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

Pure Lunacy Complete Dead Space™ 3 Awakened in Pure Survival Mode

Ultimate Pork Roast Recipe Pigsy's Perfect 10: Use all 4 devices on one enemy.

Quadruplets! Pigsy's Perfect 10: Ally 4 enemies using one single Ally device.

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

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

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

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

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

Greatest Tag-Team in History Defeat both Lightning Skeleton arenas in The Great Temple on Hard Mode, with 2 or more players (or as Javier Jaguar)

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

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

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

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)

Ultra, Man! If yer gonna fight, give it your all, pal. Performing 100 Ultra Combos oughta do it, eh?

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)

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

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

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

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

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.

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

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

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

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

Philanthropist Collect all of the art

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

Multiple Pockets Recover all the upgrades for the Relics

Void Collector Recover 30 Void Gems

Life Collector Recover 30 Life Gems

The path of the Claws Acquire all of the Chaos Claws skills and upgrades

Chaos Collector Recover 30 Chaos Gems

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

Expert Silversmith Recover all the Void, Chaos and Life gems

Team Player A 1-on-1 fight is fun, but it's more fun with friends! Try fighting in a Team Battle!

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

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

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

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

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

Is everyone here? Unlock all characters from the original roster.

Taking Flight In Gorod Krovi, ride a Dragon.

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

The path of the warrior Acquire all of the skills and upgrades

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

Moving On Up Ya need to do anything to reach the top of the food chain! Let's see a Rank Up via Ranked Match!