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End of the 'lein' Find and kill the visiting General (Mission 3)

Hooked Defeat 30 Far Harbor Sea Creatures

Big Tournament Completed each of the larger challenges in all 3 coliseums

Rattle the Hive Bait 10 Ghûl mounds.

Run the Gauntlet Complete "Desperate Escape" on Professional.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Maximum Firepower Take control of an ASP.

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

Army of One Win 15 matches in Slayers.

O Mother, Where Art Thou? Have 20 Branded Ghûls at one time.

Make it go boom Kill 20 enemies by shooting explosives

Burning Shadow Shadow Brand 20 Uruks.

In Their Sleep In Campaign, kill 5 stunned enemies in under 3 seconds.

Nom Nom Nom! Eat a captain with a Wretched Graug.

The Most Dangerous Game Defeat all the Beastmaster Warchiefs.

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

Hot Flashes Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.

Hole-in-One Destroy a Chicane with a hand grenade.

Battering Ram Shield Bash 5 different thugs

Best of the Bunch Earn the MVP award in any Online Tournament match

Frequent Flyer Zip Kick 5 different thugs

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

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)

Mass Production Produce 100 objects from your builders

Throwing Flak Kill 3 Talons with a single mid-air grenade detonation.

Double the Action Complete Campaign Mode In Co-Op Mode

Eye of the Tiger Win 15 matches in Survivors.

Casual Reader Find 50% of the war diaries

The Team That Slays Together... Win 15 matches in Team Slayers.

The Flames Make It Go Faster Activate the Blazing Steed.

Hurry the #@$% Up! Destroy five or more enemy transports from atop the Kreon in Act 3-7.

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

Dominion Wraith Flash Dominate 50 Uruks.

The Grand Tour Complete "The Grand Tour"

Civil Disobedience Ignore the elevator start order in Act 4-1. Instead, hold position and destroy all reinforcements.

Terraria Student Get some help from the guide.

These are a few of my favourite things Get a kill with each offensive item

Legend Defeat a Legendary Dragon

Mission Impossible Complete the game on Zealot setting

We Will Survive Win 15 matches in Team Survivors.

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

Communication Issues Campaign: destroy 15 satellite uplinks

Well, well, well Hide a body in each of the wells in Gaberoun (Mission 2)

Guardian Do not allow any friendly armor to be destroyed during Act 3-5.

Demolish Part 2 Campaign: demolish 50 houses

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)

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

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

Fisher is the Other Sam Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.