leffeboo

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

Burgertown Escort Service Rescue 1 survivor in Infection.

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

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

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

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

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

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

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

You Can Pet The Dog Pet a Hellhound in MWZ

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

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

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

AMG Completionist Gain all stars in 'AMG'.

High Wire Act Kill 10 enemies while using a zipline

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Perkaholic Have 9 perks active at the same time in MWZ

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Rock, Paper, Plasma In Voyage of Despair, kill 9 zombies via Catalytic Detonations in a single game

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Not a Fluke Win 10 Blackout games

No Mo' Modi Get out of jail, but not for free

Annihilation Get 100 Elite Zombie Eliminations in Zombies

Straw Purchase Gift a Mystery Box Wonder Weapon to a teammate and have them accept it

Going Up… In The Darkest Shore, unlock the Ubersprengen.

141 Ready Complete the campaign on Veteran

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

Match Made in Hell In Blood of the Dead, complete a Gondola ride with the Warden

Team Player In Zombie Rush, obtain a Team Score of 500,000

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Cyberized Research all Augments for 10 Items in Zombies

Back From The Dead Reclaim your gear from a Tombstone in MWZ

Kraken Unfettered In Voyage of Despair, kill 9 enemies with a single shot of the Kraken

Case in Point Complete the Campaign on Veteran difficulty

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

No Such Thing as Too Many Find and use all Armaments in Open Combat Missions

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.