Here is the full list of all 44 Heavens Vault achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
All things must come to an end...
Leave the Past Behind
What is this place...?
The pigs have something to say after all...
A moon of deals and spices
A new friend!
I lost my friend.
Completed 30 Translations
Learn 50 Words
Completed 20 Translations
An ancient Empress lies buried...
Meet a survivor
A name from the past...
Pay your last respects
Learn 30 Words
Completed 10 Translations
An ancient voice
Meet a mechanicist
Meet a bartender
Meet a thief
Home
Learn 5 Words
Learn 10 Words
Learn 20 Words
Completed 3 Translations
Completed 5 Translations
Meet a friendly scholar
A moon of fresh air and pigs
Another robot to add to the collection...
Learn 1 Word
Learn 3 Words
Completed 1 Translation
Leave Everything Behind
Things will never be the same again...
A friend has found a place to hide.
A spot of burglary
Bring a new student to the University
Meet an injured labourer
New game plus!
Pilgrims are welcome
It's only business...
Discover something priceless - and keep it secret
Seal the University
A legend from the Old Sea