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Out of the Frying Pan... Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.

Unlocked Potential Fully upgrade a Cybernetics Core.

My World is Fire Equip the Flamethrower Boost and win a 4v4 Online match

Homo Homini Lupus Est Save 15 survivors from Rais's men

It's All In the Writing Find all text collectibles

For Whom the Shell Tolls Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

Welcome to Nam DLC Vietnam: Get back your gear at the helicopter crash site.

Buddy Beater In multiplayer, get the top score on the scoreboard 20 times.
8/20

Friends and Foes Complete Rise and Fall on Hardened, Veteran, or Realistic.

The Best of the Best Complete the campaign on Hardened or Veteran difficulty.

Companion Finish the game with the same partner for the majority of the journey and return to the beginning.

Strike! Kill 5 enemies with a single grenade.

Kill Box Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Cortex's Terrifying Trial Earn the Key in Jaws of Darkness.

What Goes Up... Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."

Sprinter Complete the main story within 8 hours.

Just take a bite Embrace Clay during your first meeting with him

Payback Complete "Mind the Gap", "Goalpost", and "Return to Sender" on Veteran difficulty.

Let the Good Times Roll! Participate in all the activities at the wedding.

Fast Break Score at least 2 Dunks in the first minute of a Hoops game

Ruthless Make 50 total Shots on Goal using Merc, Grog, or Ripper

Scientific Pursuits Completed "Scientific Pursuits"

Understanding Madness Complete Demon Within on Hardened, Veteran, or Realistic.

Fracture Jaw Complete Fracture Jaw in Campaign on any difficulty.

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

The Life Exotic Obtain and equip a piece of Exotic gear.

Can't Trust a Rat Killed 15 Racket Informants

Proficient Agent Complete the main story on Hardcore mode or higher.

City of Lights Complete "Bag and Drag" and "Iron Lady" on Veteran difficulty.

Registered Voter Head to 'Arena Preferences' and use all of your votes

The Darkest Hour Complete "Eye of the Storm", "Blood Brothers", and "Stronghold" on Veteran difficulty.

Team Creator Build and save a level with more than one player with the thermometer more than 30% full

Fly, Swim, Shoot Complete Sand Castle on Hardened, Veteran, or Realistic.

Big Earner Received $10,000 in earn from one Underboss

More Gems Are Better Than None Earn 13 Gems.

Moo-rderer Kill 20 cows.

Hydrogen Bonded Achieve 100% synchronization in Dead Kings.

Protector Reached Level 8 with Good Karma

This is the End Complete "Scorched Earth", "Down the Rabbit Hole", and "Dust to Dust" on Veteran difficulty.

Survival of the Fittest Equip a Topper and win an Unfair Bot Match

200 Stories of Sheer Adventure! Complete Lotus Towers on Hardened, Veteran, or Realistic.

A pint of frosty amber liquid Conrad successfully flirted with Fliss

Hunter Killer Kill 100 Hunters in PvP.

Silent Stranger Complete the main story without talking to the Merchant once.

Up high! In multiplayer, high five with a friend.

Treasure Hunter Collect 75% of the prize bubbles on the story levels

Getting Carried Away Discovered the Secret Exit in Dino Might!

Minimalist Complete the main story using only knives and handguns. (Excluding specific battles.)

Welcome to the Basement Win a Quick Race on any track in the Basement (not unlockable in Split Screen mode).

Serrated Edge Finish a Juggernaut with a knife.