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Done That Complete all Hammerlock's Hunt side missions.

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

Career Criminal Attain 100% Game Completion.

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

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

Relic Hunter Assist in capturing 20 capture points in Salvage.

Twice Nightly Complete New Game Plus

Komodone Win against Komodo Joe in the Adventure Mode.

Raider Complete a Raid.

Arena Explorer Complete a Crystal Challenge in the Adventure Mode.

A Little Closure You investigated the cult's activities at Sammy's

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

Creature of Habit You investigated the scene

Titan Mastery Fully upgrade a Titan Subclass.

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

The Last Laugh The joke's on who?

Kickin' Up Dust You helped MJ and Roxy get the Witnesses free

Master Mechanic Fully upgrade all weapons in Campaign Mode

Apprentice Adventurer Reach level 25.

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

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

Ain't Nowhere Safer You captured Slim Beaumont

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

Spelunker Complete one Tomb of the Fallen

Saved The Overworld Defeat the Arch-Illager at the Obsidian Pinnacle.

Electric Avenue Use the EMP to take down 25 drones

Fan Fare Eat all the Questers

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

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

Silent Partner Damage the same enemy in Cooperative Mode for 100 kills

Spread The Love - Kill 5 Helghast at once using the WASP's secondary fire Killed 5 Helghast at once using the secondary fire mode of the WASP launcher

Firing Range Knock down 15 metal targets on Main Street in Redlight, Greenlight.

Covered in Blood You met Bonnie Harless

Sandman Kill 5 Grims in a row with only headshots

Infallible Win 5 Episodes in a row

Four-Star Rank Defeat Adm. Barbara Terranova

Hunter Mastery Fully upgrade a Hunter Subclass.

Squad Goals Win an Episode as part of a party of 3 or more players

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

They Go "Boom" Get 30 kills with the Magnum secondary fire in the single player Campaign.

Devotchka You survived the trip to Boicherot's

I Can See Through Time Meet Kupuna-Wa

Big Money You got a hot tip on a loose nuke

There Are No Dominos You secured the nuke

Aid and Comfort You helped Donovan end Connor Aldridge

Pieces of History Collect all 33 mementos.

Haunted Places Investigated the 3 "Places of Darkness"

His Full Attention Freedom Cry - Achieve 100% synchronization