Dukes4369

Wave and Smile Play any Arena in co-op.

Sleeping with the Fishes Complete Mission 9 (Any Difficulty Level)

Give Me Five! First kill with a Mannequin Arm.

Cleaning Up First kill with a Mop Handle.

Zombie Hunter Kill 10 000 Zombies

Treasure Amateur Collect 50 treasures in Scenario Campaign Mode.

Took the Highway Complete Mission 10 (Any Difficulty Level)

Hit And Run Release Jennings from his Trap.

Combo Master Perform a 50 chain combo in Scenario Campaign Mode.

Night Terrors Complete "Lost in Nightmares" on Professional.

Lights Off First kill with a Table Lamp.

Sometimes It Sticks First kill with a Nail Bat.

Out of honey? Chew bees! Survive 5 waves using only your fists and legs.

Arcade Addict Clear the Arcade Battle in Offline Mode.

Rough Economy Kill 3 enemies with a single round.

Say Hello To My Little Friend First kill with a Gun.

Duress Kill 20 minions.

Extreme Firefighting Set 5 enemies on fire and then kill them with explosives.

In Harmony 500 coop jumps.

Sinking to New Depths! Find the lowest point in the world.

Love That Money Collect more than 5,000,000 G.

Absent Parent Release Melissa from her Trap.

Brute Force Defeat 100 enemies with the Lead Pipe in Scenario Campaign Mode.

Enemy Hunting Enthusiast Defeat 1000 enemies in Scenario Campaign Mode.

Speed Demon Finish the game in under 12 hours.

Light Seeds Gatherer Collect 700 Light Seeds.

It's All Coming Back to Me Recover your memory in Scenario Campaign Mode.

I Can Stop Anytime Used 20 Health Syringes.

Penetrated First kill with a Syringe.

Grave Digger First kill with a Shovel.

Assassin View Find the Assassin's view.

Get Your Hands Dirty Complete 'Semper Fi' on Veteran difficulty. (Solo only)

Ghost Vanquisher Defeat 30 Ghosts.

Treasure Enthusiast Collect 100 treasures in Scenario Campaign Mode.

Thirsty Fighter Pick up 50 drink items in Scenario Campaign Mode.

Aphasia Release Oswald from his Trap.

Warrior Special Dodge the Warrior's attacks 20 times in one battle.

Playing With Fire Defeat 100 enemies with the Flamethrower in Scenario Campaign Mode.

The Key to Victory Obtain the boot-up key in Scenario Campaign Mode.

Chapter V Gain access to the Vampire Castle

Fire Hazard First kill with fire.

Splitting Headache First kill with Scissors.

Curb Stomp Stomped first Minion to death.

First Step Complete your first mission in Jimmy's Vendetta.

Firestarter Complete a level using only the flamethrower. Melee, grenades & explosives are OK.

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

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

Chapter VI Leave the Refectory with the Butcher's key

Eager Student Release Obi from his Trap.

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