ArVoidX

Chimney Sweep There is only one way in

One-Armed Bandit Hammer the point home

Get A Little Blood on the Tires Killed 25 enemies by ramming them with any vehicle

Ring Ring Answer a ringing phone

Fence Sold 50 guns to a shop

1.21 Gigawatts Killed 25 enemies with shock weapons

And They'll Tell Two Friends Play with at least two other players.

12 Days of Pandora Mastered the technology of Pandora

My Brother is an Italian Plumber Killed an enemy plumber-style

Distress Flare Answer the call for help

Duel-icious Won a duel against another player

Facemelter Killed 25 enemies with corrosive weapons

Down in Front! Killed 15 enemies with the Soldier's action skill

Made in Fyrestone Completed all missions in the Arid Badlands

Duelinator Won a duel without taking damage

Communication Breakdown Clear the airwaves

Gladiator Last man standing

Truly Outrageous Killed an enemy with the Siren's action skill

Wrecking Ball Stop the unstoppable

United We Stand Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

Can't We Get BEYOND Thunderdome? Emerged victorious from an arena match

Made in New Haven Completed all missions in the Rust Commons

Reckless Abandon Killed 15 enemies with the Berserker's action skill

Hide And Seek A deadly game of hide and seek

You're on a boat! I bet you never thought you'd be here

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

IQ Test Solve the first riddle

Ghost Train Fight for survival

Arkham City Sirens Drop in on an old friend

Freefall Don't look down

Exit Stage Right All the world is a stage

Stop the Clock Time is running out

Conundrum Rescue the first hostage from Riddler

Borderland Defender You have defeated all bosses and are a powerful force to be reckoned with

Broken Toys Destroy it all

Bargaining Chip Reunite the separated couple

Pick Pocket Steal the score of a lifetime

Dial Z For Murder Stop the phone booth killer

Mastermind Rescue the second hostage from Riddler

Forensic Expert Collect enough evidence to locate the gun for hire

House of the Ned Completed the "House of the Ned" mission

Contract Terminated Stop the contract operative

Jakobs Fodder Completed the "Jakobs Fodder" mission

Ned's Undead, Baby, Ned's Undead Killed Ned. Again.

Night of the Living Ned Killed Ned...sort of

Catch Find someone to play remote Batarang catch with

Mystery Stalker Reveal the mystery watcher