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High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Electric Whisper Learn how to craft Electric Arrows

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Mixed Messages Take a picture with elements of horror, brutality, outtake and erotica in a single shot.

Collector Acquire all items available in normal time attack

Come Back To Me Kill a Sectoid who is currently mind controlling a squadmate

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Z-Genocider 2: Genocide Harder Kill 53,596 zombies

We can kill it... As a Fireteam member, work with your team to kill a Predator

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

Technological Terror Destroy a "harvester."

A for effort Attain a Time Trial star rating of 35

Supernova Get 3 Stars on 20 different Echoes

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

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

Seal the Deal Complete a Triumph Seal.

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Celestial Illusion Capture a fantastical creature that floats through the sky.

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Let's Play Complete the first Horde Mode Mission

For my next trick Get killed by a sawblade

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

Forever Marked Progress the story to unlock.

Pursuit of Knowledge Filled 80% of the Datalog.

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Death of Comedy Use every type of novelty weapon on a zombie

Fill your dark soul with light Free all of the Lost Souls in Dante's story

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Sleuth Unlock all intel (videos and audio files)

True Colors Defeat the mastermind of the Fortune City incident.

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

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

Creatures of the Earth Capture a hole-digging creature from every region.

All Going To Plan! Master Zangief! I fought in 50 network battles! The ring came to life with the clash of burning spirits! (Excludes Battle Lounge)

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

All Star Get 100 Stars in S.T.A.R. Lab Mode

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

ICU Mark 40 items or threats in a single match using Valerie's Survival Instinct.

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

E99 Tech Geek Purchased 10 different Hero Upgrades in single player campaign

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

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Around and Around We Go Perform every level interaction once

Is there a problem? Complete all missions (on Nephilim or above) on Hardcore mode with Dante

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

Grimstorm Keep Complete the quest: Grimstorm Keep

Party Time Get a survivor drunk.

Behind the Curtain Complete Beckett's story