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