Migeman

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Ready as We'll Ever Be Awarded for obtaining an abiding symbol of hope.

You can't handle it Upgrade Dante's Devil Trigger to maximum

Platinum strain You have it all!

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Journeyman Treasure Hunter Loot 100 chests.

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Donut Mess with a Cop Unlock Officer Dick.

Party Animal Awarded for earning the maximum number of party power points.

Hi Score Collect 1,000,000 points over all story levels you have played.

Beyond the Shades Encounter a former S.T.A.R.S. captain.

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

Going to the Vet Earn the "Veteran" Challenge Collection.
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No Damage! Finish any Stage without taking damage.

Street Fighter Complete all Dragon's Teeth Assignments

Another Dimension Collect 2000 worth of gold lying on spikes, while using the Phase Locket.

World Champ Training Completed training with Hercule!

That Party was Ace Ace every Adventure level in The Journey Home.

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Two for One Complete Crime and Punishment in Multiplayer.

Accessory All Areas Awarded for making every single available improvement to an accessory.

Fusion Training Completed training with Gotenks!

Head Trauma Use every type of melee weapon on a zombie

Don't burn yourself out Defeated the Keeper

Falcon and the Snowman Complete Crime and Punishment in Single Player.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Good Listener Found 20 Portable Phonographs.
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E Pluribus Unum Earn 20 team citations.

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Tailor-made Chose a perfectly fitting armor

Golden Idol Perform every Single Player Skillshot in the game

Rank 3 Cleared! Clear rank 3 of the challenge tournaments

Into the Manse Entered the duke's manse.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Monkey Obsessed! Collect every Monkey Toy in the game.

Headshunter Defeated a hydra or archydra.

Grate Hall Access the Oubliette

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

Full-Auto Frenzy! Kill a total of 200 Enemies using Rubi's Sub-Machineguns during acrobatic slow-mo.

Supernova Get 3 stars on each of the first 14 Echoes

Gasmoxian Slug Beat all of Nitros Oxide's times in Time Trial Mode.

Midland Overseer 【RAID MODE】Clear all stages on Trench with an S rank.

Don't speak. Just die! Complete all missions (Nephilim or above) on Hardcore mode with Vergil

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Save the Girl... Yet Again Save a damsel in distress for the third and final time.