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Sisters of Artemis Endurance Co-op Challenge: Kill a combined total of 10 dangerous animals in a single Expedition

One Thousand Suns Complete the Supreme Hybrid Boss Battle.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

We Will Survive Win 15 matches in Team Survivors.

In The Web Consume 50 Web Targets.

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

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

Finish Him? Perform any fighter's hidden finishing move

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

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

In Plain Sight Evade 10 strike teams.

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

What Does This Button Do?? Complete Arcade Ladder without blocking (allowed to continue)

Speed Bumps Run over 500 characters in a single tank.

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)

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

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

Platinum Congratulations!

It's Him! Patsy 5 military personnel.

Misconception Destroy 25 Infected Water Towers before they hatch.

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

Undertaker Unlock 50% of the Krypt

Threat Elevated Destroy 25 strike teams.

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

Infiltrator Infiltrate 10 Military Bases disguised as a Commander.

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

Complet-ality Perform 1 of each type of "-ality"

Invincible Defeat Ustanak without anyone on your team being captured.

Easy Pickings Eliminate all players as Ustanak in less than a minute.

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

Wrecking Yard Destroy 2,000 vehicles.

Cleanup Kill 15 characters with a single Whipfist attack.

Held Captive Defeat Ustanak with only one Agent remaining.

Killer Combo Achieve a 30-combo chain.

Last Man Standing--Again Win five times in a row.

Robots Rule! Win Arcade Tag Ladder with robot Sektor and Cyrax

Kung Fu Fighting Survive to the end only using physical attacks.

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

Surface-To-Air Shoot down 50 helicopters while driving armor.

Organic Shield Kill 5 enemies while using a zombie as a shield.

Return Fire Catch any object tossed by a Hydra; and throw it back.

Team Effort Win without any members of your team being killed.

Take the Stage Defeat your opponent and achieve victory in 3 stages.

Kill or Be Killed Win while in the dying state.

Gunning Destroy 20 Helicopters in a single Helicopter flight.

Experienced Driver Drove for a total of 62.5 miles (approx. 100km)

The Loyalists Follow orders and defeat all liabilities.

Murder Spree Defeat the BSAA as a creature without dying once.