SweetSlothKillah

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

Hope and Despair Completed the additional mission: "Ebon Memories: Hope Within Despair."

You're On Fire! Get 5 Kill Streaks of 5 kills in Elimination or Skirmish in PvP.

The Jury's Perspective Fulfilled all pacts for Penitence.

Tearing Away the Disguise Destroy all of the humanoid Dwarf Gekkos during story mode.

A Clean Bill of Health Have a single character affected by all status ailments (both beneficial and detrimental).

A Better Tomorrow Fulfilled all pacts for Recursion.

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

Consummate Storm Master You won all trophies.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Commanding Awe Completed all Avalon Pacts.

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

Return to Rightful Owner Help the two Public Security officers retrieve the evidence.

European Legend Win the UEFA Champions League Final

Just Like Old Times Dispatch the professor with a shot to the groin.

A Lover, Not a Fighter Successfully complete 10 No Kill battles during story mode.

Epic Tale of Sorcerers Acquired all trophies.

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

Monster Master Maximize the research level for almost all large monsters.

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

Forest Sovereign Defeated Lily & Lyleen

You Can Pet The Dog Pet a Hellhound in MWZ

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

Like Killing Ants Kill 5000 soldiers.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

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

Street Fighter Complete all Dragon's Teeth Assignments

High Wire Act Kill 10 enemies while using a zipline

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

Avid Collector Reach Lv. 40 with a W-Engine for the first time.

Ultimate Collector Find all treasure.

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)

Challenger of the Rift Completed a floor of the rift labyrinth.

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

A Professional Team at Your Service Establish a cooperation with Victoria Housekeeping Co.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Wallace the novice! Complete your first online match.

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

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

Perkaholic Have 9 perks active at the same time in MWZ

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

Elimination Master Win 20 Elimination PvP matches.

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

Generate Power With Power Restore power to the Ballet Twins.

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

Extreme Operation Eliminate all obstacles and save the airship.

Melody of Fate Find out the actual name of the monster — Sacrifice — from what remains of the recording.

Positive cash flow Complete a Financial objective in Career Mode