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Octacide Defeat the Octaking

Herbalist Reached the Max Herbalism level

Civil Disobedience Ignore the elevator start order in Act 4-1. Instead, hold position and destroy all reinforcements.

Complete Eve's Asylum Complete the main path of Eve's Asylum

Fork the Pork Kill 6 aliens with the forklift

"Eh, eh-eh. Eh eh, eh-eh!" Make someone strut their stuff

Mad Scientist Awarded for alchemizing 120 different items.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Mr. Green Thumb Fully upgraded the Grow House

Go Pro or Go Home Unlock all the Pro mods on a car (Single Player)

All the Gears Earn 5 Gears in every Challenge.

Diamond Medal Defeated all bosses using Diamond Knack

An Extraordinary Man Complete the Encyclopedia of the Common Man.

Minced Meat Take out the Mall's biggest customer

We Will Survive Win 15 matches in Team Survivors.

Not even a dent Complete a level with a custom made ship, without dying

Blast Mastery Caused 10,000 damage with Energy Weapons.

Iron Will You faced your own demons and gave no ground to them.

Pull the Lawnmower Over! Drive a lawnmower as Rex Fury

Legend Defeat a Legendary Dragon

Up and Coming Play one ranked match

The Boss Reached 30th level.

Mr Gold Collect 4,000,000,000 LEGO studs

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

Road Rage Kill 30 enemies by mowing them down with vehicles.

Wizardry Whiz Awarded for becoming a master magician.
Congratulations! You truly are a whiz at wizardry!

Hey, it's-a-me! Execute a stomp move on an enemy

Winner Takes All, Again 100% Just Cause 3.

Nymphs Rock! Helena Handbasket, the Mountain Nymph is Free!

Tekken Fanatic Complete all other objectives.

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

Mayday! Mayday! Hit both fighter jets at the end of the road in Monster Escape (playing as the VR Monster).

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Between Technology & the Divine Complete & win the debate with Talos Rucker.

Big Fat Party Animal Killed 50 enemies using the Hartmann 7.62mm and wearing the Party Animal outfit

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Rampage! Use the Ram to wreck 10 opponents.

Talent Pool Completed Talent Pool.

TLAD: The Lost Boy Become leader of The Lost. (The Lost and Damned)

Guardian Do not allow any friendly armor to be destroyed during Act 3-5.

Knack Master Completed all chapters on Very Hard difficulty

Complete a 750yd drift inside the Inspiral Car Park Awarded when you complete a continuous 750yd drift inside the Inspiral car Park

The Local Flavor Completed "The Local Flavor"

“Worlds of Hurt” – Expert Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

Conservation Extract all wild animal species.

Complete your 1st Party Round Awarded when you complete the 1st Round of your 1st Party.

Peekaboo! Peek sideways to look at the VR Heroes behind the final bridge in Monster Escape (playing as the VR Monster).

Eat DiRT Earn 50 'CHECKMATE!' Medals

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Up to the Challenge 1 Complete 10 challenges.