Here is the full list of all 45 Children of Morta achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Construct Ben's wine machine.
Bring back 15 souvenirs from the dungeons.
Kill 250 ferocious enemies.
Upgrade 75 times in the workshop.
Unlock all family traits.
Find 10 secrets.
Complete 10 in-run events.
Find 20 journals.
Kill a boss without receiving damage.
Complete 10 challenge rooms.
Find 10 divine items in a single dungeon.
Unlock all family traits of a Bergson.
Reunite the automata.
Save the wolf cub.
Kill a boss with every playable character.
Resolve 20 puzzle events.
Defeat OU.
Upgrade The Book of Rea 15 times.
Free Anai-Sarava.
Have 20000 Morv.
Complete 5 in-run events.
Have 3 runes equipped simultaneously.
Free the blackmarketeer.
Upgrade 25 times in the workshop.
Bring Hope into the world.
Kill 5000 enemies.
Unlock a family trait of three different Bergsons.
Shelter the stargazer.
Free Anai-Raha.
Free the runemender.
Unlock all playable characters.
Rescue Mary.
Kill 100 enemies using hazards.
Kill 50 ferocious enemies.
Gain each obelisk effect at least once.
Upgrade The Book of Rea 5 times.
Free Anai-Dya.
Use 5 charms in the same dungeon run.
Revive 5 times in co-op mode.
Upgrade 10 times in the workshop.
Unlock a family trait.
Finish a dungeon in co-op mode.
Defeat the Spider King.
Free the shopkeeper.
Investigate the shrine of Rea.