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Walking With Spirits Completed "Walking With Spirits"

No Retreat Execute a PERFECT escape

Survivor! Survived a Piranha Pond without a scratch!

Talion A.D. Descend into the bowels of an urban jungle and confront a warrior-priest.

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

You Got The Message You delivered all 30 cars ordered through text message.

Fresh Meat Complete a public Road RAGE match

A Meeting of the Minds Completed "A Meeting of the Minds"

Instigator Start a Spectated Arena Fight in a Settlement

Found Kunoichi Find and free Kunoichi

Lost and Found Retrieve all five missing ninja

Stunt Flyer Fly an airplane close to the ground for 30 seconds.

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Pied Piper Incite 50 enemies to dance

Crash Landing Defeat Boss Screeching Owl

Eregion Reforged Build all the Forge Towers in Udun.

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)

No More Strangers You've met all the random characters.

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Misconception Destroy 25 Infected Water Towers before they hatch.

Up, over, under, onwards String together the following: jump, coil (over obstacle), slide (under obstacle)

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

Unsafe Working Conditions Completed "Unsafe Working Conditions"

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

Sweet goodbye Triggered the flip-off move

Home Sweet Home Complete "Home Sweet Home"

A Trusted Ally Complete 49 faction missions.

Free Labor Completed "Free Labor"

Platinum Congratulations!

Power Play Complete "Power Play"

High Five Celebrate your cooperative calibration success

Shock Value Completed "Shock Value"

Restore Balance Defeat the Evil Samurai Warlord

Little Ninja Complete game on easy or medium difficulty

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

Treadhead - Kill 30 Helghast whilst in the tank Take 30 Helghast lives whilst using the ISA tank

Sage of Philosophy Reach level cap

Lucky Guess Next time, Jacob better use a more complex code to arm his bombs.

Jetpacker Kill an Authority Enforcer during Jetpack descent

Teamplayer You killed 5 opposing team members.

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

Painbow Connection Equip effervescent-quality gear in all slots (except class mod).

Botanist Collect one of each ingredient

New Vegas Samurai Caused 10,000 damage with Melee Weapons.

The Take Greedy bastard. You accepted O'Malley's blood money and let him go.

Genetically Superior You came first in 20 singleplayer street races.

Tech Curator Collect all Tech Orbs.

Who Dares Wins Completed "Who Dares Wins"