CF_Assassin

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Team Ellie Complete all Ellie faction challenge tracks
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Team Abby Complete all Abby faction challenge tracks
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First Blood Finish a round of Last Stand

Anything Can Be A Weapon Throw an opponent into fire or spikes 50 times.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

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

Silence is Golden You completed The Brigmore Witches without alerting anyone

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

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Revert Bomber Killed 10 enemies by aging a Revert and having it explode near them in single player campaign

Hooligan Get 100 % of the Breakables from all Missions in Story Mode.

Did we win? Survive the RDA attack in Iknimaya.

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Music Lover Collect all harmonica melodies in the SAM'S STORY chapter.

Centennial Acquire 100% of the Stars

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Frequent Flyer BASE jump and travel more than 150 m with your parachute

Missed me! Defeat a boss on any difficulty level without taking damage

Lore Master Get 100 % of the Observables from all Missions in Story Mode.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

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

D.I.Y. Escape with more than $2,500,000 in a round of either Arcade Mode or Multiplayer Ranked Match.

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

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

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

Dance Off! Execute 30 enemies while holding them as human shield.

A for effort Attain a Time Trial star rating of 35

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

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

Now You Must Tell the Tale Viewed all Legends

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

Specter Officer Reach max level with one class in the Cooperative campaign.

A Reservist Manually deploy Troops in 5 different Campaigns.

Duel Master Win 20 Duel PvP matches.

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

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

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

Breach Apprentice Win your first Breach match.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

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

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Go for Gold! In Onslaught, acquire seven gold chalices

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

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

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

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'