Here is the full list of all 38 A Dream of Burning Sand achievements.
Win on normal difficulty.
Win on hard difficulty.
Win on harder difficulty.
Win the game without praying at any temple.
Win the game without using any potions or pills.
Find and open a treasure chest.
Find and open seven different treasure chests.
Find and open thirteen different treasure chests.
Pray in a temple.
Pray in seventeen different temples.
Pray in all temples in the game.
Play Zynx.
Win all 50 levels of Zynx.
Win the game without picking up any lantern.
Find and open all eighteen treasure chests in the game.
Win on hardest difficulty.