Overloadz

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

I've Got This Acquire all upgrades

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Recordkeeper Collect all of the notes and memos on Monkey Island™.

Salute Me Achieve the rank of Lieutenant.

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

Give Them Something to Believe Complete New Game Plus

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

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

Gest - Chapter XIII Finish the levels from Chapter XIII in Warrior difficulty

Professional Reach Rank 10 (Ranked Match)

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

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

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

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.

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

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

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

The third faction Rescue all the Buddies from their respective predicaments

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)

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

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

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+.

All in Find the Morenia

Alright, Alright Survive until round 10 in Infection.

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.

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

Determined Don't use any hints to finish the game.

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

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

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

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)

Skill Swap Train Kinu and Kane

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

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Worst Nightmare Master the Worst Nightmare Dark Knight track

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

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