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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.

Sally Likes Blood Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

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.

A safer place Sabotage the Soviet space program.

Unconventional Warfare Use the explosive bolts to kill 30 enemies in the campaign.

VIP Receive orders from Lancer.

Give me liberty, or give me death Escape Vorkuta.

Vehicular Slaughter Destroy all enemies on vehicles during the prison break.

Slingshot Kid Destroy all slingshot targets in 3 attempts.

Sacrifice Ensure your squad escapes safely from Cuba.

Frag Master Kill 5 enemies with a single frag grenade in the campaign.

Death to Dictators Take down Castro with a headshot.

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

Eaten by a Grue Play Zork on the terminal.

Just ask me nicely Break free from the torture chair.

I Don't Think They Exist In TranZit, kill one of the denizens of the forest while it is latched onto you.

Little Lost Girl In Origins, release Samantha.

Master Wizard In Origins, wield all of the ultimate staffs in one game.

Making the Rounds In Mob of the Dead, complete the cycle 3 times.

GG Bridge In Mob of the Dead, survive an entire round on the bridge on round 15 or higher.

No One Escapes Alive In Mob of the Dead, execute the escape plan.

Acid Drip In Mob of the Dead, convert a weapon using a kit.

Feed the Beast In Mob of the Dead, obtain Hell's Retriever.

When the Revolution Comes In Buried, return to processing.

Revisionist Historian In Buried, rewrite history.

Ectoplasmic Residue In Buried, acquire a perk for free.

Candygram In Buried, make a candy delivery.

Overachiever In Origins, complete all 4 Challenges in one game.

Playing with Power In Origins, build all elemental staffs in one game.

Not a Gold Digger In Origins, share a weapon you dug up.

I’m on a Tank! In Origins, ride the tank around the map without getting off.

Kung Fu Grip In Origins, free yourself and another from the Panzer Soldat’s claw in one game.

Paranormal Progress In Mob of the Dead, open a door without spending points.

All Your Base In Origins, activate all generators without allowing one to stop.

High caution Finish any level without dealing friendly damage

Waste of time Defuse 10 mines
10/10

The most effective way Finish any level using just pistol

Escape Finish episode "New York" on any difficulty

Explosive Kill 10 zombies with gas cylinder explosion
10/10

First Ride Obtain 1 vehicle.

Ultimate Anomaly Hunter I Reach Level 20 with 1 Character.

Alea Jacta Est Complete Questline: Unforeseen Yet Foretold.

A Special Gift Receive a weapon or item as a gift for the first time.

Architect Build a facility for the first time.