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

The Warrior: Ventus Learn all of Ventus's Finish Commands.

Surprise Attack! Arrive at the objective in File R-07 without being spotted.

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

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

Undiscovered Truths Find all the intel hidden in Nightfall.

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

Burgertown Escort Service Rescue 1 survivor in Infection.

Darkness's Will Defeat No Heart.

Gotta Catch'em All Collect all secrets.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

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

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

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

Vehicle Builder Build your first Builder car.

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 Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

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

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

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

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

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

Sniped In career mode, compete for the same player with other teams, and win the negotiation war

Time's Teller Defeat the Unknown.

Alright, Alright Survive until round 10 in Infection.

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)

Survivor Survive until Round 25 in Outbreak.

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

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

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

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

Breathing Room Kill a Viper who is strangling a squadmate

Room to Grow Upgrade a facility

Go Figure Plant ShadowChild's figurine.

Fake it Make it Score a goal by tricking the keeper with a Fake Shot

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

Interagency Task Force Play through one entire mission with two other live players.

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

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

Spy vs. Spy In cooperative mode, prevent 10 attempts of picking up secret items.

Cloak and Dagger Met secretly with the agent of the Divine. ("The Exiled Prince" 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.

Bullet dodger During highway chase on Disco level successfully avoid all rockets.

Level 21 Unlock all weapons in the campaign mode.

Tinker Build an experimental item in the Proving Grounds

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

A Horrible Truth Recover the Blacksite Data