Koro249

Candygram In Buried, make a candy delivery.

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

Don't Fire Until You See In TranZit, have all doors opened without being set on fire.

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

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

Tower of Babble In TranZit, obey the voices.

When the Revolution Comes In Buried, return to processing.

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

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

Back in Time Use a future weapon in the past.

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

Revisionist Historian In Buried, rewrite history.

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

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

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

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

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

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

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

Futurist Complete all future levels in veteran.

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

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

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

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

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

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

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

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

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

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

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

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.

A Burst of Flavor In Mob of the Dead, kill 10 zombies at once with a new beverage.

Full Lockdown In Mob of the Dead, Brutus completes his patrol.

Awaken the Gazebo In Buried, Pack-a-Punch a weapon during round 1 with no one using the bank or Weapon Locker.

Shafted In Die Rise, use Pack-a-Punch and all perk machines in one game.

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

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

High Maintenance In Die Rise, be the architect of their instruction.

Little Lost Girl In Origins, release Samantha.

Master of Disguise In Origins, use Zombie Blood to revive three players and activate a generator in one game.

Mined Games In Buried, be their pawn.

Saving the Day...All Day In Origins, revive another player four different ways in one game.

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

Giant Accomplishment Complete all challenges in Black Ops II.

Unyielding III Complete all 'Unyielding' Track Challenges in the first 8 Events

Full Throttle III Complete all 'Full Throttle' Track Challenges in the first 8 Events

Naughtiest Naughty Club Scored a Total of 250 000 000 Naughty Points.

Through The Fires of Hell Complete Inferno IV