In Gorod Krovi, ride a Dragon.
Kill 6 enemies affected by one Blinding Swarm or Firefly Swarm.
In Campaign, kill 5 enemies from over 100m away.
In Campaign, unlock all attachments for any weapon.
In Campaign, unlock all camos for any weapon.
Use an enemy combat robot to kill 10 enemies.
In Campaign, kill an enemy through a wall or obstruction.
In Zetsubou No Shima, remove webs in every possible way in one game.
In Gorod Krovi, complete all solo Trials in one Zombies game.
In Gorod Krovi, complete a Lockdown Event.
In Gorod Krovi, complete Time Attack: Round 20.
In Gorod Krovi, wield the Gauntlet of Siegfried.
In Zetsubou No Shima, throw up.
Complete New World on Hardened, Veteran, or Realistic.
Complete Sand Castle on Hardened, Veteran, or Realistic.
In Zetsubou No Shima, survive getting consumed.
In Zetsubou No Shima, stay underwater for one minute.
In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.
In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.
In Zetsubou No Shima, use a plant to return to life.
In Zetsubou No Shima, drink fresh Widow's Wine.
In Der Eisendrache, kill a zombie while being flung by a Wundersphere.
In Der Eisendrache, use every Wundersphere twice.
Complete Demon Within on Hardened, Veteran, or Realistic.
In Zetsubou No Shima, electrocute a zombie with a shield.
Complete Lotus Towers on Hardened, Veteran, or Realistic.
In Gorod Krovi, use the Gigant Beam to kill 20 Zombies in one activation.
Complete Campaign on Hardened, Veteran, or Realistic.
In Moon, prevent each excavator from breaching the base in one game.
In Moon, complete Richtofen's Grand Scheme.
In Shangri-La, use the 31-79 JGb215 on each type of zombie.
In Shangri-La, acquire the Focusing Stone.
In Ascension, kill a space monkey with a fire trap.
In Ascension, escape on all three lunar landers.
In Shi No Numa, kill at least one zombie with three different traps in a single round.
In Revelations, override all of the Corruption Engines before round 6.
In Revelations, kill 10 enemies in one shot with each wonder weapon.
In Revelations, wear three different hats.
In Gorod Krovi, kill 8 zombies with a single Dragon Strike.
In Revelations, visit every unique location within 2 minutes.
In Revelations, kill 40 enemies with a single activation of a Corruption Turret.
In Revelations, assist a Keeper in defeating every type of enemy.
In Revelations, recover the Pack-a-Punch machine from its abductor.
In Gorod Krovi, launch 10 zombies into the air at the same time.
In Gorod Krovi, kill 10 zombies at once with the Guard of Fafnir.
In Der Eisendrache, wallbuy the BRM.
In Der Eisendrache, electrocute 121 zombies.
In Der Eisendrache, kill every type of zombie using a minigun.
In Der Eisendrache, revive two players protected by the Ragnarok DG-4.
Complete In Darkness on Hardened, Veteran, or Realistic.
Complete Hypocenter on Hardened, Veteran, or Realistic.
In Campaign, wall run over 250 meters.
Kill three enemies in a melee combo.
Discover all of the collectibles in any Mission.
Take control of an ASP.
Earn all Decorations.
In Campaign, kill 5 enemies with 5 different guns in under 30 seconds.
In Campaign, kill 10 enemies in under 3 seconds.
In Campaign, kill 20 enemies while flying the same Talon.
Kill 5 enemies using one burst of Unstoppable Force.
Complete Black Ops on Hardened, Veteran, or Realistic.
Discover all of the collectibles in the Campaign
In Kino Der Toten, visit every location the teleporter can take you to.
In Verruckt, headshot 20 zombies in the courtyard from the second floor of the Asylum.
In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.
In Origins, complete all 4 Challenges in one game.
Earn a Gold Rating in the training simulator.
Fully upgrade a Cybernetics Core.
In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.
In Shadows of Evil, kill 5 Parasites while riding on the train.
In Der Eisendrache, upgrade the Wrath of the Ancients.
Complete Provocation on Hardened, Veteran, or Realistic.
In Der Eisendrache, obtain all of the ancient bows.
Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.
Complete Rise and Fall on Hardened, Veteran, or Realistic.
Get 5 Medals based on a Specialist Ability in a single game.
Reach Commander (Level 55) in Multiplayer while playing online.
Reach Sergeant (Level 10) in Multiplayer while playing online.
In Shadows of Evil, kill 2 Margwas in a single round.
In Campaign, kill 5 stunned enemies in under 3 seconds.
In Shadows of Evil, kill 10 zombies ensnared by a Widow's Wine grenade
In Shadows of Evil, summon the Civil Protector in every district in a single game.
In Shadows of Evil, use the rocket shield attack to kill at least 10 zombies in one burst.
In Shadows of Evil, kill 10 zombies that are inside of a store in one game.
In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.
Complete Vengeance on Hardened, Veteran, or Realistic.
In Shadows of Evil, spot the Shadowman fives times in one game.
In Shadows of Evil, complete all Rituals.
In Origins, release Samantha.
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