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