Complete the Campaign on Realistic.

Complete the Campaign on any difficulty.

Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

In Der Eisendrache, the one must be erased.

In Der Eisendrache, obtain all of the ancient bows.

In Der Eisendrache, kill every type of zombie using a minigun.

In Der Eisendrache, upgrade the Wrath of the Ancients.

In Der Eisendrache, trap and kill a Panzer Soldat using the Ragnarok DG-4.

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

In Der Eisendrache, wallbuy the BRM.

In Der Eisendrache, electrocute 121 zombies.

In Der Eisendrache, use every Wundersphere twice.

In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

In Zetsubou No Shima, the one must be saved.

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

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

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

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

In Zetsubou No Shima, stay underwater for one minute.

In Zetsubou No Shima, survive getting consumed.

In Zetsubou No Shima, electrocute a zombie with a shield.

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

In Zetsubou No Shima, throw up.

In Gorod Krovi, the one must be freed.

In Gorod Krovi, wield the Gauntlet of Siegfried.

In Gorod Krovi, complete Time Attack: Round 20.

In Gorod Krovi, ride a Dragon.

In Gorod Krovi, complete a Lockdown Event.

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

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

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

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

In Gorod Krovi, launch 10 zombies into the air at the same time.

In Revelations, the Key must be opened.

In Revelations, complete the cycle.

In Revelations, recover the Pack-a-Punch machine from its abductor.

In Revelations, assist a Keeper in defeating every type of enemy.

In Revelations, kill 40 enemies with a single activation of a Corruption Turret.

In Revelations, visit every unique location within 2 minutes.

In Revelations, wear three different hats.

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

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

In Shi No Numa, kill at least one zombie with three different traps in a single round.

In Ascension, escape on all three lunar landers.

In Ascension, kill a space monkey with a fire trap.

In Shangri-La, acquire the Focusing Stone.

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

In Moon, complete Richtofen's Grand Scheme.

In Moon, prevent each excavator from breaching the base in one game.

In Origins, release Samantha.

In Origins, complete all 4 Challenges in one game.

In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.

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

In Kino Der Toten, visit every location the teleporter can take you to.