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

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

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Going Up… In The Darkest Shore, unlock the Ubersprengen.

Freeze! Defeat 5 enemies using a single Snowman power-up.

King in the North Complete all Final Stand Assignments

Battle Brother Get a Multiplayer character to Lvl 10.

Elite Sniper Kill 10 enemies with head shots from the scoped rifle

The Floor Is Lava Get 3 killing blows while wall riding as Lúcio without dying in Quick or Competitive Play.

Birth of An Abomination Complete Root of All Evil

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)

The ol' switcheroo Successfully perfom a pass that switches the play from one flank to the other

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

King of King of the Screen Reach King of the Screen level 6

Team Veteran Complete "Hydroponics" in Co-op Assault.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Act 1 Padawan Finish all Act 1 Missions on Padawan Difficulty

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.

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

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

141 Ready Complete the campaign on Veteran

The circle is now complete Get to Rank 100

Master of Sword and Gun Complete a Chapter of the single-player campaign using only the Bolt Pistol and Chainsword.

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

Cyberized Research all Augments for 10 Items in Zombies

Iron and Blood Fight back an ambush.

Bigger They Are Complete Longest Yard

Rapid Discord Get 4 kills or assists with Zenyatta's Orb of Discord within 6 seconds in Quick or Competitive Play.

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

The Emperor's Marksman Kill 10 enemies in a row in a single Ranged Fury activation.

Saviour of the Universe! Complete all of the worlds.

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

Hostile Witness Survive to wave 13 in Hostiles mode.

No Friend of Uruks Defeat 100 Uruks

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

Delivery and Takeout Plant C4 in less than 60 seconds in ‘Self Destructive’ Operation.

Stick It to the Man Kill 5 enemies by sticking Semtex to each one in any Operation.

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

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

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

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

Bang-up Job Kill 15 enemies with RPG in ‘Three Point Landing’ Operation.

Case in Point Complete the Campaign on Veteran difficulty

Challenge Addict Play 50 Challenges.

Smooth moves Unlock all Combat Upgrades

Captain Pig-ard Achieve a score of 4000 or higher in "Pigs In Elevators (In Space)!"

Expert Manager Reach B-Spec Level 40.

Back From The Dead Reclaim your gear from a Tombstone in MWZ