Nelsonils

Best of the Bunch Earn the MVP award in any Online Tournament match

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Hungry Reach the pump room of the Waystation without alerting any Feeders.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

Legend Defeat a Legendary Dragon

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Platinum Congratulations!

The Explorer Complete all optional missions.

Medic!  Revive your Co-Op partner 10 times.

Weedkiller Kill 5 Cysts in the Biology Building with a single poison gas cloud.

Bomb Squad Defuse all bombs in 3 minutes or less

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Play Complete all story levels without dying, with the exception of those levels that only end when you die

Booty Master Collect all the prize bubbles on the story levels

Aliens Collect all Alien Artifacts.

And Then We Doubled It! Dismember 1000 limbs from living enemies.

Unseen Assassin Assassinate a Target without getting spotted.

Messiah Reached Level 30 with Good Karma

The Librarian Collect all Logs.

Stick Around - Nail 20 Helghast to the wall Nail 20 Helghast to a wall using the Boltgun VC-21

Snap To It Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan

The Professor Collect all Artifacts.

The Result of Previous Training Complete Freeform Training in the Prologue.

The Armorer Collect all Circuits.

Gun Collector Collect all Weapon Parts.

Devil Reached Level 30 with Bad Karma

True Mortal Reached Level 30 with Neutral Karma

Cleared for Field Duty Complete The Final Test in the Prologue.

Seizing the Opportunity Complete any Mission Story in The Final Test.

Silent Assassin Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.

Tools of the Trade Assassinate Targets with Ballistic, Accident and Explosion Kills.

Beast Slayer Destroy the KRAKEN boss

Reaper - Kill 1500 Helghast Kill 1500 Helghast soldiers

Field Agent - Collect all intel Collect all intel within the game

Axes High Kill 30 enemies using Fodder axes.

Party's Over Destroy all Harley Balloons

Drill Sergeant Complete the Drill Room without taking any damage.

Death From Above Complete On Top Of The World.

Ace Port Royal Ace Port Royal

Iconoclast - Destroy all symbols Destroy all Helghast symbols within the game

Ace Pirate Town Ace Pirate Town

Epic Tier 4 Engineer Complete the game in Classic Mode.

Ace The Frigate Ace The Frigate

Mixed Bag Get kills with 5 different weapons in an Assault encounter in No Return
0/5

Survivalist Complete the game in Pure Survival Mode.

Master of the Household Complete Death In The Family.