Pipchenko

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Oh Yeah!!! Complete Nothing is as it Seems

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

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Street Fighter Complete all Dragon's Teeth Assignments

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

Between Worlds Find and complete all of the Eternal Wells

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

The Stick of Truth Equip a Legendary Bo (Claws of Awaji)

All in Find the Morenia

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

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.

Go Figure Plant ShadowChild's figurine.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore 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)

That Party was Ace Ace every Adventure level in The Journey Home.

Help Desk Get the Blade lobby desk clerk to help you bypass security.

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

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Extract The Data... Get the data that Pritchard is after from within the Palisade Blade.

Expose The Truth! Decide what to do with the evidence you uncovered.

KAO! Collect the KAO letters on all levels

Puppet Master Talk to the Press in Career Mode

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

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

Healthy Unlock all extra heart slots

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

Ran Escape Sumoto Castle (Claws of Awaji)

Skill Swap Train Kinu and Kane

Sack the Postman Post all 6 invitations for the party.

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

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)

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

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

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

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

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

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

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

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

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

Birth of An Abomination Complete Root of All Evil

Tier One In a group of 4 finish an Operation on Challenge with 5 directives enabled.

King in the North Complete all Final Stand Assignments

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

All out Escape the Morenia