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It's a Wash Complete mission “The Name of the Law”.

Meat and Greet Complete mission “Enter the Psychoscape”.

Ain't Nowhere Safer You captured Slim Beaumont

You're Going Down! Perform 50 takedowns.

Honey and Ice Cream Complete Chapter 11 - The Proof of the Pudding is in the Meeting

Swiped clean! Save all the Teensies in one world to win a Diamond Cup

I Had To Put Him Down Kill a Caragath with an Execution.

Producer's Cut [Tape 1] Deleted footage.

Qi Gong: Mind Receive the highest XP-based shrine reward for the first time.

The Stars, Like Dust Attain 'Trailblazer' status in Space Exploration

Twice Nightly Complete New Game Plus

24 hours in Paradise on a bike Awarded for spending a full 24 hour day and night cycle riding a bike.

Build in Sight Complete Chapter 12 - The Con in Construction

A Lady's Blood in the Snow Kill Kuroki at the end of the Museum.

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

More Than Handy Craft an Outfit, a Weapon, and a Theme

From the Shadows In Shadows of Evil, spot the Shadowman fives times in one game.

One for the Books Complete the Game Records section of the Gummiphone.

Set the World on Fire Set 25 enemies on fire

Storyteller Collect all Story entries in Jiminy's Journal.

Hardest Battle In The Game Defeat Dr. Giblets.

Locked and Loaded Develop 300 or more development items.

I can do anything I want. I got guns Complete the weapon mastery for 3 weapons.

Get A Life Get A+ on all the chapters

Flash Car Build up the brick multiplier to activate the super car

In Storybook Endings Lock up Mad Hatter in GCPD.

Survivalist Complete 60 Quests

Stack() Create a Function combination requiring 12 MEM.

Sociopathic Networker Talked to all of Claptrap's Holographic Projections.

The Angelic Ruins Completed the larger challenge in The Angelic Ruins coliseum

Minimalist Reach the Watchtower without throwing more than 3 balls.

Armor Piercing Kill a tank driver with the Quantum Aperture.

This is no Sunday School picnic! Complete the Campaign on Hard difficulty.

Long way down Throw an enemy off one of the bridges (Mission 8)

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

The Fat and the Furious Complete a Continuous Speed Run as Doughnut Drake

Synthesist Complete the Synthesis section of the Gummiphone.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

I'm ahead! Beat one of your friends' scores in a Challenge

A Man Apart Finish Chapter Six

Getting Off Track Complete mission “Off the Rails”.

ALIEN AUTOPSY Captured 100 live aliens

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Right tool for the job Kill 75 enemies using the weapon type that's most effective against their shield type.

“Worlds of Hurt” – Collector Found all collectable Roses in “Worlds of Hurt”

Man vs Monsters Play 25 BATTLEMODE matches

Ultimate Protection Complete Chapter 14 - Savings and Loans

Back to Blackwell's Complete Chapter 13 - Secrets

End of the 'lein' Find and kill the visiting General (Mission 3)

Dragonrider Tame and ride 5 dragons