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