Ac1D

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

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

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

The Bank always wins in the end Reach the Bank for the first time.

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

Doctorate in Thermodynamics Kill 2 scientists with a single grenade in ‘Self Destructive’ Operation.

Test the Product Knife 10 stacks of cocaine in ‘Hostile Takeover’ Operation.

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

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

Home Wrecker Use 50 pieces of interactable cover.

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

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

Salute Me Achieve the rank of Lieutenant.

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

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

Act 1 Cleaner Complete all Act 1 maps on Nightmare difficulty.

The First Chaos Emerald Acquire a Chaos Emerald.

All Going To Plan! Master Zangief! I fought in 50 network battles! The ring came to life with the clash of burning spirits! (Excludes Battle Lounge)

Sleuth Unlock all intel (videos and audio files)

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

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

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

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

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

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

Undiscovered Truths Find all the intel hidden in Nightfall.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

A Can Of Worms Play Trial of the Worm for the first time.

The Sky Is Mauling! Kill 3 enemies with Mortar Strike in ‘Air Traffic Control’ Operation.

Making a Point Kill both bosses with head shots in ‘Hostile Takeover’ Operation.

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

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

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

Enthusiasms Kill Torres with a melee attack in ‘Hostile Takeover’ Operation.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Justice Is Blind Kill 4 enemies who are stunned by a Flashbang Grenade in any Operation.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

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

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

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Act 4 Cleaner Complete Act 4 on Nightmare difficulty

Artful extraction Absorb your third Boss Stem Cell

The Sound of One Hand Capping Complete ‘Got Your Back’ Operation with only a handgun.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Donut Mess with a Cop Unlock Officer Dick.

Finished, without fear. Finish the game with two Boss Stem Cells active

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Going to the Vet Earn the "Veteran" Challenge Collection.
0/10