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