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Assassin's Greed You completed all 9 assassin missions.

Quick Strike Be the first one to defeat an enemy in a multiplayer match.

Sinking to New Depths! Find the lowest point in the world.

Project: Resurrection Complete the mission "Project: Resurrection".

I'm Just Happy You're Alive! Complete Chapter 11 - ''Above Parr''

Teacher's Pet Complete six classes.

Speed Demon Finish the game in under 12 hours.

The White Tiger Complete story mission 3.

Ashes of the Empire Complete the mission "Ashes of the Empire".

Commander Of Magic Purchase all techniques.

Best Vacation Ever! Complete Chapter 12 - ''The Final Showdown''

Resourceful Agent Help friendlies in resource gathering.

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

Where Are They Now? Complete ''Omnidroid Rampage''

Beware of the Lagomorph Kill 30 enemies with the Clockwork Bomb

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness

A Close Second Finish a race with Dash achieving silver

Saboteur Complete 150 sabotages.

Inferno Complete the mission "Inferno".

Just Keep Swimming Complete an underwater race as Dory

No Capes! Create a custom character with a cape

Kamfetti Kill 5 enemies with the fans on Kamino.

Bold! Dramatic! Heroic! Create a custom character

Order Fulfilled You completed all 10 Exotic Export orders.

Warrior Special Dodge the Warrior's attacks 20 times in one battle.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

King of the Skill Equip and use each skill.

Double, Double, Toil And Trouble Create 20 Concoctions.

Stick Around Impaled Victor Creed outside the Bar

Venting Frustration Spend 7 minutes on steam vents

Superhero of the Year Clean up all districts

Freshman Complete Chapter 1.

First Step Complete your first mission in Jimmy's Vendetta.

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

Freeze! Freeze a police officer with Frozone

Just Peachy Collect all the Peaches in the Scroll of Destiny

The Supers Have Returned! Complete 50 ambient crimes in the city

Chapters 12-13 (Normal) Complete Chapters 12 and 13 on Normal difficulty.

The Best of the Best Achieve True Super in all levels

Truly Incredible! Complete all Family Builds

Kit Car Collect all Minikits in a level

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Luck Favors the Prepared Collect all Red Bricks

I'm You, But Stronger! Pair Buddy Pine with Syndrome

I'm a Billionaire! Earn 1,000,000,000 Studs

Liberty City Minute You finished the story in less than 30 hours.

A Short Introduction Begin a new hunt with Torvin.

Body Count Kill 750 enemies.

Someone's Always in Trouble Release a district boss from prison

Perfect Killer Quick Killed 3 enemies in a row