ResidentSnake31

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

Bug Spray Earn the Distinguished Flying Service Cross

Heavy Medals Earn All Medals

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

Atomic Obliteration - Complete all the Challenges

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

Mastermind Have a substitute score a goal in Career Mode

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

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

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)

They Came From the Lake Liquidate the Infestation at the Lake

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

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

Prod off Kill 5 worms with the Prod weapon.

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

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

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

Never Speak of This Again Finish Extermination

Long Winded Parachute for 30 seconds and successfully land in a single turn.

Aerial Threat Score a header with a player with the Aerial Threat Speciality

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

Moocifer Create a Cow Demon

Make it Count Win a ranked multiplayer match.

Big Spender Purchase a Concrete Donkey from the in-game shop.

Professional Reach Rank 10 (Ranked Match)

The Road to Greatness Complete your first Quest

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Mr. Death Get all Trophies.

Confidence Boost Win a Battlegrounds league Clan Match.

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

He Talked Too Much Defeat Emerson Miller

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

The third faction Rescue all the Buddies from their respective predicaments

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

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

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

To Hell And Back Finish the game on Very Hard Mode with any character

Blood Donor Pass 5000 levels in Bloody Palace Mode

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Bronzed Complete the Bronze stage of all Skills

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.