Activation Activate the Remnant city.

Eregion Reforged Build all the Forge Towers in Udun.

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

The Flawed Couple Defeat General Horse.

Creative Space You took a weird detour through your imagination.

Treatment Plant Complete Complete the treatment plant.

Hey, Queenie! Feast on this! Defeat Queen Leech.

Platinum Congratulations!

Tunnel of Funnel Master the Excursion Funnel

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

The Part Where He Kills You This is that part

Lunacy That just happened

Clever Too Much Gain a devoted fan

Skin Deep Skin every species of animal in Story Mode.