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Alright, Alright Survive until round 10 in Infection.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Survivor Survive until Round 25 in Outbreak.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Blue Lagoon Clean Sweep Complete all Sector Challenges in Blue Lagoon.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

No Goal for You! Goal Line Clearance

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Sack the Postman Post all 6 invitations for the party.

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Song of Va'erä Ramunong Secure the song in Va'erä Ramunong.

Pro Reached Driver Level 15

Harmonic in the FEBA Score a harmonic from the FEBA.

You Have 5 Seconds to Comply Build a S.H.I.V

Boys Club Beat an Echo Six Expansion Pack mission with the 3 male characters in your party.

Muppet Mastery Complete The Muppet pack's story

Burning Inside Kill another player with Crucible in a Foundry Versus Match

Ride the Lightning Build a Firestorm.

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Song of Kxanìa Taw Secure the song in Kxanìa Taw.

Master Negotiator Sell a player by getting your counter offer accepted by the CPU

No More Mr. Nice Guy You pissed off everyone in Venezuela

Birth of An Abomination Complete Root of All Evil

As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission.

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

More Tawtute Will Come Finish the game on the Na'vi side.

Still Practicing? Score 20 goals in 1 Arena kick-about

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

Derailed Complete The Places We’re Meant to Die

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Grave's Bog Harmonic Score the harmonic in Grave's Bog.

Leave no Dead Man Behind Kill every zombie in the Park before leaving.

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Packing Bags Go out on loan or transfer to another club with your Pro in Play as Player

Bigger They Are Complete Longest Yard

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Collector Extraordinaire Collect 100% of the Prize Bubbles in The Journey Home.

Let Lounging Lickers Lie Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Delivery Specialist Deliver all 5 virus samples for your team in Dispatch's Biohazard Mode

Varterral's Fall Defeated the varterral on Hard or Nightmare difficulty ("Witch Hunt" downloadable content)

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.