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