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