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