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One Smart Cookie Complete one optional tomb.

Bookworm Find 25% of all documents.

Predator Kill 50 enemies with the bow.

Down and Dirty Perform 15 finishers.

Big Game Hunter Kill and loot 10 large animals (deer, boar, wolves).

Sharp Shooter Perform 50 headshot kills in the single player campaign.

Opportunist Kill 25 unaware enemies.

Gunslinger Kill 35 enemies with the pistol.

FBI Investigator Crime Scene - Find all clues related to the Origami Killer in the scene

Relic Hunter Collect 25% of all relics.

Scrounger Collect 5000 pieces of salvage.

Escape Master On the Loose - Escape the police at the motel

Picky Loot 200 enemies.

Tinkerer Customize one slot on a car

Good Friends The Park - Play two games with Shaun successfully and buy him candy

Good Father Father and Son - Follow the schedule with Shaun and put him to bed in a good mood

A Survivor Is Born Complete the game.

Clever Girl Purchase all skills in one category.

The Chef Eureka - Prepare a good omelette on time

Pick-Me Up Collect 5 Items

Triple Threat Win a 3v3 game

Clean Sheet Win a game without giving up a single Goal

Self Control Nathaniel - Do not shoot Nathaniel

Tastes Like Chicken! Kill and loot 10 small animals (rabbits, chickens, rats).

Looking for Trouble Find 25% of GPS caches.

Epic Fumble Force an enemy to drop dynamite that kills two people when exploding.

Smart Girl The Doc - Do not drink the Doc's beverage

Equalizer Kill 75 enemies with the rifle.

Unfinished Business Complete one challenge.

Swimming Instructor Trapped - Save Lauren underwater

Winner Win a total of 5 games across any mode

Widowmaker Kill 40 enemies with the shotgun.

Crab Cakes Kill FeeFee the crab.

Friendly Play an Exhibition match

Wall-Crawler Drive on the dome walls for a total of 5 minutes

Happy Birthday Prologue - Complete the drawing + Set the table + Play with kids

Singles Club Win a 1v1 game

Helen's Pride Score 6 Goals in a single game

Coward! The Butterfly - Give up or fail the Butterfly Trial

Pride Saved Sexy Girl - Take off no more than one item of clothing during the strip-tease

Roll Over ... and Die Win the first Cerberus fight

Now We're Getting Serious Fully mod and completely upgrade any weapon.

Totally Baked Complete the Sacrifice

Double Up Win a 2v2 game

Turbocharger Use your Rocket Boost for a total of 5 minutes

Key to Success Collect all of the Muse Keys

Goodbye Mad Jack Mad Jack - Survive the fights against Mad Jack

Minute to Win it With only 60 seconds left, Win a game in which you were tied or trailing

Beat a Dead Horse Complete the Centaur sacrifice to Hades

Traveler Play a game in six different Arenas