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Iron Mode Complete the game in Iron Mode.

Torque Completionist Gain all stars in 'Torque'.

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

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

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Undiscovered Truths Find all the intel hidden in Nightfall.

Burgertown Escort Service Rescue 1 survivor in Infection.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

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

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

The Forest Go through the forest.

Come On And ... Slam 10 zombies at once in Outbreak.

Casual Reader Collect all the documents scattered in an area.

Lighting Light all the candles in the hospital chapel

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

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

Heavy Fire Kill a total of 30 enemies with Browning gun.

Act IV Complete Act IV.

The Lake House Witness the Arrival

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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Street Fighter Complete all Dragon's Teeth Assignments

Harvester Of Sorrow Complete the game on Expert

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Rookie Finish the game on Easy difficulty.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Alright, Alright Survive until round 10 in Infection.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Survivor Survive until Round 25 in Outbreak.

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

Flying Knives Kill 10 enemies with throwing knives.

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

AMG Completionist Gain all stars in 'AMG'.

Tier One In a group of 4 finish an Operation on Challenge with 5 directives enabled.

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Fallen Eagle Kill 10 eagles.

Slumming Complete all the Midtown missions in a single player campaign.

Collector Collect 10 toys.

The Campsite Reach the road beyond the campsite

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

One Package, Two Receivers Kill 2 enemies with one grenade.

Going Up… In The Darkest Shore, unlock the Ubersprengen.

King in the North Complete all Final Stand Assignments