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Cryogenic Slumber Party In Moon, complete Richtofen's grand scheme.

One Small Hack for a Man... In Moon, hack something.

Sacrificial Lamb Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.

Zomb Disposal In Shangri-La, dispose of a Napalm zombie without it harming any players.

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Blinded By the Fright In Shangri-La, kill a Shrieker zombie while blinded by it.

Time Travel Will Tell In Shangri-La, acquire the focusing stone.

Monkey See, Monkey Don't In Shangri-La, get something from the monkeys.

See Me, Stab Me, Heal Me Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.

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

Stuntman In Call of the Dead, make a zombie explode using the V-R11.

Quiet on the Set In Call of the Dead, cut the lights on the Director.

Stand-in In Call of the Dead, send the crew to Paradise in solo or co-op.

Ensemble Cast In Call of the Dead, send the crew to Paradise in co-op.

Tower of Babble In TranZit, obey the voices.

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.

Green Hell Finish the game on Green Hell difficulty level

Do you want to play with a snowman? Find a snowman package in 3 different locations

Tastes like chicken... Eat human meat

Sacrifice Ensure your squad escapes safely from Cuba.

Death to Dictators Take down Castro with a headshot.

Self-defense Kill a tribesman

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

They are going THROUGH! In Ascension, kill at least 5 zombies with 1 Gersh Device.

Chimp on the barbie In Ascension, kill a space monkey with a fire trap.

Space Race In Ascension, Pack-a-Punch a weapon before round 8.

The eagle has landers In Ascension, escape on all 3 lunar landers.

Eaten by a Grue Play Zork on the terminal.

Just ask me nicely Break free from the torture chair.

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.

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

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

Standard Equipment May Vary In TranZit, acquire 4 different equippable items in 1 game.

Candygram In Buried, make a candy delivery.

When the Revolution Comes In Buried, return to processing.

Ectoplasmic Residue In Buried, acquire a perk for free.

Fuel Efficient In TranZit, use an alternative mode of transportation.

Undead Man's Party Bus In TranZit, complete all additions to the bus in 1 game.

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

Pyromaniac Unlock 4 fire starting tools

Gardener Cultivate 12 different plants

Globetrotter Travel 64 km

Librarian Read 50 collectibles in the Story mode

Got to catch them all Experience 12 unique diseases and wounds

Going back home Make tortoise soup in it's shell

Casted Far Away Find an unexpected friend

Leeches, leeches everywhere Remove 50 leeches from your body