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