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

Deadly Ballet In a three-player co-op game, make sure everyone scores at least one kill during Team Entry.

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

A Horrible Truth Recover the Blacksite Data

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

Ladder Goat Find Ladder Goat movie on the Fort level.

With Extreme Prejudice Skulljack an ADVENT Officer

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)

Without a Trace Barrel through the lava, don't let anything stop you

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

Youth is Served Sign a player to your youth squad in Career Mode

Let it Snow Receive the Extreme Environment Suit (XE Suit)

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

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

Murder He Wrote Find all pieces of evidence behind the Saridakis murder.

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

A Just Cause Decide what to do with the Altered Biocell.

Precision Tackler Obtain a successful tackle percentage of 80% with a minimum of 5 tackles in a game

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

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

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Old West Legend Finish the game on very hard difficulty.

See You In My Dreams! Visualization is a crucial skill, so try watching 50 replays! I watched so many, I started seeing Master Zangief in my dreams!

Knock Knock Get Slaw to open the security door within the Palisade Blade.

Too Hot to Handle Complete the server chamber area without being detected by any HeatEye cameras or enemies.

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

DEA, keep your hands up! Complete the game playing as Eddie Guerra.

Home Maker Change the Home Stadium of any team

Procrastinator Sign a player on Deadline Day in the transfer window in Career Mode

The Adventurer: Terra Complete Reports with Terra.

NEW PB! Beat a Personal Best time in Time Trial.

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

FBI! Don’t move! Complete the game playing as Kim Evans.

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

Stalact-tactician Takedown 2 enemies with one stalactite

New Choons Import your own sounds into the game using the Custom Music & Chants feature

A Grim Key Recover a Codex Brain

Don't Reach, Kid Find the basketball and put it in the hoop.

The Adventurer: Aqua Complete Reports with Aqua.

For Auld Lang Syne Stop Freeze and bring Boyle to justice

A Criminal Past Complete A Criminal Past.

A Double Take This is proof that you've acquired equipment with a doubled skill from an enemy drop. Very difficult unless you're playing in Hard difficulty or higher! There's a rumor that offering sanctified equipment to a Lord of the Land may increase the chances...

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

Quid Pro Quo Help out a fellow inmate by making a trade.

The Adventurer: Ventus Complete Reports with Ventus.

Natural Talent You finished Mystery Foe without using any active supernatural powers

Clean shot Complete the campaign mode without killing any civilian.

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.