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
Defeat the Undead Dragon
Defeat the Giant Spider
Defeat the Kinscourge
Defeat the Giant Crocodile
Reach level 60
Reach level 50
Reach the volcano
Defeat the Sewer Abomination
Defeat the King Beneath
Craft an Exceptional or Flawless item
Put an enemy in the Wheel of Pain
Reach level 40
Fall for 3 seconds without dying
Create your first building
Use a religious altar
Reach the highlands
Sleep on a bed or bedroll
Complete the first chapter of the Journey
Reach level 30
Reach level 20
Get a Dedicated Weapon
Reach level 10