Stevo-Rulz

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

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

Total protonic reversal Complete Return to Hell on any difficulty.

None more hard Complete the Campaign on Nightmare difficulty.

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

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

Happy Trails Complete By the Trail of Our Dead

Never Speak of This Again Finish Extermination

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

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

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

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

Moocifer Create a Cow Demon

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

Everyone fights, no one quits Revive 10 downed teammates over any number of Resistance Mode missions.

Safari Tour Play at least one full round in every Official Map (Ranked Match)

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

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

New Superpower Complete all China Rising Assignments

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

Burgertown Escort Service Rescue 1 survivor in Infection.

I kill dead people Killed 40 ghosts in the Ancient Labyrinth

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

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

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Undiscovered Truths Find all the intel hidden in Nightfall.

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

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

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

Salute Me Achieve the rank of Lieutenant.

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

Professional Reach Rank 10 (Ranked Match)

Green Series clear Get a silver medal on every green track

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

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

He Talked Too Much Defeat Emerson Miller

Call of the Void Complete Ragnarök - Part II on any difficulty.

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

Alright, Alright Survive until round 10 in Infection.

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

E Pluribus Unum Earn 20 team citations.

Survivor Survive until Round 25 in Outbreak.

Hot Pants Complete I Now Know Why You Cry

Don't burn yourself out Defeated the Keeper

Mr. Death Get all Trophies.

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

Tailor-made Chose a perfectly fitting armor

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

Ladies Night Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

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