ArmourPiercing

The Collector Buy every weapon off the walls in a single Zombies game.

Eaten by a Grue Play Zork on the terminal.

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.

Hands Off the Merchandise Kill the Pentagon thief before it can steal your load-out.

VIP Receive orders from Lancer.

Give me liberty, or give me death Escape Vorkuta.

Just ask me nicely Break free from the torture chair.

Sacrifice Ensure your squad escapes safely from Cuba.

Death to Dictators Take down Castro with a headshot.

Jailbird Gain access to the jail

The Killing Fields Eliminate the Saints

Growing Pains Obtain your first Mutation

Lounging Around Lounge in a Chair

Science Rules Purchase your first upgrade from an ASL Station

BURG.L Flipper Save BURG.L after the Oak Tree Lab explosion

Underexposed Access Photomode

Fine Dining Cook a bug on the Roasting Spit

Resourceful Analyze 15 resources

A Heavy Blow Assassinate facility leaders

Reach for the Stars Complete 50 challenges

Step Into the Light Exit the mines

Like Stealing Candy From a Baby Pacify Lenny the Limp

Signature Weapons Acquire the Silverballers

The Bartender Always Knows Approach the bartender

All Bark and no Bite Assassinate Wade

Forepost Assassinate Wade's men

Right Back At Ya Kill or incapacitate an enemy who threw a grenade at you.

The Fool Become a mercenary.

Catch a Ride Enter the train in the train station

Batteries Not Included In Spaceland, create an Exquisite Core.

Hoff The Charts! In Spaceland, unlock David Hasselhoff.

Sooooul Key In Spaceland, recover the piece of the Soul Key.

Chamber of Secrets Locate room 899

It's All in the Wrist Achieve a lethal throw kill

One With the Shadows Escape attention from enemies

Whoops Achieve your first accident kill

Silent Assassin Achieve the rating: Silent Assassin

Inconspicuous Remain undetected in a whole checkpoint

Sandman Subdue a person

True Potential Unlock a technique

One of the Guys Blend in successfully

Sticker Collector In Spaceland, find all of the quest items and complete the sticker pack.

A Taste for the Game Complete 10 challenges

Agent Finish the campaign at any difficulty.

Normal ending Finish the game with a final score below 62,000 and the last score digit not equal to zero.

Magician Beat the Magician at the end of the fourth chapter.

Hermit Beat Hermit at the end of the third chapter.

The Beginning of the End The Ultimate Squad

Trial by Blood Reach Squad Level 50