PipeSwinger

Rough Economy Kill 3 enemies with a single round.

Zoo Keeper Collect all the masks

Chain Smoker Disable 50 enemies using smoke grenades.

Order Fulfilled You completed all 10 Exotic Export orders.

Batman Clear Chapter 2 using Nigel the Bat

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

10 Minutes of Create Spend 10 active minutes in Create mode

Think Fast Kill 30 Necromorphs with Kinesis objects

Guns For Show Use all guns at least once

I AM the Batman! Reclaim your city.

Disappearance Complete "A QUIET EXIT" mission.

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Pitcher Use all throwing weapons at least once

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

General of the Army Enter Prestige 1 in Multiplayer while playing online.

No Assistance Required Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Far From Home Complete the quest "Far From Home"

Never Saw It Coming While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.

Plain Luck Hit three or more enemies with the same weapon in one throw

Get Rich or Die Trying Have $50,000 current balance in a Special Ops Survival game.

Robot Hunter Unlock 10 Robot Mods

Sounds Of Animals Fighting Wear all masks at least once

Motherly Ties Put a grieving mother's doubts to rest.

Chain Reaction Damaged fifteen foes with an exploding enemy, using the Radar Range in Burial at Sea - Episode 1.

Firestarter Complete a level using only the flamethrower. Melee, grenades & explosives are OK.

Harm's Way You caused 5 unintentional suicides

True Marksman Win a match with Green Arrow using only arrows

The Sampler Platter Kill a Necromorph with every Weapon in the game (single player only).

Headhunting Complete "Headhunting"

New Challenger Join and complete an Online Tournament match

Clean Hands You completed the game without killing anyone

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

Shadow You completed all missions after the prologue without alerting anyone

Marksman Cover Zussman from the church without missing a shot in Stronghold.

Lost Property No crimefighter should be without this

Hero Obtain the codename "Hero."

Witch Trials Baba Yaga: Complete every Wicked Vale Score Attacks with a gold score

Restoring Order Complete "Restoring Order"

Dead Drop On three occasions, knocked out an enemy after silently dropping off a Freight Hook.

When No One Else Dares Complete The Showstopper.

Guardian Angel In the final battle for Okinawa, save Sergeant Roebuck.

To the Rescue Cold Darkness Challenge: Rescue 6 prisoners

Confirmed Luddite Destroyed ten Turrets in Burial at Sea - Episode 1.

The Most Toys Build 10 Robot Mods

Up Close and Personal Get 50 melee kills with any weapon.