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