Here is the full list of all 21 AWAY: The Survival Series achievements.
Explore the cave
Discover all the Holograms
Finish the tutorial
Glide for more than 1 minute
Finish all the side quest
Eat 100 Raspberries
Find half of the holograms
Reach the lowest point
Finish the story in Medium mode (Adventurer)
Finish the story in Easy mode (Explorer)
Hunt 10 Lizards
Beat the Black Mamba
Collect all the Desousa Podcast
Reach the highest point of the map
Eat 10 spiders
Unlock all the skill tree
Crawl 10 meters as a snail
Posses all playable creatures
Achieved all the stunts
Discover all the Apwete Manduski artifacts
Discover all the BoilUp artifacts