Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unock
A Trusty Old Friend (10 points)	Kill 5 enemies within 10 seconds using any rifle.
Avid Shopper (10 points)	Purchase all items from the Supply Shack.
Bacon! (10 points)	Kill a razorback boar using a Molotov cocktail.
Bar Brawl (10 points)	Melee kill an enemy using a bottle.
Blade of Justice (10 points)	Perform 25 special stealth kills with the knife.
Challenging (10 points)	Complete any Challenge Tomb.
Chemical Warfare (15 points)	Kill 5 enemies with one Poison Arrow.
Compulsive (25 points)	Complete every Challenge.
Craftswoman (10 points)	Craft 5 pieces of Equipment.
Dead Ringer (10 points)	Get 25 headshots using the Bolt-Action Rifle.
English Pedigree (15 points)	Headshot an enemy with an arrow from a distance beyond 25m.
Fall Guys (10 points)	Kill 10 enemies by shooting them in the leg.
Fearless (15 points)	Defeat a Deathless Swordsman using only melee attacks and a finisher.
Firestarter (5 points)	Defeat two enemies or more using a single Molotov Cocktail.
Fluent (10 points)	Reach max proficiency in one language.
For My Next Trick... (15 points)	Dive into a well.
Gilded (10 points)	Complete a level in Score Attack with a gold score.
Glub Glub Glub (10 points)	Drown 3 enemies using a water finisher.
Golden Child (25 points)	Complete every level in Score Attack with a gold score.
Good Samaritan (10 points)	Complete 3 Missions.
Huntress (10 points)	Kill 50 animals while wearing the Huntress outfit.
Iron Will (10 points)	Complete a level in Score Attack using 5 cards.
Keen Eye (15 points)	Unearth 40 Survival Caches.
Laying Down The Law (15 points)	Kill 6 enemies with the Revolver without reloading.
Looking for Trouble (10 points)	Complete 5 Challenges.
Master Fletcher (10 points)	Craft 25 of each special arrow type (Fire, Grenade, Poison).
My Own Worst Enemy (10 points)	Complete a level in Score Attack with a card bonus of 200% or more.
No Guts, No Glory (15 points)	Perform a 2.5 second or longer swan dive.
No Stone Unturned (40 points)	Achieve 100% game completion.
One-Sided Conversation (10 points)	Stealth kill an enemy while he is having a conversation.
Paying Respects (10 points)	Attend a funeral.
Quick and Painless (10 points)	Shoot 15 deer in the heart.
Quiet Time (5 points)	Find the best seat in the house.
Quite the Collector (10 points)	Collect 150 cards.
Rapid Recovery (5 points)	Heal yourself in combat 3 times.
Reading the Past (10 points)	Translate one Monolith.
Renegade (10 points)	Melee 5 enemies off a ledge.
Rotisserie (10 points)	Shoot a chicken out of the air with a fire arrow.
Self-Improvement Junkie (10 points)	Purchase all skills in one category.
Siberian Ranger (15 points)	Beat 15 combat encounters after completing the game.
That All You Got? (10 points)	Complete 3 Replay Challenges in one Score Attack level.
The Price of Truth (125 points)	Finish the game on any difficulty.
These Belong in A Museum (15 points)	Collect 300 cards.
Tomb Raider (50 points)	Complete all Challenge Tombs in one playthrough.
Trick Shot (10 points)	Shoot a bottle out of the air.
Triple Threat (10 points)	Kill 3 enemies with 1 Shotgun blast.
Truth Seeker (10 points)	Collect 25% of all narrative assets (relics, murals, and documents).
Ultimate Survivor (40 points)	Finish the game on Survivor difficulty.
Untouchable (25 points)	Replay 5 different levels without taking any damage.
Voices of the Past (15 points)	Collect 75% of all narrative assets (relics, murals, and documents).
Was That Really Necessary? (10 points)	Kill any animal with an explosive.
Way to Go (15 points)	Complete every level in Score Attack with a bronze score or better.
Weaponsmith (10 points)	Fully upgrade one weapon.
Well Begun Is Half Done (10 points)	Complete 10 different levels in Score Attack with a gold score.
Woman of the People (25 points)	Complete every Mission.
Zipper (15 points)	Perform a manual zip line transfer.