Alarconda

Oh Yeah!!! Complete Nothing is as it Seems

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

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)

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

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

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

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

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

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

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.

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

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)

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.

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

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

Bigger They Are Complete Longest Yard

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

Flipper Flip the level 6 times in Protector mode

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

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

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

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

Boosted! Hold Super Boost for 15 seconds in Protector mode

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

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

Divided We Fall Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.

Rocket Socket Kill 5 enemies with Rocket Launcher

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

Spelunker Find all of the Intel in Awakening.

Ticket to the Gun Show As Tweed, use C4 to open door in Foundry

Turrets Syndrome Shut Down or Destroy 5 Turrets

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

Inquisitive Mind Find all of the Intel in Mayday.

Epic victory - Chapter XIII Finish the levels from Chapter XIII in Paladin difficulty

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

Who needs guns? Complete an Echo Six Expansion mission without killing anything with a gun.

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

Save the last humans Lifetime total of 1,000 humans saved in Survival mode

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

Tyranical 5 Tyrants Slain

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