HalStep

Eureka Crack the Jindosh Lock without finding the solution elsewhere

Grin and Bear it Survive 18 bear attacks and kill the bear each time in Story Mode.

Competitive Nature Complete at least one match in each mode

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

Depth Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets

Location Scout Visit all Locations in Director Mode.

Diamond Medal Defeated all bosses using Diamond Knack

Acquaintances Forgotten Follow Pritchard's lead to uncover the truth.

"Eh, eh-eh. Eh eh, eh-eh!" Make someone strut their stuff

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

That Old Familiar Feeling Clear The Hallway Of Lasers

Iron Will You faced your own demons and gave no ground to them.

Big Fat Party Animal Killed 50 enemies using the Hartmann 7.62mm and wearing the Party Animal outfit

Not even a dent Complete a level with a custom made ship, without dying

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

In the Name of Science GTA Online: You completed The Humane Labs Raid and Series A Funding as Heist Leader or Crew.

Gazebo Pay tribute to Jessamine one last time

The Royal Protector Finish the game with Corvo Attano

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

Between Technology & the Divine Complete & win the debate with Talos Rucker.

Los Santos Legend Congratulations! You're Vinewood's biggest star!

Knack Master Completed all chapters on Very Hard difficulty

Speed Demon Complete the game in under 4 hours

Challenge Accepted Complete all challenges in a single mission.

The Commander You unlocked Commander Video! Double rainbow all da way!

With Practiced Bravado 100 Kills During Shootdodge

Mission Impossible Complete the game on Zealot setting

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

Outsmarted In singleplayer, get a quadruple kill with a single Frag Grenade

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

Well Prepared Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.

Channel Changer Take control of the enemy held radio and capture it with just seconds remaining

Hardcore Complete the game in Ranger Hardcore mode.

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

Trick Arrow Skills Shoot a Lizard with a Special Arrow

Howlers ’til the End Side with the Howlers in the Dust District

Spotter Killed 30 Enemies Using Sniper Support

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

The Bird in the Sky Never get noticed by the helicopter

Walking Death Beat the game on Hard Difficulty

Wrecking Machine Destroy 40 vehicles in the single player Campaign.

Danger Close Killed 30 enemies using Proximity Mines

Trap Game Strong Successfully triggered 10 Vehicle Traps

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

Complete your 1st Party Round Awarded when you complete the 1st Round of your 1st Party.

Complete a 750yd drift inside the Inspiral Car Park Awarded when you complete a continuous 750yd drift inside the Inspiral car Park

“Worlds of Hurt” – Expert Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

Dockyard Discord Finish the Connection level in "Joe's Adventures."

Fresh Out of the Package With Koller's help and the Neuroplasticity Calibrator, eliminate overclocking for experimental augs.

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)