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Bring it on Play a single player match with the Competitive Master Switch turned On

Laser Eye Surgery Kill the eye cube while pulling back the arrow

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Complete Episode 2 Complete all the chapters in Episode 2.

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Backwards & Forwards Complete ALL levels in N. Verted mode

Supernova Get 3 Stars on 20 different Echoes

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Favorite One Achieve Top Manager Rating Values with your current player

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

9600 BC Completed! Complete the Ancient Atlantis time zone

Year 673 Completed! Complete the Medieval time zone

Green Energy Produce all electricity without using raw materials.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Interception Grapple to an Agent who's reeling through the air, and reel-kick them

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Silence of the Llamas Expel the Infestation at the Farm

No Loose Ends Eliminate the leader of the Raven's Rock faction

Requiem of the Forgotten Kingdom Complete the Forgotten Kingdom Story

The Power of Rico Compels You Exorcise the Infestation at the Church

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

The New Time-Master Beat all of Nefarious Tropy's times in Time Trial Mode.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

They Came From the Lake Liquidate the Infestation at the Lake

Is everyone here? Unlock all characters from the original roster.

Just Another Day at the Office Complete the campaign for the first time

The Flying Dead Abolish the Infestation on the Mountain

Demons on a Plane Obliterate the Infestation at the Crash

Rookie of the Year Earn a B Rank in the Trial of Initiation

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Artisan Craft 30 different items.

Networking Reach a 5-heart friend level with 10 people.

Here's Your Order Destroy 4 enemies with a single blast of Sir Galahad's Arc Rifle

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Range of Fire Fire 7 different charged attacks in a single level

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Never Speak of This Again Finish Extermination

Moocifer Create a Cow Demon

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

I kill dead people Killed 40 ghosts in the Ancient Labyrinth

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

He knows what they did last era Found all eight audio notes in the Ancient Labyrinth