DeterminedKnight

Quick Off Your Feet In Der Eisendrache, wall buy the BRM.

Hold-Up Artist Reached 100 hold-ups.

Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

Do you even Exo? Exo Melee kill 10 zombies in 30 seconds in Outbreak.

Cheapskate Acquire the exo suit without spending any money in Outbreak.

CQC Six Shot Performed CQC six times in a row.

The Eagle has Landers In Ascension, escape on all three lunar landers.

You have far too many Game Overs Reached 50 or more game overs.

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Special Staff Recruiter Assembled all special staff members.

Death From Above In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

That’s a lot of Jigawatts! In Der Eisendrache, electrocute 121 zombies.

That looks tasty! Nicely cooked a ration.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

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

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

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

Strangelove's Thoughts Read all of Strangelove's memoirs.

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

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

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

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

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

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

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Moneybags Have 15000 credits in the bank in Outbreak.

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

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

I'm dead serious Threw a chaff grenade at ZEKE (single player only).

Kuwabara, Kuwabara Heard a ghost on the radio.

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

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.

New Superpower Complete all China Rising Assignments

Taking Flight In Gorod Krovi, ride a Dragon.

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

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

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

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

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

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

Burgertown Escort Service Rescue 1 survivor in Infection.

Undiscovered Truths Find all the intel hidden in Nightfall.

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

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

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

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

Street Fighter Complete all Dragon's Teeth Assignments

Alright, Alright Survive until round 10 in Infection.