AddictingSins

Against all odds Defeat any Boss without taking damage

Diamond Medal Defeated all bosses using Diamond Knack

Gnomad Complete GnoMAD

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

The Boss Reached 30th level.

Hammer Havoc Kill an enemy with a thrown hammer bouncing at least once before kill

Masked Acquire all Mask Shards

Marked for Greatness Seal 75 rifts in a single playthrough.

The Gift that Keeps on Giving Experienced all 9 Game Modes and all 9 Modifiers of the Mutator.

Tater Tote Carry science forward

Talent Pool Completed Talent Pool.

People Person Become friends with at least three of your inner circle in one playthrough.

Complete Eve's Asylum Complete the main path of Eve's Asylum

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

Gasoline Cowboy Rescue your allies with the Sherman while keeping your armor above 80% in Collateral Damage.

Powered by Steam Collect all the items (Steam Cells) on Airship

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

Treasure Hunter Held every weapon and accessory.

The Friend Zone Play a Quick or Competitive Play game in a group with a friend.

Knack Master Completed all chapters on Very Hard difficulty

Ultimate Hero Acquired all trophies.

Legend Defeat a Legendary Dragon

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

Wild Card Completed Wild Card.

Hell on Wheels Complete 'Blood and Iron' on Veteran difficulty. (Solo only)

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

Stargazer Unlock 15 astrariums in a single playthrough.

Piece of Cake Complete the SP campaign on Easy Difficulty

Ascension Collect 2400 Essence and hear the Seer’s final words

Beating the One-Eyed Worm Defeat the Leech

Parasite-Seeing In Shadows of Evil, kill 5 Parasites while riding on the train.

A Floral Feast Feed carnivorous plants with three or more different kinds of treats

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

Stranger Than Friction Master the Propulsion Gel

I feel lucky Purified the sword of the unlucky grave robber

Undertaker In The Final Reich, kill the Bomber with the shovel.

Aerial Dance Defeat 5th Colossus

Blessed Acquire all Charms and receive Salubra’s blessing

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

I've Brought You A Gift Defeat the Soul Arbiter

White Out Complete the first Conversion Gel test

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

Wash my hands of this mess Bounty Filthy Hands Floyd

Veteran Main character learned a specialization

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.

Throttled Escape Escape using a relic in Regular or Hardcore difficulty.

Hippy-Stomper Foot stomp 12 aliens

Taboos should be Challenged Used a Black Rite.

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

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)