ExStim

The night is dark Kill 12 enemies without getting detected.

Rain Man Complete the BRIDGE level without a kill.

Bounty Hunter Get a total of 50,000 BP.

The Loop Experience the loop (The Lost Archive).

No Way Out Complete the KHAN level.

Kudets Get the Kudets

Mouse Trap Kill 5 guards with a scaffold after they have been stunned by caltrops.

Ghost in the Machine Completed Chapter 4 of Episode 7

I Must Break You Beat a friend's highlight (best score of a friend).

Fast Fingers Loot 50 dead guards with thief looting.

Offline Mode Completed Chapter 6 of Episode 7

Breaking and Entering Completed Chapter 5 of Episode 7

Dang Girl, You Ace At This Game Win the most challenging round in Murderlin's Temple.

The Hurt Mine Locker Kill 10 monsters with one mine

Pitcher Use all throwing weapons at least once

Zookeeper Kill the Brawler in Haven without taking any damage

Be The Very Best Get all Collectibles and 3 stars on all Activities

The Brightest Stars Get a 3 Star Rating on all the Activities in the game

Let the Games Begin Completed Chapter 1 of Episode 8

Stories to Tell Completed 10 substories.

Anecdote Find an indecent book

Radio Silence Complete the game without using the radio.

Knife Beats Chainsaw His engine roars, but my knife is strong enough to take him out. (Ch.3)

Capped Collect all Animus data fragments.

Man of Steal Awarded for successfully stealing 50 times.

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

Operation Red Circus Complete Operation Red Circus in Campaign on any difficulty.

True Hero Make all the right choices.

Jeweler Never fall in the fish dryer

Light the Fires! Earn 10 Relics (gold or better).

Temper Temper Hunt your first tempered monster.

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

Far From Home Complete the quest "Far From Home"

Lightning Strikes Kill 5 guards in 5 seconds using only your hidden blades.

Invisible Savior Complete the FACILITY level without killing or raising alarm.

Silent Protagonist Meet 'Akano

Child of the Shadows Finish a single chapter without alerting anyone

Raining Limbs Kill 25 Grims using only grenades

Dropping L-Bombs Trigger two Logic Bombs in less than 15 seconds

Parole Day GTA Online: You completed The Prison Break as Heist Leader or Crew.

Playing for Keeps Completed Chapter 2 of Episode 8

One Man Army Kill 400 enemies.

Disappearance Complete "A QUIET EXIT" mission.

The Hunter's Life for Me Complete 50 optional quests.

To the Victor Go the Spoils Completed Chapter 6 of Episode 8

Gaming the System Completed Chapter 5 of Episode 8

The Most Dangerous Game Completed Chapter 4 of Episode 8

Challenge: Accepted Completed Chapter 3 of Episode 8

Skilled Warrior Defeat a Colossus with a Downward Jump Stab

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