Balzary

Wave and Smile Play any Arena in co-op.

Wendell's Story DLC Vietnam: Complete the game (Host only).

Leave no one behind DLC Vietnam: Free the 3 US prisoners of war (Host only).

Night Terrors Complete "Lost in Nightmares" on Professional.

Silent Death DLC Vietnam: Perform 25 stealth kills while you have the 4 survival instinct tokens.

Are you scared, yet? Scare 200 enemies.

Mechanical Menace Complete "Mechanical Menace"

Totally Recalled Successfully recovered the Override Key.

Sneaky Little Buggers Killed each of the loot midgets

Intergalactic Disco Star Dance along with your Alien Buddy and touch 7 stars.

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

Completed Grounded Mode Completed Grounded Mode

Assassin's Greed You completed all 9 assassin missions.

Shadow Play Gave the H-Source to Jack.

Make them count DLC Vietnam: Kill a total of 25 enemies with airstrikes (Host only).

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

Ripperologist Achieve 100% synchronization in Jack the Ripper.

Expert Creator Complete all levels in the Tutorials

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

A Legend for All Time Complete Jin's Journey in New Game+.

World Traveler Collect one glowing piece from each of the 4 toy sets.

Completed Grounded Mode Plus Completed Grounded Mode Plus

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

Cabin Fever Make it to the cabin in Regular or Hardcore difficulty.

Shadow of Your Former Self Defeated 5H4D0W-TP.

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

Far From Home Complete the quest "Far From Home"

Show us that grin! Stretch the Alien's face as far as you can.

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

A Short Introduction Begin a new hunt with Torvin.

Robot Hunter Unlock 10 Robot Mods

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

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

Headhunting Complete "Headhunting"

Lost Property No crimefighter should be without this

Chapter VII Survive the encounter with Laura

Destiny's Trialed Complete the Forge of Destiny Challenge Tomb

DLC: Mars: Nick's Story Complete the game (Host Only).

DLC: Mars:Bug Squasher Perform 10 takedowns on Arachnids using the Power Glove.

Restoring Order Complete "Restoring Order"

DLC: Zombies: FertiliZer Kill 10 Gougers or Hot Heads with the tractor in Fields of Terror.

Chapter VIII Acquire the power of the second Dark Lord

Liberation Day Free your first slave.

The Most Toys Build 10 Robot Mods

DLC: Mars: The Queen is Dead! Kill all the Queens (Host Only).

Looking for trouble Survive 5 waves in each of the 4 Arenas.

Where You Belong Complete the quest "Where You Belong"

Errand Boy Complete the Specialist Boss Fight.

Death Incarnate Survive wave 30.

Chapter IX Persuade Baba Yaga to open a portal to the Necromancer area