twistedintoform

Lights Out! In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)

Tactician Earn 1 star in each mission of Special Ops Mission Mode.

Madness Prevails Complete the Game on Nightmare Difficulty

Any Means necessary Get 50 kills with the electric fence and fire traps in one game in Regular or Hardcore difficulty.

Battle Tested Reach Commander (Level 55) in Multiplayer while playing online.

Credit Where It's Due Reach Level 6 with one of each Gameplay, Game Mode, Vehicle and Event Accolades.

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

"Gonk? Gonk!" Capture three droids in a match of Droid Run

Hidden Knowledge Learn the secrets of 5 Black Books

Mediocrity Complete Campaign Mode On 'Normal'

Done That Complete all Hammerlock's Hunt side missions.

Close Shave Complete all Under the Bridge and Knife Flight challenges.

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Endless Hunger Consume 200 characters to boost your health.

Humanitarian Complete 10 "extra things to do"

Pulling His Strings Defeat the Dollmaker without taking any damage.

Shot in the Dark Kill 10 enemies while the lights are out in the subway in 'Eviction'.

The Beginning of the End In Shadows of Evil, complete all Rituals.

Painting the Town Red Complete all Radula Rooms

Completionist Completed all missions in Secret Armory

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Bag lady Find all three hidden bags in one chapter

Inspiring Presents Collect 30 presents

Crafty Create 10 Decorations with the Cutting Mat

A tremor in the Force Play once as all the different heroes in the original game (Multiplayer)

Cataclysm Finish Between the Pages

Papercraft Enthusiast Collect 25 papercraft plans

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

Made it Out Alive Escape 1st time in Regular or Hardcore difficulty.

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

Werewolf Mastered Acquire 11 werewolf perks

The Last Laugh The joke's on who?

Chain Reaction You exploded 10 vehicles in 10 seconds.

Headcase Headshot a Demolition mech 20 times.

“A Shocking Turn of Events” – Expert The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Family Memories Fond and Faded Find all Liddell Memories

Children Of Blacklight Complete the Supreme Hunter Boss Battle.

Danger Zone Buy all items from the Survival Air Support Armory.

You Have 1 New Message Finish the game

Career Criminal Attain 100% Game Completion.

Master Architect Build three houses

Seasoned Campaigner Pepper All Snouts in the Game

A New Hope Play every multiplayer game mode in the original game

Everything Fit to Remember Find all Memories

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Twice Nightly Complete New Game Plus

Biff! Bap! KaPow! Kill three enemies in a melee combo.

From the Shadows In Shadows of Evil, spot the Shadowman fives times in one game.