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Mistress of the Dark In Attack of the Radioactive Thing, unlock Elvira.

The End? In The Beast From Beyond, collect the final piece of the Soul Key.

First Blood Win your first career fight

It's a Toss-Up In Alpha Omega, kill 15 Jolting Jacks on rooftops with grenades in a single match

Ray-gnarok In Alpha Omega, stun 10 zombies at once with the Ray Gun Mk. II-V

The Fratelli Twins Defeat "The Fratelli Twins" during Winterfest

Failed Maintenance In The Beast From Beyond, kill zombies with every trap.

Four Old Gods In Ancient Evil, complete all the Primordial God Trials

Broken Record In The Beast From Beyond, unlock the hidden song.

Spec Ops Complete Touch The Sky in stealth without killing a single guard on Overkill.

Lumberjack Cut out the eyes using the surgical axe.

GT-R Official Record Achieve a time of 7'29.03 on the Nürburgring Nordschleife in a Nissan GT-R '07.
The record must be achieved in a Time Trial in the Arcade mode version of the car with tires of Sports Hard grade or lower equipped.

Book Worm In Shaolin Shuffle, find and collect all bios for AJ, Andre, Poindexter and Sally.

The Big Time Fight on the main card of a UFC event in Career

Beam Me Up Build the Space Elevator Monument

Super Savoyard Defeat "Super Savoyard" during Winterfest

Salvation Lies Above In Tag der Toten, Ascend from Darkness

Detective Gadget Beat any heist using the STRYK Pistol, AK Rifle, GL40 Grenade Launcher, Toolkit upgrade, Sentry Gun equipment and Big Game Hunters crew bonus. To complete this challenge, you will have to have played the heist from the start.

Great Balls Of Fire! Win 100 rallies in Table Tennis with Smash Winners in Champions Cup.

Wow, Such Instincts Complete all Instincts

Encryption Decryption In The Beast From Beyond, Pack-a-Punch the Venom-X twice.

Curb Your Goat Picked Up Poop

The Saviour On UNDERCOVER, place 20 planks by yourself on windows, vents or fences.

Lincoln Black Defeat "Lincoln Black" during Winterfest

Dear Diary In Attack of the Radioactive Thing, listen to all of Willard’s personal recordings.

Message Sent In The Beast From Beyond, send the Turnstile back to the past.

Undead Man's Party Bus In TranZit, complete all additions to the bus in 1 game.

Tough City Have the city survive a crime rate of over 40% for 2 years

Entrapment Entrepreneur In Alpha Omega, kill 11 zombies with 5 different traps

King of the Winterfest Defeat "The Beast" during Winterfest

Knockout of the Night Win a Performance of the Night by Knockout

True Connoisseur Steal the painting by Shanda Latrell in Under the Surphaze on Very Hard or above.

Secret In Tag der Toten, find the secret

Egg Slayer In The Beast From Beyond, equip the Venom-X.

Fuel Efficient In TranZit, use an alternative mode of transportation.

Insurance Policy Complete Touch The Sky with 4 active human shields on Hard or above.

Driven by Rage Take down Menendez and his operation.

Brooklyn Bounty Hunter Complete a bounty from each Safe House in Brooklyn.

Like a Boss Finish the campaign in Elite mode

Happy Hour In TranZit, buy 2 different perks before turning on the power.

Super Duper Combo When playing Skullbreaker, build a combo of size 10 or larger.

Aggro Racer Sideswipe 75 opponents

Sharpshooter! Get a score of 15,000 or better in Archery Challenge Mode.

I am an eagle! Fly for 5 minutes with the Rocket Wingsuit (Extreme Pack DLC required)

Cracking Skulls In The Beast From Beyond, complete Skullbreaker.

Maximum Security Secret Mission: In Episode 1, get the Entire Police Force on the Island.

Reunited with Fidolina Defeat the Papaback and save your dear friend in Dead Ops Arcade

Riding Rabbit Take off and land 5 times in the same Speed Riding run (Extreme Pack DLC required)

Earthloving City No water or ground pollution in a city of over 10,000 residents

Unpleasant Dreams In Attack of the Radioactive Thing, collect the piece of Soul Key as Elvira.