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Tower of Babble In TranZit, obey the voices.

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

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

Ultimate Sacrifice Only one can survive.

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

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

When the Revolution Comes In Buried, return to processing.

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

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

Facing the Dragon In Die Rise, face the dragon head-on before reaching round 2.

Blind Date Successfully rescue HVI.

I'm Your Huckleberry In Buried, access all areas with the help of your new friend in one game.

Never-Ending Game Play 125 rounds of Gauntlet.

Shooting on Location In Call of the Dead, kill 10 zombies with one Scavenger shot from over 100 feet away.

Back in Time Use a future weapon in the past.

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

Old Fashioned Complete "Pyrrhic Victory", "Old Wounds", "Time And Fate", and "Suffer With Me" in Veteran.

Ship Shape Reinforcements on the way.

All Tied Up Complete "Twine Peaks Storm Shield Defense 6"

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

Vertigoner In Die Rise, fling 10 zombies in one game.

Black Ops II Master Complete the campaign on Hardened or Veteran difficulty.

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

Mad Without Power In Die Rise, reach round 10 before turning on the power.

Revisionist Historian In Buried, rewrite history.

Futurist Complete all future levels in veteran.

Slippery When Undead In Die Rise, kill 5 zombies with a single shot from the Sliquifier.

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

Fully Armed and Operational In Moon, acquire 3 pack-a-punched weapons at the same time.

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

I'm My Own Best Friend In Die Rise, revive yourself.

Death From Below In Buried, drop the beat on 10 zombies in one game.

Mission Accepted Complete 214 missions in any version of Battle Royale.

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

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

FSIRT Against the Wall In Buried, purchase the LSAT off the wall and Pack-a-Punch it.

Man of the People Stop the brutality inflicted by the PDF.

Good Karma Crack the celerium worm.

Perks in Spaaaaace! In Moon, purchase every perk in one game.

Polyarmory In Diner Turned, get a kill with each primary weapon in a Public Match.

Mazed and Confused In Buried, survive an entire round within the maze on round 20 or higher.

Ten K Minimum score 10k in every mission

High IQ Collect all intel.

Monkey See, Monkey Doom In Diner Turned, retrieve a chained Cymbal Monkey in a Public Match.

Pop Goes the Weasel In Mob of the Dead, break the cycle.

I See Live People In Diner Turned, kill the human while its decoy is in play in a Public Match.

Trapped in Time In Mob of the Dead, use and upgrade all traps before round 10.

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

Mission Complete Complete all challenges in a level.

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