ShakAttack52

Dodged a Bullet Never get hit by the sniper while escaping captivity.

Hang Time Kill 3 Enemies while you are on a ladder.

Driver's Ed Shoot the driver of the suicide truck.

All is Well Finish the main story

Just Making Sure Get your revenge on the Sniper

Into the Abyss Find your way into the breach

Happy Days Reunite with your friends

Creature Comforts Comfort the scared pig

It's a Trap! Reach Sand City

The Carusu Enzo escaped the mine

Tarred and Feathered Save your friend from the birds

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

Natural Progression Win an Online Match with Backfire, Scarab, or Zippy

Stocked Collect 150 Items

Time For Tutorial Collect everything in Spongebob's House

Friends no more Complete a race in Split Screen mode.

Frontline Offensive Win 25 Multiplayer Matches

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

Little Lost Girl In Origins, release Samantha.

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

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

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

You Have No Power Over Me In TranZit, defeat "him" without being attacked by "him".

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

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

When the Revolution Comes In Buried, return to processing.

Revisionist Historian In Buried, rewrite history.

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

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

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.

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

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

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

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

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.

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

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.