Biff! Bap! KaPow!

Kill three enemies in a melee combo.

The Spider and the Fly

In Shadows of Evil, kill 10 zombies ensnared by a Widow’s Wine grenade.

Parasite-Seeing

In Shadows of Evil, kill 5 Parasites while riding on the train.

Not out of Gobblegum!

In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.

Disavowed

Complete Black Ops on Hardened, Veteran, or Realistic.

A Second Chance

Complete New World on Hardened, Veteran, or Realistic.

Tactical Specialist

Get 5 Medals based on a Specialist Ability in a single game.

Battle Tested

Reach Commander (Level 55) in Multiplayer while playing online.

The Beginning of the End

In Shadows of Evil, complete all Rituals.

From the Shadows

In Shadows of Evil, spot the Shadowman fives times in one game.

Lock, Stock, And Then Some

In Campaign, unlock all attachments for any weapon.

Silverback In Black

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

Doing Camo Right

In Campaign, unlock all camos for any weapon.

Foe To Friend

Use an enemy combat robot to kill 10 enemies.

Decimator

In Campaign, kill 10 enemies in under 3 seconds.

Can't Hide

In Campaign, kill an enemy through a wall or obstruction.

Welcome to the Club

Reach Sergeant (Level 10) in Multiplayer while playing online.

Deadly Specialist

Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.

Fling Me to the Moon

In Der Eisendrache, use every Wundersphere twice.

Der Meisterbogenschuetze

In Der Eisendrache, obtain all of the ancient bows.

Take a Bow

In Der Eisendrache, upgrade the Wrath of the Ancients.

Death From Above

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

The Ultimate Sacrifice

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

In the Belly of the Beast

In Zetsubou No Shima, survive getting consumed.

Fire Mission

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

Not One Inch

In Gorod Krovi, complete a Lockdown Event.

Taking Flight

In Gorod Krovi, ride a Dragon.

Death Ray

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

Wardrobe Change

In Revelations, wear three different hats.

The Grand Tour

In Revelations, visit every unique location within 2 minutes.

Controlled Chaos

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

Pack-A-Punch-ectomy

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

Wonderful

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