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