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