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.
Moved undetected amongst the shades.
Collected all the outfits.
Reassembled all the emblems.
Completed the lost lullaby.
Reunited with the white shade.
Collected all the toys.
Peeked through all the keyholes.
Respected the past.
Turned your back to the truth and persevering lead you nowhere.
Completed the labyrinth without making a sound.
Didn't smash the eggs.
The higher, the funnier!
Tried to wake up the lost Sentinel.
Reunited the family.
Accepted things as they are.
Hit your lowest point.
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.
Found the shark.
Used only one bubble in the underwater cave.
Broke lots of jars.
From victim to victor.
The other way was safer.
Lit many lights.
Left denial behind.
Brought light to the labyrinth of darkness.
Found a nice resting place.