Here is the full list of all 31 RiME achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox One.
Reassembled all the emblems.
Found the shark.
Respected the past.
Peeked through all the keyholes.
Completed the lost lullaby.
Collected all the toys.
Reunited the family.
Moved undetected amongst the shades.
Reunited with the white shade.
Accepted things as they are.
Hit your lowest point.
Collected all the outfits.
Witnessed the resting place of the once mighty.
Was faster than the Sentinels.
Paid it forward.
Tried to undo a mistake.
Broke the five strange statues.
Threw something as far as you could.
Used only one bubble in the underwater cave.
Turned your back to the truth and persevering lead you nowhere.
From victim to victor.
Broke lots of jars.
The other way was safer.
Lit many lights.
Left denial behind.
Completed the labyrinth without making a sound.
Brought light to the labyrinth of darkness.
The higher, the funnier!
Found a nice resting place.
Didn't smash the eggs.
Tried to wake up the lost Sentinel.