Kill a Zombie using the Blade Melee Special Attack.
Headshot a Zombie post resurrection.
Change your characters appearance, such as with a hat or costume.
Complete Dead Ahead on any difficulty.
Complete consecutive 12 Waves and escape from the Horde Map "Into the Darkness".
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 5.
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.
Kill all Zombie Hand collectibles.
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.
Finish a level with 5 or less zombies resurrecting.
Kill 20 zombies with Electric Punch Special Attack.
Kill a Suicider with his own explosives.
Kill 5000 enemies of any kind.
Get 3 headshots with one bullet.
Sever 10,000 limbs.
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 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 Damnation Valley on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Final Departure".
Complete Alpine Blitz on any difficulty.
Complete Molten Nightmare on any difficulty.
Complete Dead Zeppelin on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift".
Complete the Campaign in Nightmare mode.
Complete Terminal Error on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Frozen in Fear"
Complete Abaddon Asylum on any difficulty.
Complete Return to Hell on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Hell's Cauldron".
Complete Ragnarök- Part I on any difficulty.
Complete Ragnarök - Part II on any difficulty.
Complete All Roads Lead To Hell on any difficulty.
Complete 12 consecutive Waves and escape from the Horde Map "Death Collector".
Complete Hell Base on any difficulty.
Complete Hell Machine on any difficulty.
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