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