HappyGMore

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)

Walk in the Park Complete the game on hard using hardcore mode

The Boy Who Could Run Complete all Parkour Fever Challenges

Trine 2 Hard Earn all Trophies in Trine 2

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.

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

Z-Genocider 2: Genocide Harder Kill 53,596 zombies

Go for Gold! In Onslaught, acquire seven gold chalices

Together Till the End Be the last man standing

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

GD Parkour Instructor Complete all Parkour Fever Challenges at night

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.

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

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

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

Grassroots Campaigner Complete all side missions.
24/98

Freelance, but Not For Free Complete 80 contracts.
18/80

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Electric Whisper Learn how to craft Electric Arrows

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

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

New Superpower Complete all China Rising Assignments

Taking Flight In Gorod Krovi, ride a Dragon.

Duct Tape FTW Create all combo weapons

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

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

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Zombie Genocide Master Kill 72,000 zombies

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

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

Crab Attack Defeat Crab Force in the Underground Mine.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

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

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

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

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

Guac is Extra Find Dave the Burrito.

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

Street Fighter Complete all Dragon's Teeth Assignments

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

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

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.