In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.
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 Zetsubou No Shima, retrieve the Skull of Nan Sapwe.
In Zetsubou No Shima, survive getting consumed.
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, recover the Pack-a-Punch machine from its abductor.
In Gorod Krovi, complete a Lockdown Event.
In Gorod Krovi, ride a Dragon.
Discover all of the collectibles in any Mission.
In Campaign, kill 5 stunned enemies in under 3 seconds.
Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.
Complete Campaign on Hardened, Veteran, or Realistic.
Complete Demon Within on Hardened, Veteran, or Realistic.
In Campaign, kill 10 enemies in under 3 seconds.
Reach Commander (Level 55) in Multiplayer while playing online.
Kill three enemies in a melee combo.
Complete Lotus Towers on Hardened, Veteran, or Realistic.
Complete Sand Castle on Hardened, Veteran, or Realistic.
In Campaign, kill 5 enemies from over 100m away.
Get 5 Medals based on a Specialist Ability in a single game.
Complete Rise and Fall on Hardened, Veteran, or Realistic.
Fully upgrade a Cybernetics Core.
Complete Vengeance on Hardened, Veteran, or Realistic.
In Campaign, unlock all attachments for any weapon.
Complete Hypocenter on Hardened, Veteran, or Realistic.
Complete Provocation on Hardened, Veteran, or Realistic.
Complete In Darkness on Hardened, Veteran, or Realistic.
Reach Sergeant (Level 10) in Multiplayer while playing online.
Complete New World on Hardened, Veteran, or Realistic.
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.
Complete Black Ops on Hardened, Veteran, or Realistic.
In Moon, prevent each excavator from breaching the base in one game.
In Zetsubou No Shima, remove webs in every possible way in one game.
In Shangri-La, use the 31-79 JGb215 on each type of zombie.
In Moon, complete Richtofen's Grand Scheme.
In Gorod Krovi, complete all solo Trials in one Zombies game.
In Gorod Krovi, wield the Gauntlet of Siegfried.
In Zetsubou No Shima, electrocute a zombie with a shield.
In Zetsubou No Shima, throw up.
In Gorod Krovi, complete Time Attack: Round 20.
In Ascension, escape on all three lunar landers.
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 Shi No Numa, kill at least one zombie with three different traps in a single round.
In Shangri-La, acquire the Focusing Stone.
In Revelations, assist a Keeper in defeating every type of enemy.
In Zetsubou No Shima, stay underwater for one minute.
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 Ascension, kill a space monkey with a fire trap.
In Der Eisendrache, kill every type of zombie using a minigun.
In Zetsubou No Shima, kill 10 zombies with a single shot of the KT-4.
In Campaign, kill 5 enemies with 5 different guns in under 30 seconds.
In Shadows of Evil, complete all Rituals.
Earn a Gold Rating in the training simulator.
In Campaign, wall run over 250 meters.
Take control of an ASP.
Earn all Decorations.
In Campaign, kill 20 enemies while flying the same Talon.
In Shadows of Evil, kill 10 zombies that are inside of a store in one game.
Kill 5 enemies using one burst of Unstoppable Force.
Kill 6 enemies affected by one Blinding Swarm or Firefly Swarm.
Discover all of the collectibles in the Campaign
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.
In Shadows of Evil, spot the Shadowman fives times in one game.
In Shadows of Evil, use the rocket shield attack to kill at least 10 zombies in one burst.
In Zetsubou No Shima, use a plant to return to life.
In Der Eisendrache, revive two players protected by the Ragnarok DG-4.
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.
In Der Eisendrache, electrocute 121 zombies.
In Der Eisendrache, wallbuy the BRM.
In Der Eisendrache, trap and kill a Panzersoldat using the Ragnarok DG-4.
In Shadows of Evil, summon the Civil Protector in every district in a single game.
In Der Eisendrache, upgrade the Wrath of the Ancients.
In Der Eisendrache, obtain all of the ancient bows.
In Shadows of Evil, kill 5 Parasites while riding on the train.
In Shadows of Evil, kill 2 Margwas in a single round.
In Shadows of Evil, kill 10 zombies ensnared by a Widow's Wine grenade
In Origins, release Samantha.
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