OLgone1

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

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

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

Undiscovered Truths Find all the intel hidden in Nightfall.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

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

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

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Hope and Despair Completed the additional mission: "Ebon Memories: Hope Within Despair."

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

Wishing for the Best Complete the "Last Wish" Raid.

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

Burgertown Escort Service Rescue 1 survivor in Infection.

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

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

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

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

Come On And ... Slam 10 zombies at once in Outbreak.

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

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Bronzed Complete the Bronze stage of all Skills

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

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

High Score In Zombie Rush, obtain a Personal Score of 250,000

Street Fighter Complete all Dragon's Teeth Assignments

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

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

Survivor Survive until Round 25 in Outbreak.

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

You Can Pet The Dog Pet a Hellhound in MWZ

Alright, Alright Survive until round 10 in Infection.

Rotten Bones in the Crypt Defeated Yuan Shu.

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

Collector Loot 10 Superior or Custom items.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Challenger of the Rift Completed a floor of the rift labyrinth.

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

Once an Unruly Girl Kept Lady Mi's habits in check.

Multiplicitous In Zombie Rush, get your score multiplier up to 100

All in Find the Morenia

Heroes Gather Swore oaths with all of the new allies in Upheaval in Jingxiang.
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The Stick of Truth Equip a Legendary Bo (Claws of Awaji)

Maniac of Shitieshou Fed every Shitieshou in Upheaval in Jingxiang.
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Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.