Ceratosaurus

Arkham City Sirens Drop in on an old friend

Pick Pocket Steal the score of a lifetime

Must've Got Lost Complete "Lost in Nightmares" on any difficulty setting.

Getaway Complete "Desperate Escape" on any difficulty setting.

New Game+ Completed Completed a New Game+ playthrough on any difficulty.

Ultra Hard Completed Completed a New Game+ playthrough on Ultra Hard difficulty.

It's Just a Bad Dream! Complete "Lost in Nightmares" with an S rank.

Kung Fu Fighting Inflict a set amount of damage to Wesker in "Lost in Nightmares."

Way of the Warrior Defeat 150 enemies singlehandedly in one playthrough of "Desperate Escape."

The Great Escape Complete "Desperate Escape" with an S rank.

Let's Get This Party Started! Unlock all selectable characters in Versus.

Family Jewels Retrieve your stolen goods

Wish Upon a Star Destroy all 18 of the Score stars found throughout "Lost in Nightmares."

Put the fear into them Cause a panicked enemy to kill another enemy.

Up and coming terror of Whitechapel Unlock 50% of the skills.

A well-kept secret Jack is dead and his identity will be hidden forever.

Brutal Perform 30 complete Brutal Takedowns.

Can't calm the crowd Kill an enemy as they are calming their panicked allies.

Night Terrors Complete "Lost in Nightmares" on Professional.

Are you scared, yet? Scare 200 enemies.

Completed Grounded Mode Completed Grounded Mode

Ripperologist Achieve 100% synchronization in Jack the Ripper.

Completed Grounded Mode Plus Completed Grounded Mode Plus

Lost Property No crimefighter should be without this

Liberation Day Free your first slave.

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

Shoot the Messenger Defeat 3 Agitator Majini in one playthrough of "Desperate Escape."

There's no "I" in Team Score at least 80,000 points in Team Survivors.

It's All About the Points Score at least 40,000 points in Survivors.

Breaking and Entering Find a way into the secret base

Firepower Kill 5 guards at once with a blunderbuss.

Keep the Good Times Rolling Chain a 20-defeated combo in Slayers.

His Word Was “Perhaps” Freedom Cry - Complete all missions

How's It Hanging? Clean up the Dry Docks

Seeds of independence Liberate 500 slaves.

Bringing the Pain Defeat 50 players using physical attacks in Versus.

The Last Laugh The joke's on who?

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

His Full Attention Freedom Cry - Achieve 100% synchronization

Run the Gauntlet Complete "Desperate Escape" on Professional.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Army of One Win 15 matches in Slayers.

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

Eye of the Tiger Win 15 matches in Survivors.

The Team That Slays Together... Win 15 matches in Team Slayers.

We Will Survive Win 15 matches in Team Survivors.

Queen Anne’s Revenge Playing as Blackbeard, perform an acrobatic kill and a gun kill in less than 10 seconds.

Elevator to the Gallows Kill a player using a lift that has been trapped with Booby Trap.