InSnakesIBathe

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.

Run Astro Run! Got a total Speed Run time of 7 minutes or under.

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.

Relic Hunter Collect 25% of all relics.

Scrounger Collect 5000 pieces of salvage.

Picky Loot 200 enemies.

A Survivor Is Born Complete the game.

Clever Girl Purchase all skills in one category.

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.

Equalizer Kill 75 enemies with the rifle.

Unfinished Business Complete one challenge.

Widowmaker Kill 40 enemies with the shotgun.

Crab Cakes Kill FeeFee the crab.

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

Historian Find 75% of all documents.

Intellectually Superior Complete all optional tombs.

Archaeologist Collect 75% of all relics.

Feather Duster Kill and loot 10 flying animals (crows and gulls).

Bag Full O' Cache Find 75% of GPS caches.

Lethal Purchase all skills in all categories.

Boom Goes the Dynamite Shoot a bundle of dynamite out of the air.

No Stone Left Unturned Find all documents, relics and GPS caches.

Power Chords Collect 50 Power Cells

De-Klawwed Defeat Klaww

Zoom Zoom! Reach the End of the Mountain Pass

Twist and Shout Defeat the Lurker Ambush

Hungry? Protect Farthy's Snacks

The Professional Fully mod and completely upgrade all weapons.

I Got The Blues Navigate the Blue Precursor Rings

It's Cold Out Here Stop the 3 Lurker Glacier Troops

It's Dark in Here Survive the Lurker Infested Cave

Zoom, Zoom, Zoom! Reach the End of the Lava Tube

The Lead Zeppelin Break all Four Tethers to the Zeppelin

The Orberator Collect 1000 Precursor Orbs

Hey, Set Me Free! Free the Yellow Sage

No, Set Me Free! Free the Blue Sage

Kerblamm! Destroy the Dark Eco Crystals

Set Me Free! Free the Red Sage

Set Me Free Already! Free the Green Sage

Maximum Power! Collect 101 Power Cells

Inconceivable! Complete all challenges.

Battle Hardened The Final Battle Against Gol and Maia