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