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The Guns of Anchorage Completed "The Guns of Anchorage"

The Most Dangerous Game Defeat all the Beastmaster Warchiefs.

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

Full Strength Duke and Damir stay with the crew, Alyosha doesn't get wounded.

You... you... complete me. Complete the Dark Knight level

Betrayal Complete the fifth mission of the U.S.S. campaign.

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

Iron Fist Destroy all towers and bunkers in 'Blood and Iron'.

On Instinct Complete the Mother Boss Battle.

Ran out of fingers Find 11 hidden bags

I Siwa you did there Make the target officer's death look like an accident (Mission 5)

Crocodile Shoot three enemies while underwater in 'Wetwork'.

Amazing and Unique Adventures Complete Batman 75 level

Back to School Play any Popit Puzzle whilst wearing a Newton costume

Friendly Skies Defeated all waves in The OPS Zeal.

Corpse Wagon Detonate fallen Leeches to kill 25 enemies

One Bad Gato Complete 'Blackcats' on Veteran difficulty. (Solo only)

Nice suit, Son Complete Man of Steel level after achieving True Hero status

A cunning warrior Reach level 3 once with any Trait (Multiplayer)

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

A hero can be anyone Complete the Dark Knight level after achieving True Hero status

Arctic Grave Push the chief witness into the ice lake in "Joe's Adventures."

Only One Goal... Survive Complete Arrow level

Mass Production Produce 100 objects from your builders

QuickFire Artiste Fire 40 paintballs in under 5 seconds

Fashion Aficionado Change into 10 different pieces of clothing

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

A Hunter, Through and Through Find and kill all 4 rare spawns.
0/4

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"

MOD Tinkerer Have every Gear MOD active for at least 1 minute each.

Grave Robber Collect all Death Cards in the game. (Solo only)

Frequent Flyer Zip Kick 5 different thugs

Safecracker Crack all safes.

Paving the Way Completed "Paving the Way"

Hold the line! Kill 10 enemies while attacking or defending a control point in Supremacy

The Joker's Back in Town! Complete Batman 75 level after achieving True Hero status

Succession Plans Break into Hell's Gate HQ and apprehend Two-Face.

Operation: Anchorage! Completed "Operation: Anchorage!"

Industrious in the Face of Cosmic Terror Complete all Crew Challenges and Side Missions on Xylourgos.
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Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Honor Bound Bind a piece of gear to a class.

I will find him! Set both Free Play characters as General Zod and Superman (Man of Steel)

Welcome To The Gun Show Collect all level 2 and level 3 firearm upgrades.

Complete your first Island Tour Awarded when you successfully complete your first Island tour

Batman Gone Bad Set both Free Play characters as Batman (Sinestro Corps) and Vampire Batman

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Down in the Labs Complete the sixth mission of the U.S.S. campaign.

Scorched Earth Complete 'Burn 'em Out' on Veteran difficulty. (Solo only)

Would you like to see my mask? Set both Free Play characters as Bane (Dark Knight Rises) and Scarecrow (Batman Begins)

Great Outdoors Endurance Challenge: Survive for 10 days