Here is the full list of all 31 RiME achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Move undetected amongst the shades.
Reunite with the white shade.
Collect all the outfits.
Collect all the toys.
Reassemble all the emblems.
Witness the resting place of the once mighty.
Peek through all the keyholes.
Be faster than the Sentinels.
Use only one bubble in the underwater cave.
Complete the lost lullaby.
Try to undo a mistake.
Break the five strange statues.
Find the shark.
Turning your back to the truth and persevering will lead you nowhere.
The other way was safer.
Complete the labyrinth without making a sound.
Don't smash the eggs.
The higher, the funnier!
Try to wake up the lost Sentinel.
Reunite the family.
Throw something as far as you can.
Accept things as they are.
Hit your lowest point.
Pay it forward.
Respect the past.
From victim to victor.
Break lots of jars.
Lit many lights.
Leave your comfort zone.
Bring light to the labyrinth of darkness.
Find a nice resting place.