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

Defender of the Earth Compete in 100 local or online battles

Like a Boss Finish the campaign in Elite mode

Cracking Skulls In The Beast From Beyond, complete Skullbreaker.

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

Headhunter You completed Assassin's Run with 100% accuracy using only head shots

Mr. Black OP Enter the Soviet relay station undetected.

Belly of the Beast In Attack of the Radioactive Thing, enter the bomb codes correctly on first try.

Tinkerer Place your first gadget.

Quarter Muncher In Attack of the Radioactive Thing, complete Skullhop.

With extreme prejudice Get to the POW compound in the Hind using only rockets.

Sacrificial Lamb Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.

LEEDLE LEEDLE LEEDLE LEE Defeat the Flying Dutchman in the Campaign

Hard Quest Completed Complete your quest on Hard difficulty.

Time Management You finished Chain Kill or Bend Time Massacre without failing any wave, including bonuses

It's your funeral Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.

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

Nightmare Expert Beat the Nightmare challenge on "I am Death Incarnate" difficulty

No Way? No Way Collect gold medallions in Blue Spheres Bonus stage

Frag Master Kill 5 enemies with a single frag grenade in the campaign.

Ultimate Spy Beat "The Diaries of Agent Silent Death" on "Mein leben" difficulty

Super Soldier Beat "The Deeds of Captain Wilkins" on "Mein leben" difficulty

No Leaks Make it through the NOVA 6 gas without dying on Rebirth Island.

Not Today Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.

Research Complete! Level up a Campaign Perk to its max level

Level cap reached Level up any upgrade or wizard power on any table to level 10!

Pathfinder Guide the squad through the Soviet outpost without them getting killed.

Bushido Tactics Clear Arcade with 5 brawlers

Arachnophobia Defeat all the spiders in the cellar on Sorcerer's Lair! (Single player only)

Russian bar-b-q Incinerate 10 enemies with the flamethrower attachment in the POW compound.

Double Whammy Destroy both helicopters with one Valkyrie rocket from the deck of the ship.

BLACK OP MASTER Complete the campaign on Hardened or Veteran difficulty.

I Don't Think They Exist In TranZit, kill one of the denizens of the forest while it is latched onto you.

Shredded Defeat Shredder in the Campaign

Burn Notice Complete "Rebirth" and "Redemption" on Veteran difficulty.

Light Foot Escape the ship with 2:15 left on the timer in Veteran.

Going Ghost! Defeat Vlad Plasmius in the Campaign

The Competitor Play 200 Versus matches

No Man Left Behind Rescue Woods.

Don't you take that tone with me, young man! Complete an Arcade run without losing a single stock

The Journey is the Destination, Man Unlock all Campaign Perks

All-Pro Warrior Beat "The Adventures of Gunslinger Joe" on "Mein leben" difficulty

Closer Analysis Find all the hidden intel.

Hands Off the Merchandise Kill the Pentagon thief before it can steal your load-out.

This I Swear! Defeat Sartana in the Campaign

Just Gettin' Started Complete 1 challenge in any level.

Blimey! Complete an Arcade run on the highest difficulty

Brain Blast! Complete the Pop the Slime Balloons minigame with all (standard) brawlers

Beat this! Win your first Matchup game!

Savior of the World Complete the Campaign's story