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"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Join The Midnight Club You won a multiplayer race without damaging your vehicle too much.

Platinum Congratulations!

Returning to the Roots Return to Odin's Camp for the first time (The Forgotten Saga)

Fresh Meat Complete a public Road RAGE match

Skin Deep Skin every species of animal in Story Mode.

Mr. Oddjob Complete 5 Job Board Quests in one play-through

Zoologist Study every animal across all states in Story Mode.

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

Skillful Raider Endurance Challenge: Open 5 Codices or Sarcophagi without getting caught in a trap

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

Teamplayer You killed 5 opposing team members.

Passive Aggressive Get 3 kills with a single Sentry Bot

Best in the West Attain 100% completion.

Master and Apprentice Endurance Co-op Challenge: Escape the forest after surviving 10 days with at least 20 Artifacts

Preemptive Strike Playing as The Orchid, block 10 abilities from opponents with Sabotage.

Bomb Squad Defuse all bombs in 3 minutes or less

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Roadkill Run over 10 Mutants

Sharpshooter Kill 100 enemies by headshots in "Jimmy's Vendetta".

Sacred Land Playing as The Jaguar, be the highest scoring player of a Domination game session.

Carnapper Finish all car dealer missions in "Jimmy's Vendetta".

Revenged Finish "Jimmy's Vendetta" on any difficulty level.

Adventure Besties Endurance Co-op Challenge: Escape the forest with 5 Medium and Large Artifacts

JACKPOT! Roll 4 Targets in the first round of Tombstones

The Legend Begins... Complete a Legend of the Wasteland

Armament King Kill your enemies in "Jimmy's Vendetta" with every weapon available in the game.

Gold Rush Earn 70 Gold Medals in Story missions.

Firebug Destroy 100 vehicles in "Jimmy's Vendetta".

Keep 'Em Coming Get 5 kills with one deployed Sentry Turret

The Innocent and the Predatory Capture all of Black Mask's Assassins

Snap To It Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan

Crime Fighter Stop 20 Crime in Progress

Around the World Use the Batwing to travel to all Fast Travel points

MVP Get first place in a public Road RAGE match

Crime Scene Investigator Complete all Casefiles

Counter-intelligence Decipher one Extortion File

Silent But Deadly Stealth kill 10 Enemies with the Striker Crossbow

Data Analyst Analyze your performance using the Data Logger.

Legend of the West Legend of the West

Millionaire Earn 1,000,000 points in "Jimmy's Vendetta".

The Only Choice Given Get 8 Kills While Dangling From A Chain [FREE AIM]

World's Greatest Detective Master the World's Greatest Detective Dark Knight track

In the Eye of a Murdercane Win a round of Arms Race.

Top The Midnight Club You won 20 different multiplayer standard races.

Amidst The Wreckage Destroy All The Models In The Boardroom