ItsEasyIfYaTry

No Zombies in the Vents Unlock the secret shortcut.

Midnight Completionist Gain all stars in 'Midnight'.

Pros Only Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.

Centennial Acquire 100% of the Stars

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

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

Modded Complete an encounter with each Mod in No Return
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Chroma Simpson Complete ''Meltdown at Sector 7-G''

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

Decadent Defeat 10 bosses with Ms. Chalice

The Boy Who Could Run Complete all Parkour Fever Challenges

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

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

Seriously Stylish Slaying! Perform a Stylish Rank SSS combo.
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Horsepower Completionist Gain all stars in 'Horsepower'.

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

I am THE expert on weapons Obtained all weapons (excluding weapons obtained via password).

Home, Sweet Home Visit any Hub World for the First Time

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

Team Ellie Complete all Ellie faction challenge tracks
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Team Abby Complete all Abby faction challenge tracks
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Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

RPM Completionist Gain all stars in 'RPM'.

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

Consumer Make a purchase in Howard's shop

Ultra, Man! If yer gonna fight, give it your all, pal. Performing 100 Ultra Combos oughta do it, eh?

Elements Completionist Gain all stars in 'Elements'.

Go for Gold! In Onslaught, acquire seven gold chalices

Seal the Deal Complete a Triumph Seal.

Together Till the End Be the last man standing

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

GD Parkour Instructor Complete all Parkour Fever Challenges at night

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

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

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

Time for an Upgrade! Collect 5 Gold Bricks

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

A Horrible Night To Have a Curse Survive the nightmare

Around and Around We Go Perform every level interaction once

Marathooner Run 20000 meters in My Hero mode

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

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

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Hard Times To escape death is to beat the strongest of the strong. Finish Arcade Mode on Hardest, kid!

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

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

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

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

Gran Turismo Rally Complete the "Gran Turismo Rally" Special Event.