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Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

More Tawtute Will Come Finish the game on the Na'vi side.

Pull! Complete "Pull!" challenge

Enforcer Get at least 15,000 points in one Echo round

World Renowned Achieve first place finishes and pass the DC Challenge in a World Tour event

Quid Pro Quo Help out a fellow inmate by making a trade.

I Can Handle This Myself Enter Sherwood Without Any Survivors

It's Gotta Be the Brain Dismember All Limbs of 5 Walkers

Natural Talent You finished Mystery Foe without using any active supernatural powers

Varterral's Fall Defeated the varterral on Hard or Nightmare difficulty ("Witch Hunt" downloadable content)

Ding Level up with a clan.

Code of Conduct Complete A Criminal Past without killing anyone.

They Know Me at the Range Kill Walkers Using Every Ranged Weapon

Autobarmy Travel 7,903 miles (12,718km) in total - the length of the Autobahn.

Sim-Author Write a book.

Dressed for the Occasion Blend in with the proper prisoner jumpsuit.

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

Patron Accomplish all of Sybil's personal quests

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

Need More Spots Up Front Dismember 250 Limbs

Coroner Find all of the wearable items that make up the Taken Shape.

This is so Meta Experience the Meta.

Umlauts or no Umlauts Decide the Fixer's fate.

True Dixon Complete a Marked Destination on the Map Using Only the Crossbow

Let's Rock! Kill 5 enemies with one burst from the smartgun

Field Hospital Get 500 revives (Ranked Match)

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Rocket Man Complete "Rocket Man" challenge

Smooth Operator Earn Elder Rewards from a Daily Op

Reunion Visit another Player's Base

Smooth Like Soap Find Mejia in Cell Block B without raising an alarm.

Danger Drone Defeat 10 enemies during a single Agency drone ride

Hands of Doom Unlock all skill moves.

Splicer God Complete the "Wrath of the Machine" raid on heroic difficulty.

Spelunker Find all of the Intel in Awakening.

Inquisitive Mind Find all of the Intel in Mayday.

Down to My Last Complete the Game with Only 1 Firearm and 1 Bullet Left in Your Inventory

Team Player Avert a mutiny.

Ensign Reach round 10 in Carrier.

Sacrifice Use the energy of the Worldheart to annihilate the Ice lords and save Vertiel

The Big Proposal Get engaged.

TBoGT: Gold Star Score 100% in all missions. (The Ballad of Gay Tony)

Now I'm Feeling A Little Motivated Breach: Win 3 Challenges.

Salute from Stavo Complete the Mission - Finding Family

Burning Neodymium Breach: Eliminate a Prime Unit while the Titan.aug is active.

Been Everywhere Complete All Marked Destinations on the Map

It's Not Venison, but It'll Do Consume 50 MREs

Not Big Enough In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Luggage Code Kill 12,345 zombies.