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That's No Hero Defeat the Hero in Scenario Campaign Mode.

Drone You Out Defeat 30 Regulator Drone Masters

Flying Dragon's Trophy Slayer of Demon “Blue Flying Dragon”

You hear a strange hum Engaged a strange device

Fisherman Kill the Catfish.

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

Far From Home Complete the quest "Far From Home"

Chapters 12-13 (Normal) Complete Chapters 12 and 13 on Normal difficulty.

Architect Build three wings on a house

At the Summit of Apocrypha Complete "At the Summit of Apocrypha"

Kitchen Sink Use a Billboard and a Jack Spot to successfully evade a pursuit (Single Player)

Raining Limbs Kill 25 Grims using only grenades

Disappearance Complete "A QUIET EXIT" mission.

Out of Their League Defeat 45 League of Shadows Assassins and 30 Rocketeers

Dragon Slayer Defeat the Armored Dragon Stage 2

Aerial Superiority - Kill 5 Helghast while in the air Killed 5 Helghast while airborne using the Jetpack

Crew Creatures Discovered Max, Sandy, Sputnik, Balto, Kitsume, Eggbert, Ms. Mayor, Momo, Rara, Dotsie, Pixel, Daisy, Hudini, Muzik, Luna, Prince, Quincy, Trouble, Jazz, Indie, Bill, Cleo, Khaini, & Pablo.

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

Liberty City Minute You finished the story in less than 30 hours.

Hey Lakeshore Complete the prologue

Vehicular Manslaughter Destroy 10 Warden vehicles while on the train

Chapter VI Leave the Refectory with the Butcher's key

Feat Fetish Perform every Feat.

The Escape Completed The Escape.

RIG Master Fully upgrade your RIG.

The Destroyer Has Fallen Defeat the Destroyer of Worlds in Scenario Campaign Mode.

Robot Hunter Unlock 10 Robot Mods

Wall of Shotgun Campaign: 50 kills with shotguns

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

Righteous vengeance Kill 90 cannibals.

DLC: Mars: Slimy Death Hit 10 Arachnids with Crabmones.

A Short Introduction Begin a new hunt with Torvin.

I AM the Batman! Reclaim your city.

Bloodborne Kill 3 enemies simultaneously using a single mutated body

Journey to the moon Get rid of the five Dark Teensies

Fighting Master Play 30 matches in Online Mode.

The Spiral Completed The Spiral.

All right, I'll give it a try Earn a star on all training missions

E-Rodeo Kill 20 enemies using the E-Combo

You Swine Beat Pigsy to the top of the Decaying Titan.

Perfect Killer Quick Killed 3 enemies in a row

Double Punch Kill 25 shielded enemies with a Stun Blast then Plasma Blast combo.

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

Tough as They Come Purchase all Health Upgrades.

Everything's Ruined Complete Super Exploding Zoo.

Everywhere! Take part at least once in the 4 different Challenges

Dragon Rider! Complete the "Dragon Slayer" painting

A Momentum Occasion Unlock all Momentum Abilities as Batgirl, Robin, Nightwing, or Red Hood

Brothers in Arms Join another game through the matchmaking system.

Masters of Santo Ileso Unlock Criminal Empire Tier 4.