StonerOU

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

Royal Rumble Winner Win a 30-Man Royal Rumble

Wild Card Completed Wild Card.

Master of the Mojave Discovered 125 locations.

Itegami Learn how to use Blizzard.

Knack Master Completed all chapters on Very Hard difficulty

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

Tensile Strengthener Awarded for completing your tension training, and entering super-high-tension mode.

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

TLAD: The Lost Boy Become leader of The Lost. (The Lost and Damned)

Hall of Famer Win all chocobo races.

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

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

Twin Birdbrains Defeat the twin demons, Lechku and Nechku.

Finish Him? Perform any fighter's hidden finishing move

EXTRA: Brave Story Find the Brave Story at minute 18 in Space 54.

Apollo's Lyre Acquire the Lyre of Apollo

Decrypted Complete Jackal Canyon in the Campaign

Blighted One Reach level 50

No Furball on the Menu Make your way to shore without being swallowed by the Water Dragon.

New Legend Defeat 10 opponents with a Created Legend in a single tier in Legend Killer Mode

Halfpenny Millionaire Awarded for collecting a total of 500,000 gold coins.

Tinkerer Construct 50 Engineering Items

Walking Death Beat the game on Hard Difficulty

Legend Killer Obtain a medal in Legend Killer Mode

All Creatures Great and Small Complete your Animal Tome.

Squid Soup? Accept Jefferson's Soup

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

Gem Collector Collected 60,000 precious gems.

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

A Mind is a Terrible Thing to Waste Read the minds of everyone ever

Arkham City Lockdown Defeat every Villain With Batman

I Felt Your Presence Witness the cult's meeting

Instigator Start a Spectated Arena Fight in a Settlement

Night Sword Find a Night Sword.

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)

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

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Yes, Very Subtle In solo play, complete a level without using your Abilities, including rush and melee

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

Wash my hands of this mess Bounty Filthy Hands Floyd

Special Class-A Complete game on Hard difficulty

Frequent Flyer Awarded for discovering 40 different Zoom locations.

Pacifist Clear the "Intel Operative Rescue" Side Op without killing a single enemy

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade

Return to Sender Completed Return to Sender.

Taboos should be Challenged Used a Black Rite.

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

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

Power Kat Raised all of Kat's powers to the maximum.