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Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Total protonic reversal Complete Return to Hell on any difficulty.

None more hard Complete the Campaign on Nightmare difficulty.

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

You Can Pet The Dog Pet a Hellhound in MWZ

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

The Original Demon Completed all missions in "The First Samurai" on Dream of the Demon.
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Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

New Superpower Complete all China Rising Assignments

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

High Wire Act Kill 10 enemies while using a zipline

Burgertown Escort Service Rescue 1 survivor in Infection.

Undiscovered Truths Find all the intel hidden in Nightfall.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Perkaholic Have 9 perks active at the same time in MWZ

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

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Wishing for the Best Complete the "Last Wish" Raid.

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

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

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

Alright, Alright Survive until round 10 in Infection.

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

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

Survivor Survive until Round 25 in Outbreak.

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

Street Fighter Complete all Dragon's Teeth Assignments

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

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

141 Ready Complete the campaign on Veteran

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

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

Annihilation Get 100 Elite Zombie Eliminations in Zombies

Go Figure Plant ShadowChild's figurine.

The Clockwork Tomb Complete the quest: The Clockwork Tomb

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

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

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

The High Hat Defeat a boss on Inkwell Isle IV without killing any of its minions

Paladin Obtain great power

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.

Faith in the Fallen Take a leap of faith

Thank You Watch the credits all the way through the end.

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

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

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