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Things That Go Ka-Boom Learn how to craft Exploding Arrows

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

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

Go for Gold! In Onslaught, acquire seven gold chalices

Specter Officer Reach max level with one class in the Cooperative campaign.

Electric Whisper Learn how to craft Electric Arrows

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

Supernova Get 3 Stars on 20 different Echoes

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

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

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

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

Patience is key Kill Novikov while he's inspecting a damaged Antenna

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

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

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

The 40-Yard Digital Dash Breach: Succeed 3 Data Sphere deliveries.

Convict freed Complete The Tajmid Heights

Back To School Kill all enemy snipers in Sniper Alley without being hit ("Ghosts of Sarajevo")

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

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

Happy Trails Complete By the Trail of Our Dead

Sleuth Unlock all intel (videos and audio files)

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

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

Castling Complete Rashida Qalat

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

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

Poking the Bush Collect all secrets in Act 1

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

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Long Live the Queen Retrieve the security chips without killing Bibi

Meeting Cancelled Complete Maladh Wadi

Employee of the Year Complete all Mission Contracts

Sniping the Sniper Kill Ronald Payne after he takes up a sniping position

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

Salute Me Achieve the rank of Lieutenant.

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

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

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

Small and Lethal Unlock all Sidearms

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

Keepsakes Of War Collect all secrets in Act 2

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

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Undiscovered Truths Find all the intel hidden in Nightfall.

In Search of Enlightenment Collect all secrets in Act 3

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Network weapon Skillkill 10 enemies in a row