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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.

Burgertown Escort Service Rescue 1 survivor in Infection.

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

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

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

Heroes of the Resistance Beat a Retaliation mission with 3 or less civilian deaths

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Making mountains out of molehills Kill 100,000 enemies.

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

Path of the Sage Thoroughly learn the third technique.

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

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

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

Master of the reliquary Gather all the fingers of Frankenstein

Objective Driven Complete a total of 30 objectives across all matches

Coward's Path Running from difficulties does not solve the problem.

Green Series clear Get a silver medal on every green track

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

Master Thoroughly learn all techniques.

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

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

Untouchable Complete level with no damage.

Breathing Room Kill a Viper who is strangling a squadmate

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

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

Avenged Confronted the culprit behind the Vael family's murder. ("The Exiled Prince" downloadable content)

Memento Gave Sebastian a family heirloom. ("The Exiled Prince" downloadable content)

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)

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

Arhat Finish the game without dying.

Room to Grow Upgrade a facility

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

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

Signing Day Announce where your college ball will be played at.

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

Total Football Successfully convert a player to a new position in Career Mode.

Jump Roll to avoid lethal fall damage in the main game mode

The epitome of Super Earth Complete all Trophies.

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

Let there be rock! Beat the high score in Raven Thunder's Rock Legend

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

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

Go Figure Plant ShadowChild's figurine.

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

Shaolin Warrior Complete the game on normal difficulty level.

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.