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Gem-studded Slot an elfstone into an item.

East Gate Open East Gate

It's a trap! Score a combo of 75 or more while fighting up the stairs at the "Front Gates of EEEEEEEVIL!"

Nothing But Net Score a basket by lobbing a grenade through a basketball hoop

The first of many Win a Main Event in any game mode

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

King of the World Awarded for defeating the Guardian of Worlds.

The Professional Completed the street chase in Comrades in under 2 minutes 30 seconds without dying

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

Fireworks Use the Wildfire secondary fire to kill 6 enemies in one shot

Boom Stick Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Hero Academy Play a ranked match.

BlackHand Brutality Kill 25 mobsters only using BlackHand attacks.

First Aid Badge Use Russell's Canteen three times.

Lockpicker Crack five safes.

Not Up To Code Confronted Pete Baxa about asbestos in the spa

Thorough Enough, Darn It Completed a case with at least 65% Thoroughness

Werewolf Mastered Acquire 11 werewolf perks

Flash Baked Completed Case 1: Flash Baked

Endless Hunger Consume 200 characters to boost your health.

A Voice In The Mist Find the voice in the mist.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Blender Killed 200 enemies with Claw Spin

Mediocrity Complete Campaign Mode On 'Normal'

Gold rush Complete five Gold Challenges

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

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

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

Nice And Relaxed Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.

Like a Surgeon Singleplayer: While long range sniping, hit one of every bodypart

"Okay, let's do this." Complete 'Credit Crunch' as Mash.

READY, SET, GO! Get a perfect Quick Start.

Beginner's Wings Access the Multiplayer game menu.

Fishing Badge Survive against the hungry Piranhas.

Right Hand Man Promote one of your made men to Capo.

Gladiator Completed a Coliseum Attack stage

Meet the Pack Meet the pack: Alpha, Beta, and Gamma.

Twice Nightly Complete New Game Plus

Humanitarian Complete 10 "extra things to do"

Close Counts After All Completed a case with at least 90% Thoroughness

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

Sub Machine Gun Storm Campaign: 50 kills with sub machine guns

Perfect Aim Win a match as Deathstroke without missing a shot (minimum 12 shots)

Apprentice Complete Game - Apprentice difficulty. Do not change the difficulty after the game has started.

Defense Badge Successfully defend against 10 dog ambushes.

Test Tube Washer Completed a case with at least 65% Skill

Master Architect Build three houses

Death of a Sales Rat Defeat General Rat.

Fool Me Once Completed a case with at least 65% Cunning

It's Blue Light Killed an enemy in a dark zone using the ASTir SpecterBite