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