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

New 'n' Hasty Rescue every Mudokon with an overall Best Time of 3:00:00 or less

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

Defiance in the Face of Despair!! Complete "Unknown History."
0/2

Moving to the 'Burbs Complete the Third Act

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

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Against All Odds Mudokon God, Mudokon Saviour

Shields Up! Successfully defend yourself with your shield 20 times

Victory is Mine! Won online 7 times!
0/7

Through the Looking Glass Completed the scrying ritual ("Witch Hunt" downloadable content)

Crash Course in Brain Surgery Kill 100 Walkers while Grappling

The Whole Nine Get all the gauges.

Frequent Flyer BASE jump and travel more than 150 m with your parachute

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

Witch Hunter Completed "Witch Hunt" ("Witch Hunt" downloadable content)

Bad Hair Day Defeat 5 enemies using a single Medusa power-up.

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Stomp-A-Mole Eject 10 Abas from the ground

The Boy Who Could Run Complete all Parkour Fever Challenges

You Really Get Around! Visited all stages!
0/28

Horsepower Completionist Gain all stars in 'Horsepower'.

Next Step: Bullet Belt Fire 300 Bullets

Missed me! Defeat a boss on any difficulty level without taking damage

I never doubted you! Win 10 Rounds of Infiltration

Ash the Leech Gain 10 health chunks using Heroic Gifts

A Nightmare On Kusi Street Purge the Infestation on the Mainland

Local Fighter Play 5 matches in any offline mode.

Silence is Golden You completed The Brigmore Witches without alerting anyone

Get Out of Dodge Complete the Final Marked Destination on the Map

Status Breaker Status Break a weapon to create a SynthSphere.

Masochist Lose 20 health chunks from using Heroic Gifts

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

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

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

Skilled Adversary In IX have a Challenge banner with all 9 medallions

To Infinity... and Beyond! Defeat another player by throwing them.

RPM Completionist Gain all stars in 'RPM'.

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Total Fist Bump Destruction Finish the game as best friends

Playin' Hooky Use the Pirate hook on 5 unique ziplines.

Elements Completionist Gain all stars in 'Elements'.

The Hunted Becomes the Hunter Kill 5 Walkers in the Cabot Ridge Creek Bed

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

On the Clock Completed the training in Through the Eyes of Evil in under 18 seconds

You Can't Destroy What I Really Am! Collect half of all nicknames and view the nickname list.
0/235

Short Stack Find the mysterious visitor in the cliffs of Repugia.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

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

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