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Duct Tape FTW Create all combo weapons

Bangkok Escalated Complete Level 5 of an Escalation Contract set in Bangkok.

Mother My Brain Hurts Discovered the strange E99 specimen and what it morphs people into

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

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

Professional Reach Rank 10 (Ranked Match)

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

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

Island and Chill Complete The Last Resort.

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

Silent Sniper Complete The Last Yardbird as Silent Assassin.

Zombie Genocide Master Kill 72,000 zombies

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

Iron Mode Complete the game in Iron Mode.

Hokkaido Escalated Complete Level 5 of an Escalation Contract set in Hokkaido.

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

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

Double Trouble Complete The Pen and the Sword in Multiplayer.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Family Reunion Achieved a compromise between Olivia and Minnie.

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

Special P.E.T. Benefits Acquired Special Delivery, P.E.T., and Employee Benefits.

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

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

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

A Good Man Is Hard to Find Achieve a Camo Index of 100%

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

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

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

Save the Poet Complete The Pen and the Sword in Single Player.

The third faction Rescue all the Buddies from their respective predicaments

Gotta Go Fast Escape within 10 minutes.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

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

Favorite Clear all missions of any rank consecutively using the same gun parts.

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

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

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

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Street Fighter Complete all Dragon's Teeth Assignments

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

ARCHIVIST Collect all documents

Two for One Complete Crime and Punishment in Multiplayer.

Head Trauma Use every type of melee weapon on a zombie

Good Listener Found 20 Portable Phonographs.
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Falcon and the Snowman Complete Crime and Punishment in Single Player.

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

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