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Full Marks Infiltration - Complete all the Challenges

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

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

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Skilled Adversary In IX have a Challenge banner with all 9 medallions

A New Protagonist Earned the top ranking in the Friendly Match.

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

Full House Complete a Six-player game

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

Atomic Obliteration - Complete all the Challenges

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

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

Pursuit of Knowledge Filled 80% of the Datalog.

Fundamental Principles Amended the Constitution 6 times in a single game

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

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

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

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

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

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

Taking Flight In Gorod Krovi, ride a Dragon.

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

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

In Seventh Heaven Reached overall happiness of 77

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

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

Professional Reach Rank 10 (Ranked Match)

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

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

For Science! Researched all technologies at least once before the year 2005 in a single game

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

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

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

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

Undiscovered Truths Find all the intel hidden in Nightfall.

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.

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

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

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

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

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

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

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

High Score In Zombie Rush, obtain a Personal Score of 250,000

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

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

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

Multiplicitous In Zombie Rush, get your score multiplier up to 100