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

Student of History Activate all Iron Lord Artifacts.

Quick Off Your Feet In Der Eisendrache, wall buy the BRM.

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

Phantom Exterminator Kill 5 Phantoms in one game in Nightfall in Regular or Hardcore difficulty.

Dialed In Customize your loadout in every Open Combat Mission

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

Elevate Your Senses! Activate the Fly Trap. (Map Pack 3 only)

Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

Do you even Exo? Exo Melee kill 10 zombies in 30 seconds in Outbreak.

Cheapskate Acquire the exo suit without spending any money in Outbreak.

The Golden Touch Defeat a boss with one of Ms. Chalice's Super Arts

Act 4 Veteran Complete Act 4 on Veteran difficulty or higher.

Through the Dimensional Rift Defeated Omega.

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'

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)

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

Spliced Complete the "Wrath of the Machine" raid.

Death From Above In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

Act 3 Veteran Complete all Act 3 maps on Veteran difficulty or higher.

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

Completionist Dominate 100% of Career by beating all the track records.

A Vacation in the Wilds Defeat every boss in Inkwell Isle IV

Checkmate Defeat all of the King of Games' Champions

Smoke And Mirrors, But Without The Mirrors Use a Smoke Grenade to become hidden while at Critical Health.

Red Barrels Explode all the red barrels on the rooftop while in a helicopter

Hired Gun Complete 20 Contracts in MWZ

Roll Credits Kill Jason.

Full Master Earn all Gold Medals available in Mastery Challenge

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Star struck Get 3 Stars on 10 different Echoes

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Decadent Defeat 10 bosses with Ms. Chalice

Guerrilla Tactics Execute at least 25 different Skillshots in one Echo round

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

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

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Silence is Golden You completed The Brigmore Witches without alerting anyone

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

A New Protagonist Earned the top ranking in the Friendly Match.

Occasio Calva Complete Kairos Gate.

Bug Spray Earn the Distinguished Flying Service Cross

Go for Gold! In Onslaught, acquire seven gold chalices

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)