Apantenco

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

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.

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.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

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

Tumbler Perform an impressive Barrel Roll

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

Professional Reach Driver Level 15

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

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)

Have a Nice Trip! Kill a Walker That Is Falling Due to Dismemberment

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

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.

Two Birds Smack a bomb so that kills two or more enemies (Individual)

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)

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

Say Hello to My Little Friend Complete a Marked Map Destination Using Only Firearms

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

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

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

Eaten by a Grue Play Zork on the terminal.

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

Muppet Mastery Complete The Muppet pack's story

Rocksteady Execute a point shooting with 3 kills

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

Guys Night Out Arrive at Final Destination with Only Male Survivors

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

Give me liberty, or give me death Escape Vorkuta.

Good Samaritan Complete 25 Optional Objectives

Forepost Assassinate Wade's men

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

Porcupine Shoot a Walker with 10 Bolts without Killing It

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

Rosie the Rampager Arrive at Final Destination with Only Female Survivors

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

That's a Nice Swing You've Got Kill Walkers Using Every Melee Weapon

Can You Feel that Shield Power? Complete "Homebase Storm Shield Defense 6"

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.

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

It's Gotta Be the Brain Dismember All Limbs of 5 Walkers

Overkill Destroy six enemies with one Beam Shot (Individual)

Become a Superhero Complete "Hero Training - Stage 2"

All Bark and no Bite Assassinate Wade

They Know Me at the Range Kill Walkers Using Every Ranged Weapon