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Most Dangerous Game Complete a Murder Circus Finale with Artemis.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Atomic Obliteration - Complete all the Challenges

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Viva La Reina Complete a Murder Circus Finale with Consuela.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Single Impact Defeat The Scale

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Living the Dream Complete a Murder Circus Finale with Daniel Li.

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

I promise I'm just changing the air filter Sabotage 3 Oxygen Generators in a single game

Into the Caves of Insanity Find and read all journal fragments in the Main Campaign.

Cain is not 1337 Play the Personoid Quarters level 10 times

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

Gran Turismo Rally Complete the "Gran Turismo Rally" Special Event.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

IT Specialist Repair 50 computers in the Personoid Quarters level

Supernova Get 3 Stars on 20 different Echoes

True Colors Defeat the mastermind of the Fortune City incident.

Here's Your Order Destroy 4 enemies with a single blast of Sir Galahad's Arc Rifle

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Tick Tock Climb the Clock Tower in 40 seconds in "Dark"

Range of Fire Fire 7 different charged attacks in a single level

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Blood Bank Kill 10,000 enemies

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Welcome to the Sunshine State Unlock the Everglades battleground

I Used to Be a Human Like You Shoot a Walker in the Knee with a Bolt

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

Electric Whisper Learn how to craft Electric Arrows

Sébastien Loeb Rally Challenge Complete the "Sébastien Loeb Rally Challenge" Special Event.

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Let's Play Complete the first Horde Mode Mission

Have you tried turning it off and on again? Complete Terminal Error on any difficulty.

Fundamental Principles Amended the Constitution 6 times in a single game

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Research and Development Upgrade the Rarity of one common vehicle of the HOT WHEELS™ - Batman Expansion.

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Pacesetter Completionist Gain all stars in 'Pacesetter'.

Sleuth Unlock all intel (videos and audio files)

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Behind the Curtain Get your first unlockable.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.