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I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

Come On And ... Slam 10 zombies at once in Outbreak.

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Worth Every Penny Acquire 1000 credits in one month.

Battle Master Only winners can attain such beauty. Win 30 matches online and I may share my beauty secrets.

Dom-curious Complete 1 co-op chapter in co-op (on any difficulty)

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Two's Company, Four's a Party Complete any Adventure level with 4 players.

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

Off My Planet Recover the Hyperwave Beacon.

Three For The Road In the pursuit of strength, one must have a goal! In Endless Battle win 3 matches in a row.

Forged in Blood and Fire Craft an item in the Adamantine Forge.

Two for One Complete Crime and Punishment in Multiplayer.

Room to Grow Upgrade a facility

Classic Mercenary Complete all acts on Normal Difficulty
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Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Street Fighter Complete all Dragon's Teeth Assignments

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Hi Score Collect 1,000,000 points over all story levels you have played.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

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

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

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Man No More Build a suit of powered armor.

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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

You Can Pet The Dog Pet a Hellhound in MWZ

Up-Lifting On Monorail Factory, kill all enemies whilst riding the lift

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

New Threads Use a new Title and Icon, and fight in one online match. Right on!

Brand Equity Complete any manufacturer challenge category.

Area of Expertise Complete any gear challenge category.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

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

Car Explosion Cause an enemy to die in a car explosion

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer