This Way To Oros
Survive the mammoth hunt.

This achievement is unlocked by completing the hunt that acts as the initial tutorial into the game.

Spiritual Advisor
Tensay joins the Wenja village.

When you get the map objective for Tensay you will be able to go to him and perform the quests that introduce you to beast taming as well as give you your owl. Upon completion of taming the White Wolf Tensay will join your village and this achievement will unlock

Home Improvement
Build or upgrade any 2 village huts.

You can start building huts when your village population hits fifteen. Recommended waiting until you've bought Tensay back to the village first, by then you will probably have more than enough resources.

At the village, Sayla and Tensay will be hanging around the spots where their huts are to be built - look for their icons on the mini map. Next to them will be a stone pedestal where you can build and upgrade their home.

Spearproof
Repel the Udam attack.

During the story you have to attack the Udam village after they attack yours. Complete the mission and destroy 3 bone towers to unlock this achievement

Mapmaker
Discover 15 hidden locations.

Hidden locations pop when you explore and find them in the world. This achievement will unlock usually within the first 3h of gameplay.

Subdivisions
Your Wenja tribe reaches a population of 20.

This achievement will unlock when you reach Wenja tribe to 20 population. Sometimes might be glitched and unlocks when you reach 50-100.

Deadeye
Karoosh joins the Wenja village.

Achievement will unlock when Karoosh the warrior joins your village after assisting him in a fight against Udami.

Mister Fix-It
Wogah joins the Wenja village.

This achievement will unlock after you convince Wogah to join your village after you complete escaping from the cave. He abandons you and you escape that cave in order to come back up and around to confront him again, at which point he will join the village.

Gray Huntress
Jayma joins the Wenja village.

This achievement will unlock after you convince Jayma to join your tribe. When you confront her she'll give you a quest to hunt down a brown bear that is easy enough, upon killing said bear a cutscene will occur where she speaks to you, she will then join the village.

Armorer
Use the crafting ability 100 times to craft weapons or arrows.

Crafting arrows early on will get this achievement done quickly

Fancy Friend
Tame 1 rare beast.

Rare beasts when you track them using your hunter's sense they have the yellow smoke trail behind their movements, but they also have a different coloration than their normal counter-parts.

Menagerie
Tame 7 beasts.

There are total 17 tameable beasts in Far Cry Primal. You need only 7 of them for the achievement. Note: Has to be different animals

Veterinarian
Heal a tamed beast 25 times.

Before you can tame animals you have to do a story based mission early on in the game. You will also need a total of 25 meat to unlock this, you can harvest meat from dead animals and often you will get some from your in game daily loot sack drops. It dosen't require the same tamed beast

Sic 'Em
Eliminate 50 hostile targets using a tamed beast.

This is achieved utilizing your pet to kill enemies be they members of opposing tribes or even just wild beasts.

Sharpshooter
Eliminate 100 enemies using a bow.

The Club, Bow, and Spear all have achievements for hitting 100 kill count. Depending on your personal preference, you'll pick up at least two achievements for the weapons without really trying.

Liberator
Rescue a Wenja captive from the Izila.

You will receive this after completion of the 3rd mission for Tensay the Shaman. The mission is called 'The Take Wenja'.

Twelve Labors
Complete any 12 specialist missions.

Specialist missions are:
1. Sayla the Gatherer
Recruit Mission - "Path to Oros"
Sayla Mission 1 - "Deep Wounds"
Sayla Mission 2 - "The Bone Cave"
Sayla Mission 3 - "Into Udam Land"

2. Tensay the Shaman
Recruit Mission - "Vision of Beasts"
Tensay Mission 1 - "Beast Master"
Tensay Mission 2 - "Vision of Ice"
Tensay Mission 3 - "The Taken Wenja"
Tensay Mission 4 - "Vision of Fire"
Tensay Mission 5 - "The Mask of Krati"
Tensay Mission 6 - "Attack of the Udam"

3. Wogah the Crafter
Recruit Mission - "Trapped"
Wogah Mission 1 - "Blood of Oros" (thanks HolyHalfDead)
Wogah Mission 2 - "The Peak of Oros"
Wogah Mission 3 - "The Lost Totem"

4. Karoosh the Warrior - find Karoosh at the Mamaf Foot Pond
Recruit Mission - "Brother in Need"
Karoosh Mission 1 - "Stomp Udam" (need Mammoth Rider fighting skill)
Karoosh Mission 2 - "Eye for an Eye"

5. Jayma the Hunter - find Jayma near the Cave of Hasari
Recruit Mission - "On the Hunt"
Jayma Mission 1 - "The Tall Elk"
Jayma Mission 2 - "The Great Beast"

6. Urki the Thinker - no hut needed
Urki Mission 1 - "Fly Like Bird"
Urki Mission 2 - "Strong Like Rock"
Urki Mission 3 - "Urki's New Stink"

7. Dah of the Udam
Recruit Mission - "Capture Udam Big Darwa Fort"
Dah Mission 1 - "Wenja Welcome"
Dah Mission 2 - "Bone Dust"
(upgrade Dah's Hut to Level 2)
Dah Mission 3 - "Sisters of Fire"

8. Roshani of the Izila
Recruit Mission - "Capture Izila Fire Screamer Fort"
Roshani Mission 1 - "Seeds of the Sun"
Roshani Mission 2 - "Blood Sacrifice"
Roshani Mission 3 - "The Blaze"

Here Kitty
Tame the bloodfang sabretooth.

Once you have satisfied Jayma enough by doing her welcome to the village quest to go hunting Elk. She will give you the master Hunter quests. Hunt down the BloodFang Sabretooth and after you beat him up, he will run. Give chase again and upon defeating him in his own den, you will be allowed to tame him

Killer's Belief
Eliminate 25 enemies using any takedown.

This requires you to "Take Down" 25 enemies. These are the kills where you catch them unaware

Uncaged
Escape the Udam caverns.

When pursuing the Rare Northern Yellow leafs for the quest given to you by Sayla, you will be ambushed by Ull and put into a prison. All you have to do is escape, kill the cave guardian and get out of there to complete the quest

Conquest
Capture all forts.

Important to understand that 'Forts' are not the same as outposts or campfires. In fact, there are only two Forts in the game.

Outta My Way
Eliminate 25 enemies while riding any beast.

You need these two skills for the Achievement. In the Beast master skilltree the skill "Tame Apex Predators" and in the Fighting Skill Tree the Beast Rider Skill. Tame a brown Bear or Sabretooth Tiger and ride them.

Skirmish
Capture 10 outposts.

Taking over enemy outpost is very simple, advisable to do it sealthy.

Krati, Krati, Krati!
Steal the Izila mask of Krati.

One of the last missions that Tensay will give you, is to go to one of the alters and steal the Krati mask. It is a straight forward quest.

Endangered
Fight the bloodtusk mammoth.

This is another of the beast hunter mastery quests. This one requires you to hunt down the biggest mammoth you've come across yet. Utilizing the traps in the individual hunt areas will completely minimize this hunt and give you ample opportunity to take him down without facing any real danger.

Big Teddy
Tame the great scar bear.

pretty straight forward but beware of being near the water when you bring him down. He becomes unable to be tamed and just dies if he falls into the water.

Good Boy
Tame the snowblood wolf.

After completing Jayma's initial set of quests you will get the Beast Hunter Mastery quests that require you to hunt a few superior versions of beasts down.

BEES!
Eliminate 10 enemies using sting bombs.

Later in the campaign you will learn how to make the sting bomb which is quite effective against armored foes until you get your gear upgraded a good big. Just toss sting bombs at enemies and a swarm of angry bees will tear them apart

Evolution in Action
Complete the mission, The Hunt for Ull.

The mission 'The Hunt For Ull' is one of your two 'final' missions - although it is visible and available as soon as you complete Into Udam Land and get the Antidote. It's worth waiting til you have skilled and crafted up a bit before attempting, but equally it's not so difficult that you need to leave this until the very end of your playthrough.

Feathered Friend
Eliminate 15 enemies using your owl.

You need the Owl: Attack Skill for this achievement. You can reduce the cooldown to 40 sec but it is not necessary. The Owl: Weapon Drop Skill does not count! Only Owl: Attack counts. You can do this everywhere on the map, best places are outposts or bonfires.

To Ash
Complete the mission, The Fall of Batari.

he mission 'The Fall of Batari' is one of your two 'final' missions - although it is visible and available after you steal the mask of Krati through Tensay's quest line, and gain the mammoth rider skill.

Skewered
Eliminate 100 enemies using a spear.

Stabbing and throwing a spear counts towards this achievement

Good Neighbor
Complete 15 "Help Wenja" quests.

These quests are all over the map indicated by an orange marker with a little question mark. Once you reach said marker, you will speak with a member of the tribe, who will send you to another location indicated by the same orange marker.

And Stay Down
Eliminate 100 enemies using a club.

Remember you can throw your clubs! Once you've upgraded the one handed clubs, throwing becomes an effective way to slaughter your rivals!

Real Estate Baron
Complete all hut upgrades.

Takkar's hut:
Level 1: 4 Alder Wood, 3 Slate, 2 Reeds, 4 Goat Skins
Level 2: 35 Alder Wood, 25 Slate, 10 Reeds, 4 Badger Skins, 40 village population

Sayla's Hut:
Level 1: 4 Alder Wood, 3 Slate, 2 Reeds, 2 Deer Skins
Level 2: 35 Alder Wood, 20 Slate, 20 Reeds, 4 Mammoth Skins, 40 Village population

Tensay's hut:
Level 1: 2 Alder Wood, 2 Slate, 2 Reeds, 2 Wolf Skins
Level 2: 38 Alder Wood, 15 Slate, 16 Reeds, 1 Rare Black Lion Skin, 40 Village population

Wogah's hut:
Level 1: 3 Alder Wood, 3 Slate, 3 Reeds, 2 Jaguar Skins
Level 2: 20 North Cedar, 15 North Black Rock, 10 North Clay, 3 Cave Bear Skins, 40 Village population

Jayma's hut:
Level 1: 5 Alder Wood, 4 Slate, 3 Reeds, 1 Brown Bear Skin
Level 2: 45 South Maple, 30 South Stone, 15 South Rock Dust, 2 Rare White Deer Skins, 40 Village population

Karoosh's hut:
Level 1: 4 Alder Wood, 5 Slate, 2 Reeds, 4 Wolf Skins
Level 2: 30 North Cedar, 35 North Black Rock, 20 North Clay, 1 Rare Stripe Wolf Skin, 40 Village population

Dah's hut:
Level 1: 15 North Cedar, 15 North Black Rock, 15 North Clay, 1 Rare Black Dhole Skin, 40 Village population
Level 2: 35 North Cedar, 25 North Black Rock, 20 North Clay, 1 Rare Two Horn Rhino Skin, 50 Village population

Roshani's hut
Level 1: 25 South Maple, 20 South Stone, 15 South Rock Dust, 2 Rare Red Elk Skins, 40 Village population
Level 2: 50 South Maple, 40 South Stone, 30 South Rock Dust, 2 Rare Red Bitefish Skins, 50 Village population

Master Tracker
Complete 5 "Beast Kill" quests.

Look for the orange paw print on your map, travel to it and start the beast kill.

Quickdraw
Eliminate 15 enemies using throwing shards.

This achievement is unlocked by utilizing thrown dagger/shard weapons in order to kill 15 enemies. This is the weapons you can craft after recruiting Wogah.

Bullseye
Kill a target 70 feet away or more using an arrow.

You will need a "Long Bow" for that. The crafting materials can be found in the north of the map in the "brown" zone below snow area. You can do this achievement anywhere on the map. Best places are outpost or bonfires. With Owl identify the target and set a waypoint as range indicator.

Expansion
Capture all outposts.

Pretty straight forward, not additional explanation needed.

Crush Your Enemies
Complete 10 "Tribal Clash" quests.

On your map look for the skeleton icon, then go start and complete one 10 times.

Mark 4 Wenja
Discover the future past.

you have to enter a cave which is also the Far Cry Blood Dragon Easter egg. The cave is marked with a "?" symbol on the map.

Bad Trip
Influence 25 enemies using poison.

This achievement requires you to drive 25 enemies mad using poisons. This can be achieved in two different ways. The first is through throwing Berserk Shards at opponents and hitting them or use berserker bombs.

Inflammable
Eliminate 50 enemies with fire.

Light your arrows on fire and shoot the bodies of the enemies you attack. The burn damage should kill them and it will count.

Tears of Shame
Kill and skin 1 tamed beast.

Tame a smaller beast (Dhole or a wolf) after you tame the best, kill it and let it bleed out then skin it.

Kanda Of Faith
Climb to the peak of Pardaku Lookout and leap off.

The Pardaku Lookout is located in the south of the Piki Meat Outpost. If you look on the map, you see in the brown area a mountain with snow and on the left side of this mountain a little lake.

Expert Wenja
Learn all skills.

You need all the survival, gathering, beast master, hunting, fighting, crafting, udam, and izila skills

Cave Hoarder
Pickup 80 collectibles.

Collectibles are marked as "blue markers" on your minimap.

David And Goliath
Eliminate 10 enemies using a sling.

After getting Jayma to join the village you will be able to craft the sling. Use it to eleminate enemies.

Gotcha
Eliminate 10 enemies using hunting traps.

This is a very simple achievement; once you get the trap from Wogah, just lay it down when you see melee'ing enemies. The enemies will run straight for you and get caught.

Right On Target
Kill a target 50 feet away or more using a spear.

you can do this everywhere on the map, the best places are outposts and bonfires. Use your Owl to identify targets and set a waypoint as range indicator.

Apex Predator
Obtain all the Achievements.

Self explanatory.

TOP OF THE FOOD CHAIN
Finish the game in Survivor mode (Any difficulty).

Self explanatory.

TOP OF THE FOOD CHAIN (2ND CHANCE)
Finish the game in Survivor mode (Any difficulty) and the Second chance option activated.
Self explanatory.

TOP OF THE FOOD CHAIN (PERMADEATH)
Finish the game in Survivor mode (Any difficulty) and the Permadeath option activated.

Self explanatory.

TOP OF THE FOOD CHAIN (PERMADEATH)
SURVIVAL OF THE FITTEST

Self explanatory.