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