Complete 12 consecutive Waves and escape from the Horde Map "Final Departure".
Reach rank 5.
Kill a Zombie using the Blade Melee Special Attack.
Headshot a Zombie post resurrection.
Finish a level with 5 or less zombies resurrecting.
Get an unbroken 10-headshot streak.
Kill 20+ enemies with 1 explosive.
Kill 50 enemies that are actively attacking other players.
Revive other players 50 times.
Complete Rotten Coast on any difficulty.
Complete Damnation Valley on any difficulty.
Complete 4 level sections without using a medkit.
Kill 50 Zombies in a row without missing a shot.
Complete Terror Lab on any difficulty
Complete 12 consecutive Waves and escape from the Horde Map "Undead Wood".
Complete Blood Count on any difficulty
Complete Deeper than Hell on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Caged Fear".
Complete Dead Ahead on any difficulty.
Get 3 headshots with one bullet.
Complete Return to Hell on any difficulty.
Complete Hell Base on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Death Collector".
Complete All Roads Lead To Hell on any difficulty.
Complete Ragnarök - Part II on any difficulty.
Complete Ragnarök- Part I on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Hell's Cauldron".
Complete Abaddon Asylum on any difficulty.
Complete Alpine Blitz on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Frozen in Fear"
Complete Terminal Error on any difficulty.
Complete the Campaign in Nightmare mode.
Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift".
Complete Dead Zeppelin on any difficulty.
Complete Molten Nightmare on any difficulty.
Sever 10,000 limbs.
Kill 20 zombies with Electric Punch Special Attack.
Kill 5000 enemies of any kind.
Kill all Zombie Hand collectibles.
Complete consecutive 12 Waves and escape from the Horde Map "Villa Della Morte".
Complete consecutive 12 Waves and escape from the Horde Map "Dead in the Water".
Complete consecutive 12 Waves and escape from the Horde Map "The Bitter End".
Reach wave 6 on any Horde Map without picking up a Primary or Secondary weapon.
Complete 20 waves in a row on any Horde Map.
Survive 144 waves in total.
Reach rank 50.
Reach rank 100.
Complete Death Canal on any difficulty.
Earn a Gold Medal on any chapter.
Complete a level with 5 Gold Level Perks equipped.
Complete the weapon mastery for any weapon.
Find all Journals, Comics, and hidden Weapon Upgrade Tokens.
Perform all Heroic Actions.
Change your characters appearance, such as with a hat or costume.
Kill a Suicider with his own explosives.
Complete the Campaign on any difficulty.
Complete the Campaign on Hard difficulty.
Complete every campaign level with a full team of four players.
Complete Meat Locker on any difficulty.
Complete the weapon mastery for 3 weapons.
Perform 50 Takedowns in total.
Kill 3 enemies with one blast from a Preacher.
Drop a pallet of Artillery Shells on a Zombie.
Kill a Sniper whilst they are jumping between vantage points.
Kill 5 Heavies with Takedowns.
Kill a friend who has resurrected as a zombie.
Perform a takedown on a Blind Screamer.
Complete Zombie Zoo on any difficulty.
Complete consecutive 12 Waves and escape from the Horde Map "Into the Darkness".
Complete Hell Machine on any difficulty.
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