Here is the full list of all 27 Starsand achievements.
Find all Chronicles
Kill 3 aliens with a single explosion
Check what lies at the bottom of the lake
Wear the Gods Suit
Find all locations
Repel the swarm of flies with a torch
Cut down 20 canapa plants
Find all oasis
Explore the pyramid
Place 10 markers or turrets on the map
Complete the tutorial
Experience death for the first time
Survive 1 day in the desert
Ride a camel
Get a running go and jump in the water from a height
Drink too much water
Wear every piece of armor
Survive a week without eating animals
Kill 35 aliens
Kill 15 aliens using traps
Find the credits stele
Cook all the recipes
Burn the nest
Kill 60 aliens with the Seeder rifle
Follow your destiny through the portal