Choo choo!
Complete Dead Ahead on any difficulty.
The boat can leave now...tell the crew
Complete Death Canal on any difficulty.
Weird science
Complete Meat Locker on any difficulty.
Look mummy! A shark!
Complete Zombie Zoo on any difficulty.
In the dark dark woods...
Complete Rotten Coast on any difficulty.
All of this has happened before…
Complete Molten Nightmare on any difficulty.
All roads lead to Rome
Complete All Roads Lead To Hell! on any difficulty.
You're all going to die down here
Complete Hell Base! on any difficulty.
He did Nazi that coming
Complete Hell Machine! on any difficulty.
Into the deep
Complete 12 consecutive Waves and escape from the Horde Map "Into the Darkness".
Take a little bit of Italy with you
Complete 12 consecutive Waves and escape from the Horde Map "Villa Della Morte".
I told you we should have gone to the beach
Complete 12 consecutive Waves and escape from the Horde Map "Dead in the Water".
Not today you won't
Complete 12 consecutive Waves and escape from the Horde Map "The Bitter End".
Just me and my trusty sidearm
Reach wave 6 on any Horde Map without picking up a Primary or Secondary weapon.
I'm a Survivor!
Complete 20 waves in a row on any Horde Map.
A Gross Gross
Survive 144 Waves in total.
Blood Splattered
Reach rank 5.
Gore Soaked
Reach rank 50.
Hail to the King, baby!
Reach rank 100.
Gold
Earn a Gold Medal on any chapter.
Well Equipped
Complete a level with 5 Gold Level Perks equipped.
Weapons Expert
Complete the weapon mastery for any weapon.
Hoarder
Find all Journals, Comics, and hidden Weapon Upgrade Tokens.
Send me an angel
Perform all Heroic Actions.
Gotcha, didn't I?
Kill all Zombie Hand collectibles.
Groovy
Change your characters appearance, such as with a hat or costume.
Is it over?
Complete the Campaign on any difficulty.
This is no Sunday School picnic!
Complete the Campaign on Hard difficulty.
That's a lot of them, and only 4 of us
Complete every campaign level with a full team of four players.
I can do anything I want, I got guns
Complete the weapon mastery for 3 weapons.
You've got red on you
Perform 50 Takedowns in total.
Stand back boy!
Kill 3 enemies with one blast from a Preacher.
Kill of the Week
Drop a pallet of Artillery Shells on a Zombie.
Shoot it, man! Shoot it in the head!
Headshot a Zombie post resurrection.
Say goodbye, creep!
Kill a Zombie using the Blade Melee Special Attack.
Give me something to shoot!
Kill a Sniper whilst they are jumping between vantage points.
The bigger they are...
Kill 5 Heavies with takedowns.
I never liked them anyway
Kill a friend who has resurrected as a zombie.
Take them down screaming
Perform a takedown on a Blind Screamer.
Double tap
Finish a level with 5 or less zombies resurrecting.
Shock therapy
Kill 20 zombies with Electric Punch Special Attack.
Cleanup on aisle 4!
Kill a Suicider with his own explosives.
Zombie killin' machine
Kill 5000 enemies of any kind.
Every bullet counts
Get 3 headshots with one bullet.
Leave the limbs you've lost
Sever 10,000 limbs.
Cranial blowout!
Get an unbroken 10-headshot streak.
Come and get it! It's a running buffet!
Kill 20+ enemies with 1 explosive.
Got your back
Kill 50 enemies that are actively attacking other players.
A friend in need
Revive other players 50 times.
What did you say, Blain?
Complete 4 level sections without using a medkit.
Chain reaction
Kill 50 Zombies in a row without missing a shot.
Everyone's a mad scientist, life is the lab
Complete Terror Lab on any difficulty
Staring at Shadows
Complete 12 Waves and escape from Horde Map 'Undead Wood'
Bad Blood
Complete Blood Count on any difficulty.
I'm going deeper underground
Complete Deeper than Hell on any difficulty.
Something wicked this way comes
Complete 12 consecutive Waves and escape from the Horde Map "Caged Fear".
Damnedbusters
Complete Damnation Valley on any difficulty.
They're coming to get you Barbara
Complete 12 consecutive Waves and escape from the Horde Map "Final Departure".
Plane sailing
Complete Alpine Blitz on any difficulty.
I never redoubted you!
Complete Dead Zeppelin on any difficulty.
People don't change. We go round in circles
Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift".
None More Hard
Complete the Campaign on Nightmare difficulty.
Have you tried turning it off and on again?
Complete Terminal Error on any difficulty.
The blighters got through a second time.
Complete 12 consecutive Waves and escape from the Horde Map "Frozen in Fear"
Kali Ma
Complete Abaddon Asylum on any difficulty.
Total protonic reversal
Complete Return to Hell on any difficulty.
Day Trip to Purgatory.
Complete 12 consecutive Waves and escape from the Horde Map "Hell's Cauldron".
Tough luck, chum!
Complete Ragnarök - Part I on any difficulty.
Call of the Void
Complete Ragnarök - Part II on any difficulty.
Deadmouth sheds
Complete 12 consecutive Waves and escape from the Horde Map "Death Collector".