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