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dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

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

On the Clock Completed the training in Through the Eyes of Evil in under 18 seconds

Electric Whisper Learn how to craft Electric Arrows

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

Horsepower Completionist Gain all stars in 'Horsepower'.

Elements Completionist Gain all stars in 'Elements'.

Utility Man Complete all Missions intercepted from cellular tower signals

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

My Power Level is 530,000 World Match - Acquire 530,000 BP.

RPM Completionist Gain all stars in 'RPM'.

Moneybags Have 15000 credits in the bank in Outbreak.

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

TRIPLE WHAMMY Jump on a GI Pup's head, then punch the helmet so that it takes out at least three enemies in a row.

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

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

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Feel the Magic Use Amy's All-Star Move to send Sonic dizzy with love!

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

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

All Star Get 100 Stars in S.T.A.R. Lab Mode

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Clock Work Set a Personal Best Time on every Time Trial course.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

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

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

TOMB RAIDER Save all Red Putties and get to the exit of Level 1.1: Tomb Of King Phut in 1:10 or less.

Pacesetter Completionist Gain all stars in 'Pacesetter'.

I've Got This Acquire all upgrades

High Roller Purchase every item from the Shopping Menu.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Professional Reach Rank 10 (Ranked Match)

Working Man Use Ryo's All-Star Move to take out Jacky and Akira and show them who's the ultimate martial artist!

Give Them Something to Believe Complete New Game Plus

Ghost Master Defeat a Staff Ghost on every Time Trial course.

Velocity Completionist Gain all stars in 'Velocity'.

Classic Collection Win a race as each racer.

Undiscovered Truths Find all the intel hidden in Nightfall.

Evolution Completionist Gain all stars in 'Evolution'.