SuicidalBeagle

Cross the Threshold Complete Reclaimed Earth (Ancient Gods 2)

Tougher Than Nails Acquire all Sentinel Hammer upgrades (Ancient Gods 2)

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.

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

Siege the Day Complete Immora (Ancient Gods 2)

I never doubted you! Win 10 Rounds of Infiltration

Hypersonic Complete all Secret Encounters in a single save slot (Ancient Gods 1)

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

I am THE expert on weapons Obtained all weapons (excluding weapons obtained via password).

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

Nailed It! Roll your car, land on your wheels and carry on.

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

A Nightmare On Kusi Street Purge the Infestation on the Mainland

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

Rest Your Weary Fists Kill the Dark Lord (Ancient Gods 2)

Specter Officer Reach max level with one class in the Cooperative campaign.

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

Go for Gold! In Onslaught, acquire seven gold chalices

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

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)

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

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

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

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

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

Moneybags Have 15000 credits in the bank in Outbreak.

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

Interception Grapple to an Agent who's reeling through the air, and reel-kick them

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

Turkey Shoot Reach combo level of 20.

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

Silence of the Llamas Expel the Infestation at the Farm

The Power of Rico Compels You Exorcise the Infestation at the Church

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

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

They Came From the Lake Liquidate the Infestation at the Lake

Demons on a Plane Obliterate the Infestation at the Crash

The Flying Dead Abolish the Infestation on the Mountain

Rookie of the Year Earn a B Rank in the Trial of Initiation

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

Salute Me Achieve the rank of Lieutenant.

Let's Play Complete the first Horde Mode Mission

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

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

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

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

Taking Flight In Gorod Krovi, ride a Dragon.

Never Speak of This Again Finish Extermination