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Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Come On And ... Slam 10 zombies at once in Outbreak.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

ARCHIVIST Collect all documents

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

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)

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

Barrel of laughs Kill 20 enemies with barrels

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

Rare and Exceptional Purchase Armor, a Charm, or Vanity Gear from Masujiro the Melodious in New Game+.

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

Call of the Void Complete Ragnarök - Part II on any difficulty.

Survivor Survive until Round 25 in Outbreak.

Street Fighter Complete all Dragon's Teeth Assignments

Alright, Alright Survive until round 10 in Infection.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

All in Find the Morenia

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

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

Collector Loot 10 Superior or Custom items.

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

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

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

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

King of Bling Earn ALL of the Clear Gems

Proper Penance Crawl for 500 meters

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.

Führerious Repetition Wolf Mountain - Kill Hitler 5 times.
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Skill Swap Train Kinu and Kane

Ran Escape Sumoto Castle (Claws of Awaji)

Overachiever Watch the 100% bonus ending

Thoroughly Baptized Spend 10 minutes underwater

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)

Annihilation Get 100 Elite Zombie Eliminations in Zombies

gnilB fo gniK Earn ALL N. Verted Gems

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Das Familienjuwel Wolf Mountain - Kill Hitler with a testicle shot.

No Mo' Modi Get out of jail, but not for free

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

LEGACY Complete all recordings

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

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.

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