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Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

Call of the Void Complete Ragnarök - Part II on any difficulty.

Act 4 Cleaner Complete Act 4 on Nightmare difficulty

Round the Riverbend Find the Secret in Blood Stream.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Act 3 Cleaner Complete all Act 3 maps on Nightmare difficulty.

Barely Made It Jump over a Cultist Bear Trap without triggering it.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Force Majeure Claws Kill a Slasher with Iron Claws.

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

Nook, or Cranny? Find the Secret in Sunken Passages.

Good Riddence! Kill 53,600 Ridden over your career.

Not Big Enough In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.

Precarious Perch Find the Secret in Brood Lair.

All Cleaned Up Earn all other Trophies in Back 4 Blood.

Acted Alone In Verrückt, headshot 20 zombies in the courtyard from the second floor of the Asylum.

Time to Slam In Der Eisendrache, revive two players protected by the Ragnarok DG-4.

The Grand Tour In Revelations, visit every unique location within 2 minutes.

Left Ventricle Find the Secret in The Nursery.

Jar Jar Bonks Hit a Pusflinger with a Bait Jar.

Backtrack Find the Secret in 300 Below.

Wield a Fist of Iron In Gorod Krovi, wield the Gauntlet of Siegfried.

Pipe Dream Find the Secret in Caustic Cesspool.

Take A Bow Kill a Crone with the Bow.

My Brother’s Keeper In Der Eisendrache, the one must be erased.

Blown Away In Gorod Krovi, kill 10 zombies at once with the Guard of Fafnir.

Iron Lung In Zetsubou No Shima, stay underwater for one minute.

Master Spelunker Complete All Ridden Hives.

Fire Mission In Gorod Krovi, kill 8 zombies with a single Dragon Strike.

Elitist GTA Online: Complete all 3 Elite Challenges in The Doomsday Heist.

Crop Duster In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.

Unholy Grail Find the Secret in The Cut.

One Too Many In Zetsubou No Shima, throw up.

Wardrobe Change In Revelations, wear three different hats.

None Left Standing In Der Eisendrache, kill every type of zombie using a minigun.

Seeds of Doubt In Zetsubou No Shima, the one must be saved.

Assault With Battery In Zetsubou No Shima, electrocute a zombie with a shield.

Vaporeyezed In Gorod Krovi, use the Gigant Beam to kill 20 Zombies in one activation.

Cryogenic Slumber Party In Moon, complete Richtofen's Grand Scheme.

Left Fork Dead End Find the Secret in Act 5.

Herbal Remedy In Zetsubou No Shima, use a plant to return to life.

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Masterminds GTA Online: Complete all 3 Criminal Mastermind challenges in The Doomsday Heist.

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Web of Defeat In Zetsubou No Shima, remove webs in every possible way in one game.

Time Attack In Gorod Krovi, complete Time Attack: Round 20.