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Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Let's Play Complete the first Horde Mode Mission

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

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

The Bank always wins in the end Reach the Bank for the first time.

Tourist, Shivering Isles Entered the Shivering Isles

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

Nightmare Descent killer Finish 'Nightmare Descent' on Insane

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

Pro Crafter Improve your weapons or armor at the crafting shop 50 times.

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

Rare and Exceptional Purchase Armor, a Charm, or Vanity Gear from Masujiro the Melodious in New Game+.

Requiem of the Forgotten Kingdom Complete the Forgotten Kingdom Story

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Twisted Pole Obtain the Twisted Pole artifact.

Level Up Level up any of your active skills to level 50 or higher.

Syngenesophobia Defeat the brothers.

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

The Dance You beat the "Time Keeper" without taking a single hit.

For my next trick Get killed by a sawblade

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

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

I'll put this spear into... Kill Sadatame without getting hit

Moneybags Have 15000 credits in the bank in Outbreak.

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

Katagelasticism Mock the traitor.

Collector Acquire all items available in normal time attack

Helpful Stranger Revive a player from a different Squad in MWZ

Bulldozed In Ground Control, crush 25 enemies while driving the tank

Area of Expertise Complete any gear challenge category.

King and Kin Defeat the Immortal King.

Prequel to the Sequel Enter Topside.

Sapphire Beat the game with the Defect.

Seal the Deal Complete a Triumph Seal.

Hydrogen Run Escape the large zeppelin with 40 seconds or more on the timer

Brand Equity Complete any manufacturer challenge category.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

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

Sleuth Unlock all intel (videos and audio files)

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

Red Kill 100 Red Dudes with a rifle.

Silence of the Llamas Expel the Infestation at the Farm

Forever Marked Progress the story to unlock.

Monster Farmer Kill at least 300 of the same type of monster.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Utility Man Complete all Missions intercepted from cellular tower signals

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

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

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