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