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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

Graduate Complete Chapter 5.

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

King of Sportz In Sports, win a game with soccer ball vs CPUs with a 10 score lead

Keep your distance Find all ranged weapons

Twice Nightly Complete New Game Plus

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

The Root Of Corruption Open The Well Of Souls

The Last Laugh The joke's on who?

That Lucky Old Sun Completed That Lucky Old Sun.

Peek-a-boo! Kick open a door, peek open a door, and throw a grenade while peeking a door.

Boy Genius Complete all 5 classes for every subject.

Anti-Cyborg Sentiment Destroy a total of 100 Cyborgs during story mode.

Shut Down Shut down an entire Tower Network

Diamond Geezertron Unlock the final skill in either skill tree

Retreat From Fire Cause the Alien to retreat using a molotov

Let There Be Light Dispelled every instance of the Dark Realm in the main missions.
7/47

Double Down Played 10 hands of Blackjack.

Dual Sword Master Acquired mystic art for the dual swords.

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

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)

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

Bone Breaker Kill the Bone Sperm Whale

Killer Look Complete the Mayor's outfit.
0/5

Counter-serum Chat with Dr. Hypatia aboard the Dreadful Wale

Skate Pro Travel 50,000 meters on the skateboard.

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

Veteran Status Qualify from 500 rounds

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

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

Substance Abuser Drink beer while on steroids or vice-versa in SP

Career Criminal Attain 100% Game Completion.

The Red Door Disobey Adler’s order to go through the door in Break on Through.

Blast Corps Kill 30 enemies with explosion damage.

The pen is mightier than the sidearm Successfully complete Library of Evil

Noms Eat 10 pieces of food in SP

The Big Boss Defeat Absalom

A Stroll In The Demonic Park Complete the game on any difficulty setting

Hey, it's-a-me again! Perform a highground attack as a finishing move

Bag lady Find all three hidden bags in one chapter

A Worthy Opponent Defeat a level 9 CPU in a 1v1 battle

What a maniac Kill 20 enemies by running them over.

Older Than the Trees Kill the Wendigo.

A Night in 1849 Visited the past

Welcome to Shibuya STU: Acquire at least one SHIBUYA♡HACHI stamp.

Notorious Red Dead Online: Reach Rank 50.

The Masterful Marksman Complete the entire main campaign on Marksman difficulty

Careful What You Wish For Read the mind of a lonely cat