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

Enemy Revealed Defeat the Chaos sorcerer

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

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

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)

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

Skullpture Vulture Find and destroy the 5 hidden Rex Graffiti Skullptures

True Tourist Visit all 10 giant LEGO City stone statues

Fair's Fair Ride each of the 4 Super Build fairground rides

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

Activation Activate the Remnant city.

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

Belly Of The Beast Complete an Ops Activity on Master difficulty or higher.

Why Is It Always You Three? Hear all of the Chaplain's dialogues

Skin Deep Skin every species of animal in Story Mode.

Platinum Congratulations!

Zoologist Study every animal across all states in Story Mode.

New Testament: Ch. 1-4 (Hard) Complete Chapters 1 through 4 on Hard difficulty.

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

Overcoming the Nemesis Defeat Nemesis

Secret Shields Find and build the 5 hidden Police Shields

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

Shield Collector Collect all Police Shield pieces in the game

Sphere Master Complete a Sphere Grid for one character

Shield of the Chosen King Completed the trials on Normal.

Kitted Out Kill a foe with a Rank 5 weapon in a single-player game or equip a Rank 10 weapon in multiplayer.

Light collector Gather all the 30 Light gems

Family Connections Reboot the Pathfinder.

Veteran Acquire 100000 experience points

Mission Accomplished Activate Meridian.

Green collector Gather all the 30 Life gems

Peak Condition Reach Level 40 in single-player mode or Level 20 in multiplayer mode.

New Testament: Ch. 5-7 (Hard) Complete Chapters 5 through 7 on Hard difficulty.

Super Builder Construct all 65 city Super Builds

Undertaker - Kill 1000 Helghast Kill 1000 Helghast soldiers

Cheat Chief Collect all Red Bricks

Break of Dawn Discover the true nature of the Aurora device

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

Treasure Fanatic Discover all of the Umbra Witches' final resting places.

Fire The Afterburners Earn Platinum Medals during Verse 1 and Verse 2 of Chapter 14.

Master improver Find all the secret Brotherhood arks

Dark collector Gather all the 30 Shadow gems

Speedster Complete all Vehicle Races

Five Finger Discount Finish the Supermarket level in "Joe's Adventures."

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

Free Run Done Complete all Free Run Challenges

Taffer's Delight Completed Burial at Sea - Episode 2 in 1998 mode.

Into the Abyss Withstand and overcome the Chaos invasion

Focused Farmer Complete all Farmer City Challenges