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

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

Student of History Activate all Iron Lord Artifacts.

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

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

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

Dialed In Customize your loadout in every Open Combat Mission

Your tax dollars at work Use a missile to take out a single enemy in 'Danger Close'

Gold Digger Find all gold bars

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

Full Deck Collect all combo cards

Fledgling Collector Find your first treasure.

Off the Deep End In Voyage of Despair, survive to round 20 without draining the water

Seeing Red Achieve 2 kills in a row without dying while under 25 health

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

Here Kitty, Kitty In IX, Kill a Zombie Tiger with a Brain Rotted Tiger

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.

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

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

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

Act 4 Veteran Complete Act 4 on Veteran difficulty or higher.

Improper Behavior Spraypaint all Zombrex posters

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

Sweet Melody Capture a creature that creates a beautiful melody.

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

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

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

Spliced Complete the "Wrath of the Machine" raid.

Kill 100 Enemies Kill 100 Enemies
38/100

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

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

Act 3 Veteran Complete all Act 3 maps on Veteran difficulty or higher.

First Blood Finish a round of Last Stand

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

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

Submerged Mystery Capture a mysterious creature lurking beneath the water's surface.

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

Smoke And Mirrors, But Without The Mirrors Use a Smoke Grenade to become hidden while at Critical Health.

Hired Gun Complete 20 Contracts in MWZ

Deft Digger Capture a creature that loves to dig holes in the ground.

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

Centennial Acquire 100% of the Stars

Master of Masters Reach master rank 200.

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.

Unbreakable Cause Destroyed the Crucinite harbored within Minamoto no Yoritomo's Guardian Spirit.

The Boy Who Could Run Complete all Parkour Fever Challenges

Grizzled Veteran Reached level 100.
85/100

The Queen's Eyes Open Destroyed the Crucinite harbored within Himiko's Guardian Spirit.