ForbiddenPhoenix

Hurler Kill 100 monsters with thrown melee weapons

Slaughter House Dismembered 100 enemies

Go for the Limbs! Dismember 500 limbs from living enemies.

Ricky Recruit Complete 21 daily challenges in Headquarters.

Helicopter Ride Defeated David Nord (Agent Zero)

The Final Countdown Complete The Final Countdown in Campaign on any difficulty.

Ripperologist Achieve 100% synchronization in Jack the Ripper.

Expert Creator Complete all levels in the Tutorials

Fully Weaponized Fully upgrade a Legendary weapon.

Order Fulfilled You completed all 10 Exotic Export orders.

Close Encounter Kill 10 alien Necromorphs.

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

Radio Silence Complete the game without using the radio.

Chapter 5 Complete Complete Chapter 5 in story mode

Chain Smoker Disable 50 enemies using smoke grenades.

Obtain level 70 Obtain level 70

I AM the Batman! Reclaim your city.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

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

Venting Frustration Spend 7 minutes on steam vents

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

Under The Red Hood Shut down this operation.

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

Vicious Circle Reach the "Maria" ending.

Astonishing Found 1/2 of all Dog Tags in the game

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

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

Whatever it Takes Killed 30 enemies using objects in the environment

Mutant Lover Raised one Mutagen to level 3

One Man Army Kill 400 enemies.

Got 'Em Destroy all Mr. Raccoons hidden in The Ghost Survivors mode.

The Hurt Mine Locker Kill 10 monsters with one mine

Once More, With Feeling Finish the main story in New Game+ mode

Pieces Unarranged Collect all the Strange Photos in a single playthrough.

Fallen Sentinel Defeated the Sentinel Mark I

Put up your Dukes Defeated Fred Dukes (The Blob)

Mystery solved Find all the secret files

Hunter-Seeker Find and kill all the most dangerous monstrosities located in dead zones

Echoes Witness all glimpses of the past in a single playthrough.

52 Pickup Defeated Remy LeBeau (Gambit)

Dream Team Complete all the main quests cooperatively with any number of partners

Faster Than Fog Finish the game in under 10 hours.

General of the Army Enter Prestige 1 in Multiplayer while playing online.

The Village Completed the Jungle Mission

Invitation to Die For Completed Chapter 1 of Episode 6

Who Needs Fire? Escape from the detention center in Claire's Episode One without using the flame-thrower bust.

Mr. Sandman Completed Chapter 2 of Episode 6

I Don't Have Time for This! It won't stay dead! Better only fight when I have to. (Ch. 7)

It's an Order Mark 100 opponents which were then killed by your co-op partners

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