Chulachu-

I Challenge You to a Duel Complete a Medieval level using only Lou Don Jim

Out Of Reach Get an online form of 25 or better.

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

Justice for All! As Captain America, land 3 KOs with a single use of Freedom Charge.

Fodra Queen in 60 Seconds Defeated the Fodra Queen in a minute or less.

Story Lover Clear story mode with 3 different characters.

Songstress' Costume You have witnessed all of Milia's shame breaks. (Story Mode, Solo Play)

Toon Star Win all levels in all modes

The Boss Beats A Boss Defeat a boss using only President of Sony Computer Entertainment Worldwide Studios Shuhei Yoshida

World Beater Get an online form of 1.

Rage Uncaged As Wolverine, land 3 KOs with a single use of Last Stand.

Super, Man! To battle is to win a fight with overwhelming strength! Show me you can do 100 Super Combos!

Noble's Uniform You have witnessed all of Islay's shame breaks. (Story Mode, Solo Play)

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

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

Game Clear: Chaos Completed the game on the Chaos difficulty setting.

Hack the Planet Weaken an enemy that would have dealt lethal damage to an ally using Cyberspace in Quick or Competitive Play.

Gimme Some Skin Play one Versus Match with a Custom Weapon Skin

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

...Maybe One More. Duplicate the same item 7 times in a row with a 3D Printer.

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Customize in 40 Seconds [Customize] Changed Plate, Icon, and Title.

A guard is meant to be broken Used Crush Assault 10 times.

Starlight, Star Bright Earn every star in Team Adventure Mode Chapter 4.

A Blank Card Kill Isaac with Eden

Hobbyist Unlock 3 Fighter Card backgrounds.

War Veteran Arcade: cleared any route with difficulty set on hard.

YOU > Evil...Caves Conquer all Caves of Evil
with Kisuke and Momohime.

One with Oblivion Defeated Lambda Theos. Impressive!

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Terma-nated Defeated Solomus and the Terma Ten.

Catalog Conqueror STU: Complete all nekomata jobs in "The Spider's Thread" mode.

Change! My Avatar! [Customize] Changed avatars.

Burning Inside Kill another player with Crucible in a Foundry Versus Match

Who Were Those Guys, Again? Defeated Veigue, Reala, and Amber.

Boys Club Beat an Echo Six Expansion Pack mission with the 3 male characters in your party.

Slow and Steady Win an action race without using any boost, or using a boost pad

I've already seen stamps [Network] Used a stamp in Online Lobby.

The Floor Is Lava Get 3 killing blows while wall riding as Lúcio without dying in Quick or Competitive Play.

Reach For the Stars Earn every star in Team Adventure Mode Chapter 3.

Combo Machine Perform 20 auto combos. (Arcade/online only)

Powered Up Restore power to the Yucatan Casino.

I'm just a passing avatar [Network] Used a motion in Online Lobby.

Sack the Postman Post all 6 invitations for the party.

Don't Listen to Her Defeat The Song

Lazarus' Rags Kill Isaac with Lazarus

The Runs Complete a... clean... run of any level using only Squirty Harry

Engineering Perfection Complete 30 stages.
20/30

Research Fanatic Watch any replay data.

The Hunt for Infinity Complete Story Mode chapter "Symbiote Attack."