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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

Cold Warrior Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.

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

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

Slingshot Kid Destroy all slingshot targets in 3 attempts.

Mined Games In Buried, be their pawn.

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

Eaten by a Grue Play Zork on the terminal.

Revisionist Historian In Buried, rewrite history.

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

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

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

When the Revolution Comes In Buried, return to processing.

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

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

Ectoplasmic Residue In Buried, acquire a perk for free.

Candygram In Buried, make a candy delivery.

Ready For Deployment Reach rank 10 in Combat Training.

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.

Just ask me nicely Break free from the torture chair.

Ten K Minimum score 10k in every mission

Death from Above Stop Menendez once and for all.

Dead or Alive Jailor or executioner.

Late for the Prom Escort the president to the secure location in downtown LA.

Sinking Star Interrogate Menendez.

Ship Shape Reinforcements on the way.

Good Karma Crack the celerium worm.

Deep Cover Capture Menendez.

Art of War Successfully assassinate SDC Chairman Tian Zhao.

False Profit Capture Manuel Noriega and bring him to justice.

Dirty Business Listen and think before you shoot.

Blind Date Successfully rescue HVI.