Strike!

In Shadows of Evil, use the rocket shield attack to kill at least 10 zombies in one burst.

Parasite-Seeing

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

Silverback In Black

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

Disavowed

Complete Black Ops on Hardened, Veteran, or Realistic.

Decimator

In Campaign, kill 10 enemies in under 3 seconds.

Can't Hide

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

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.

Margwa Party

In Shadows of Evil, kill 2 Margwas in a single round.

The Spider and the Fly

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

From the Shadows

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

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.

Not out of Gobblegum!

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

The Beginning of the End

In Shadows of Evil, complete all Rituals.

That’s a lot of Jigawatts!

In Der Eisendrache, electrocute 121 zombies.

Der Meisterbogenschuetze

In Der Eisendrache, obtain all of the ancient bows.

Not Big Enough

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

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.

Fling Me to the Moon

In Der Eisendrache, use every Wundersphere twice.

Not One Inch

In Gorod Krovi, complete a Lockdown Event.

Taking Flight

In Gorod Krovi, ride a Dragon.

For The Good Of All

In Revelations, the Key must be opened.

A Better Tomorrow

In Revelations,complete the cycle.

Wonderful

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

Death Ray

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

Wardrobe Change

In Revelations, wear three different hats.

Controlled Chaos

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

Keep Close

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

Pack-A-Punch-ectomy

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

The Grand Tour

In Revelations, visit every unique location within 2 minutes.

Little Lost Girl

In Origins, release Samantha.

Overachiever

In Origins, complete all 4 Challenges in one game.

The Eagle has Landers

In Ascension, escape on all three lunar landers.