Chokonut

Shaper of Stone End the earthquakes threatening the surface.

Objectively Experienced Complete each of the 6 different mission objectives in the underground.

Historian Uncover the secrets of a legendary figure.

Winter's End Dispel a myth of ancient days.

Doing Your Part Complete the Training Course in Multiplayer

Get the Bozak Complete Bozak's challenges

Camos Are Forever Unlock any Diamond or Opal Camo

Legend-Marked Impress the Avvar of Stone-Bear Hold and gain their friendship.

Insanity I Complete Mass Effect 1, 2 or 3 on Insanity without changing difficulty

Occasio Calva Complete Kairos Gate.

Don't Tread on Me Complete the "Iron Clad" Special Ops mission on any difficulty.

Take a Bow In Der Eisendrache, upgrade the Wrath of the Ancients.

Stay Frosty Complete the "Arctic Recon" Special Ops mission on any difficulty.

Spring Roll! Springinate 100 times.

Party's Over In Most Wanted, perform 5 takedowns on guards in the gala without being spotted

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

I said we’re CLOSED! In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

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

Nemesis Meet Skullface

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

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

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

The Eagle has Landers In Ascension, escape on all three lunar landers.

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.

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Full Master Earn all Gold Medals available in Mastery Challenge

The Boy Who Could Run Complete all Parkour Fever Challenges

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

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

Firestarter Destroy all the Winter Shards and light all the fires in the Old Temple.

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

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

Together Till the End Be the last man standing

That’s a lot of Jigawatts! In Der Eisendrache, electrocute 121 zombies.

Finally Home Complete every Adventure level in The Journey Home.

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

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

Now Who's the Idiot? Finish The Artifact

GD Parkour Instructor Complete all Parkour Fever Challenges at night

First Blood Finish a round of Last Stand

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

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

A Nightmare On Kusi Street Purge the Infestation on the Mainland