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Lone Champion Complete Lone Fortress on Adventure or Apocalypse difficulty.

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Kerouac Has Nothing on You! Take down all of the barriers
blocking the main road.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

All Talked Out Hear every hint.

Beast Friends Forever Paint Trico's entire body.

Beware the Words of the Mad... See all of the endings of
Pandemonium of the Oboro Blade.

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

I've Got This Acquire all upgrades

Honor-Bound Recover 22 COG tags (on any difficulty)
15/22

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Tearing Away the Disguise Destroy all of the humanoid Dwarf Gekkos during story mode.

100 Yen Clear the Arcade mode on Hard difficulty or higher.

Sleuth Unlock all intel (videos and audio files)

Act 1 Cleaner Complete all Act 1 maps on Nightmare difficulty.

But I Only Have Two Hands! Equip Descent into Misery, The
Threads of Fate, and Oboro
Muramasa.

A Lover, Not a Fighter Successfully complete 10 No Kill battles during story mode.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Give Them Something to Believe Complete New Game Plus

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Still counting Attain a Time Trial star rating of 50

Professional Reach Rank 10 (Ranked Match)

Master Play fifteen games

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

New Superpower Complete all China Rising Assignments

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

Undiscovered Truths Find all the intel hidden in Nightfall.

Untouchable Emissary Reach the end of the game without a game over.

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Leader Of The Pack Wear the Ocelot Armour and complete any mission featuring Ocelots without killing any of them.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

A Can Of Worms Play Trial of the Worm for the first time.

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

A New Hope See all of the endings of Ninja
Scroll of the Demon Blade.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

The third faction Rescue all the Buddies from their respective predicaments

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Frozen Fists Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.