Crypto151

Life Half Full Toggle on the Crab Head Zombie skin for the first time.

Shifting Sands Gather intel on Raul Menendez from Mullah Rahmaan.

Gathering Storm Investigate the jungle facility.

Just Gettin' Started Complete 1 challenge in any level.

No Man Left Behind Rescue Woods.

Gun Nut Complete a level with customized loadout.

Big Leagues Start the Campaign.

Stand Down Complete the campaign on any difficulty.

Double Whammy Destroy both helicopters with one Valkyrie rocket from the deck of the ship.

Clarity Crack the code.

No Leaks Make it through the NOVA 6 gas without dying on Rebirth Island.

I hate monkeys Kill 7 monkeys in under 10 seconds in the Rebirth labs.

Easy Rhino In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

Insert Coin Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Just ask me nicely Break free from the torture chair.

Russian bar-b-q Incinerate 10 enemies with the flamethrower attachment in the POW compound.

With extreme prejudice Get to the POW compound in the Hind using only rockets.

Mr. Black OP Enter the Soviet relay station undetected.

Never get off the boat Find the Soviet connection in Laos.

Lord Nelson Destroy all targets and structures while making your way up the river.

Heavy Hand Use the Grim Reaper to destroy the MG emplacement.

Up close and personal Silently take out 3 VC.

Some wounds never heal Escape the Past.

Broken English Escape Kowloon.

Double Trouble Use only dual wield weapons to escape Kowloon.

SOG Rules Retrieve the dossier and the defector from Hue City.

Raining Pain Rack up a body count of 20 NVA using air support in Hue City.

The Dragon Within Kill 10 NVA with Dragon's Breath rounds.

Looks don't count Break the siege in the battle of Khe Sanh.

Tough Economy Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Life Half Empty Toggle on the Retro Zombie skin for the first time.

SPUDOW! Blow up a zombie using a Potato Mine.

A safer place Sabotage the Soviet space program.

VIP Receive orders from Lancer.

Give me liberty, or give me death Escape Vorkuta.

Sacrifice Ensure your squad escapes safely from Cuba.

Death to Dictators Take down Castro with a headshot.

Storied Jedi Complete a chapter with a full True Jedi meter in Story mode.

End of the Beginning Complete Episode III: Darth Vader in Story mode.

Not the Arm! Complete Episode II: Count Dooku in Story mode.

Teamwork Makes the Dream Work Complete Episode I: Darth Maul in Story mode.

Trial by Fire Take a total of 2000 damage units.
2000/2000

It was THIS Big! Catch a fish weighing at least 16 lbs (7.3 kg).

There is Hope Save the world

Eternity Can Wait Spare Essex Mast at the end of the Oneirist Journey

It All Dies End the world

Something Wicked This Way Comes… Complete the Oneirist Journey

What’s in the Box? Return the Heathen’s Box unopened

Monster Hunter Collect the bounty on a Pigman or Ravenous

Mystery Machine Save both innocents in The Strangeness