Here is the full list of all 36 Conan Exiles achievements.
Reach the skies above the Exiled Lands
Defeat the Undead Dragon
Defeat the King Beneath
Craft an Exceptional or Flawless item
Defeat the Kinscourge
Put an enemy in the Wheel of Pain
Create your first building
Fall for 3 seconds without dying
Defeat the Sewer Abomination
Reach the highlands
Complete the first chapter of the Journey
Reach the volcano
Defeat Hrungnir of the Frost
Defeat the Giant Crocodile
Kill something by standing on its head
Defeat the Giant Spider
Sleep on a bed or bedroll
Get a Dedicated Weapon
Use a religious altar
Reach level 10
Reach level 20
Reach level 30
Reach level 40
Reach level 50
Reach level 60