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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Decked Out Purchase or unlock all relics, equipment, and upgrades.

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

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

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

Relic Roundtable Defeat an enemy by using each relic.

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

Hard Headed Collect 1000 helmets

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

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.

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

Flare Wander Defeat an enemy with the Flare Wand from more than 25 blocks away.

Worst Nightmare Master the Worst Nightmare Dark Knight track

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

Super Sphere Destroy 5 enemies within 5 seconds using Chaos Spheres.

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

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

GIR Collector Hit all greens in regulation in an 18 hole round on an official course.

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

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

I am death incarnate! Beat the game on "I am death incarnate!" difficulty or higher

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

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

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

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

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

Legend of the Dark Knight Complete all Dark Knight challenges

Top of the Heap Reach New York Mastery Level 20.

Flying Feat Defeat 3 enemies using the Propeller Dagger without touching the ground.

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

Reflected Riches Bounce the same Alchemy Coin 5 times in a row.

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

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Spelunker Find all of the Intel in Awakening.

Null and Void Reach Haven Island Mastery Level 20.

Inquisitive Mind Find all of the Intel in Mayday.

Bronze x1 Earn 1 bronze metal by completing a Challenge.

Not Big Enough In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Ensign Reach round 10 in Carrier.

TBoGT: Gold Star Score 100% in all missions. (The Ballad of Gay Tony)

Acted Alone In Verrückt, headshot 20 zombies in the courtyard from the second floor of the Asylum.

The Final Chapter Find all 7 story related intel files in Exodus.

Sword of the Gods Awarded for acquiring Zeta's blade.

You Wish Hit an Ancestor with a Hypno Knife in Regular or Hardcore difficulty.

Big Baller Earn 75,000 points in a single Nazi Zombies game. (Map Pack 2 only)

Twice The Fun Escape Awakening using two Relics in Regular or Hardcore difficulty.