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Blind Bomber In a round get 5 kills with air vehicles in Gulf of Oman

Redline Completionist Gain all stars in 'Redline'

Best...Alternate...Ever! Unlock Mileena's 3rd Alternate Costume

Long Live the King Complete the King's Fall Raid (Heroic).

Luck Be A Lady Get all MK Dragons in Test Your Luck

Covert Agent In Blood Feud, reach the Guild meeting without ever breaking stealth

Party's Over In Most Wanted, perform 5 takedowns on guards in the gala without being spotted

Cold Blooded Get a kill with an icicle

AMG Champion Win the 'AMG' Trophy event on gold star difficulty.

One of Each Use every Freeflow Focus gadget in one combo

Ultimate Humiliation Perform every fighter's hidden finishing move

Get the Bozak Complete Bozak's challenges

Student of History Activate all Iron Lord Artifacts.

Your Titan is Ready Get a kill by activating the Titan Engines

Sakura Completionist Gain all stars in 'Sakura'.

Bye-Bye, Dark Aether Help the lost scientist complete his experiment

Your tax dollars at work Use a missile to take out a single enemy in 'Danger Close'

Apex Completionist Gain all stars in 'Apex'

Dialed In Customize your loadout in every Open Combat Mission

The Competitor Complete 200 Versus matches (online OR offline)

Cleanest Hands You completed The Brigmore Witches without killing anyone

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Spliced Complete the "Wrath of the Machine" raid.

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Downforce Completionist Gain all stars in 'Downforce'.

Solitary Met a strange person in a strange place

Hired Gun Complete 20 Contracts in MWZ

Lamborghini Completionist Gain all stars in 'Lamborghini'.

Midnight Completionist Gain all stars in 'Midnight'.

The Boy Who Could Run Complete all Parkour Fever Challenges

Walk in the Park Complete the game on hard using hardcore mode

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Frequent Flyer BASE jump and travel more than 150 m with your parachute

Horsepower Completionist Gain all stars in 'Horsepower'.

Silence is Golden You completed The Brigmore Witches without alerting anyone

Trine 2 Hard Earn all Trophies in Trine 2

RPM Completionist Gain all stars in 'RPM'.

Elements Completionist Gain all stars in 'Elements'.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Together Till the End Be the last man standing

GD Parkour Instructor Complete all Parkour Fever Challenges at night

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.