10 Everyone's a mad scientist, life is the labComplete Terror Lab on any difficulty
10 Staring at ShadowsComplete 12 consecutive Waves and escape from the Horde Map
10 Bad BloodComplete Blood Count on any difficulty
10 Deeper Than HellComplete Deeper than Hell on any difficulty.
10 Something wicked this way comesComplete 12 consecutive Waves and escape from the Horde Map
10 DamnedbustersComplete Damnation Valley on any difficulty.
10 They're coming to get you BarbaraComplete 12 consecutive Waves and escape from the Horde Map
10 Plane sailingComplete Alpine Blitz on any difficulty.
10 I never redoubted you!Complete Dead Zeppelin on any difficulty.
10 People don't change. We go round in circlesComplete 12 consecutive Waves and escape from the Horde Map
10 Have you tried turning it off and on again?Complete Terminal Error on any difficulty.
10 The blighters got through a second timeComplete 12 consecutive Waves and escape from the Horde Map
10 Kali MaComplete Abaddon Asylum on any difficulty.
10 Total protonic reversalComplete Return to Hell on any difficulty.
10 Day Trip to PurgatoryComplete 12 consecutive Waves and escape from the Horde Map
10 Tough luck, chum!Complete Ragnarök- Part I on any difficulty.
10 Call of the VoidComplete Ragnarök - Part II on any difficulty.
10 Deadmouth shedsComplete 12 consecutive Waves and escape from the Horde Map
15 Choo choo!Complete Dead Ahead on any difficulty.
15 The boat can leave now...tell the crewComplete Death Canal on any difficulty.
15 Weird scienceComplete Meat Locker on any difficulty.
15 Look mummy! A shark!Complete Zombie Zoo on any difficulty.
15 In the dark dark woods...Complete Rotten Coast on any difficulty.
15 All of this has happened before…Complete Molten Nightmare on any difficulty.
15 All roads lead to RomeComplete All Roads Lead To Hell! on any difficulty.
15 You're all going to die down hereComplete Hell Base! on any difficulty.
15 Into the deepComplete 12 waves and escape from Horde Map Into the Darkness.
15 Take a little bit of Italy with you Complete 12 waves and escape from Horde Map Villa Della Morte.
15 I told you we should have gone to the beachComplete 12 waves and escape from Horde Map Dead in the Water.
15 Not today you won'tComplete 12 waves and escape from Horde Map The Bitter End.
15 Blood splatteredReach rank 5.
15 GoldEarn a Gold Medal on any chapter.
15 Well equippedComplete a level with 5 Gold Level Skills equipped.
15 Weapons expertComplete the weapon mastery for any weapon.
15 HoarderFind all Journals, Comics, and hidden Weapon Upgrade Tokens.
15 Send me an angelPerform all Heroic Actions.
15 Gotcha, didn't I?Kill all Zombie Hand collectibles.
15 GroovyChange your characters appearance, such as with a hat or costume.
15 Is it over?Complete the Campaign on any difficulty.
15 Stand back boy!Kill 3 enemies with one blast from a Preacher.
15 Shoot it, man! Shoot it in the head!Headshot a Zombie post resurrection.
15 Say goodbye, creep!Kill a Zombie using the Blade Melee Special Attack.
15 The bigger they are...Kill 5 Heavies with takedowns.
15 I never liked them anywayKill a friend who has resurrected as a zombie.
15 Shock therapyKill 20 zombies with Electric Punch Special Attack.
15 Cleanup on aisle 4!Kill a Suicider with his own explosives.
15 Zombie killin' machineKill 5000 enemies of any kind.
15 Cranial blowout!Get an unbroken 10-headshot streak.
15 Got your backKill 50 enemies that are actively attacking other players.
15 A friend in needRevive other players 50 times.
15 What did you say, Blain?Complete 4 level sections without using a medkit.
15 Chain reactionKill 50 Zombies in a row without missing a shot.
20 He did Nazi that comingComplete Hell Machine! on any difficulty.
20 Just me and my trusty sidearmReach wave 6 on any Horde Map without picking up a Primary or Secondary weapon.
20 Give me something to shoot!Kill a Sniper whilst they are jumping between vantage points.
20 Take them down screamingPerform a takedown on a Blind Screamer.
25 Kill of the weekDrop a Shell Cargo Pallet on a Zombie.
30 I'm a survivor!Complete 20 waves in a row on any Horde Map.
30 A gross grossSurvive 144 waves in total.
30 Gore soakedReach rank 50.
30 This is no Sunday School picnic!Complete the Campaign on Hard difficulty.
30 That's a lot of them, and only 4 of usComplete every campaign level with a full team of four players.
30 I can do anything I want, I got gunsUnlock weapon mastery for 3 weapons.
30 You've got red on youPerform 50 Takedowns in total.
30 Double tapFinish a level with 5 or less zombies resurrecting.
30 Every bullet countsGet 3 headshots with one bullet.
30 Leave the limbs you've lostSever 10,000 limbs.
30 None more hardComplete the Campaign in Nightmare mode.
35 Come and get it! It's a running buffet!Kill 20+ enemies with 1 explosive.
50 Hail to the king, baby!Reach rank 100.
