Here is the full list of all 19 The Wild Eternal achievements.
Safely fall for over 100 meters total.
Jump horizontally 20 meters or more.
Teleport a lot.
Befriend a lot of rats.
Share food with an animal that already likes you.
Jump with the pogostags.
Read 10 Waystones.
Find a way into the cave.
Slide safely for over 100 meters total.
Attune your compass to a distant waystone.
Read 10 books/notes.
Run for 200 consecutive meters.
Harvest moss from every crystal.
Gather maximum fruit and moss.
Talk to 5 Fettered Souls.
Make a lot of oil globs.
Make a huge glob of oil.
Sit with the bears.
Walk for over 100,000 meters total.