Reach Sergeant (Level 10) in Multiplayer while playing online.
Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.
In Campaign, kill an enemy through a wall or obstruction.
Complete New World on Hardened, Veteran, or Realistic.
Complete Provocation on Hardened, Veteran, or Realistic.
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.
Discover all of the collectibles in the Campaign
Complete Black Ops on Hardened, Veteran, or Realistic.
Kill 6 enemies affected by one Blinding Swarm or Firefly Swarm.
Kill 5 enemies using one burst of Unstoppable Force.
In Campaign, kill 20 enemies while flying the same Talon.
Complete In Darkness on Hardened, Veteran, or Realistic.
In Campaign, kill 10 enemies in under 3 seconds.
In Campaign, kill 5 enemies with 5 different guns in under 30 seconds.
Earn all Decorations.
In Campaign, unlock all camos for any weapon.
Take control of an ASP.
Discover all of the collectibles in any Mission.
In Campaign, kill 5 enemies from over 100m away.
Kill three enemies in a melee combo.
In Campaign, wall run over 250 meters.
Complete Hypocenter on Hardened, Veteran, or Realistic.
Earn a Gold Rating in the training simulator.
Use an enemy combat robot to kill 10 enemies.
Fully upgrade a Cybernetics Core.
In Campaign, unlock all attachments for any weapon.
In Campaign, kill 5 stunned enemies in under 3 seconds.
In Shadows of Evil, complete all Rituals.
In Shadows of Evil, spot the Shadowman fives times in one game.
Complete Vengeance on Hardened, Veteran, or Realistic.
In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.
In Shadows of Evil, kill 10 zombies that are inside of a store in one game.
In Shadows of Evil, use the rocket shield attack to kill at least 10 zombies in one burst.
In Shadows of Evil, summon the Civil Protector in every district in a single game.
In Shadows of Evil, kill 10 zombies ensnared by a Widow’s Wine grenade
In Shadows of Evil, kill 2 Margwas in a single round.
In Shadows of Evil, kill 5 Parasites while riding on the train.
Reach Commander (Level 55) in Multiplayer while playing online.
Get 5 Medals based on a Specialist Ability in a single game.
Complete Rise and Fall on Hardened, Veteran, or Realistic.
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 Panzersoldat 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.
Complete Demon Within on Hardened, Veteran, or Realistic.
In Der Eisendrache, use every Wundersphere twice.
In Der Eisendrache, kill a zombie while being flung by a Wundersphere.
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.
Complete Sand Castle on Hardened, Veteran, or Realistic.
In Zetsubou No Shima, remove webs in every possible way in one game.
In Zetsubou No Shima, throw up.
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.
Complete Lotus Towers on Hardened, Veteran, or Realistic.
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, 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.
Complete Campaign on Hardened, Veteran, or Realistic.
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.
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