Solrina

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

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

Untouchable Defeat any boss without taking damage (General)

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Don't burn yourself out Defeated the Keeper

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

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

ARCHIVIST Collect all documents

Apprentice Complete stages 1 to 4

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Got Your Back Revive your Co-Op partner 10 times.

Collateral Damage Destroy 30 EyeScouts and Helicopters in Ginormica’s levels in Coop.

Head Trauma Use every type of melee weapon on a zombie

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Tailor-made Chose a perfectly fitting armor

Wishing for the Best Complete the "Last Wish" Raid.

Fully Loaded Maximize all upgrades.

Gotta Catch'em All Collect all secrets.

Of Mice and Chen Complete ''Elements of Surprise''

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

Friendly Rivals Compare your ranking on any Challenge with a Friend on your Friends list.

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

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Fly Swatter Destroy 3 Flypods within 5 seconds on any level of Insect Infestation.

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

Loot and Pillage Collect $1,000,000

Mancake! Kill an enemy by dropping a structure on them.

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

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

All Calm in the Crypts Don't kill anyone in Level 3: The Way to Rivendon

Street Fighter Complete all Dragon's Teeth Assignments

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Full Arsenal Buy all upgrades for all characters (Green nodes).

Loyal Customer Purchased all upgrades in the Motor Forge

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

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

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

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

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

Footy Foul Kill 2 enemies with 1 Slide Kick during Slow-Mo

Two is Better than One Buy all coop upgrades.

Air Support Master Destroy 100 BHolders in The Missing Link’s and B.O.B.’s levels in Coop.

State of the Badass Art Complete all Campaign levels on Ultimate Badass difficulty

Maximum Attraction Tractor Beam 50 enemies in The The Missing Link’s and B.O.B. levels in Coop.

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

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

Real men don't need a map Just in case you picked up a shielding map

Olympic Champion Get any Medal for all Monster Challenges.