Full list of all 31 Outer Wilds achievements worth 1,870 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 17 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 14 achievements worth 870 Gamerscore.
Manually fly to the Sun Station.
Reach the Eye of the universe in one loop.
Complete the ship log.
No going back.
End a time loop (Alive) after having taken (and healed) over 1000 damage.
Bring an artifact back to the museum.
Enter Giant's Deep ocean fast enough to break through the current.
You tried to escape the solar system.
Launch your ship with a gravity cannon.
Use your suit's oxygen in an ill-advised manner.
Destroy the Model Rocket by flying into the sun or Hollow's Lantern.
Land the model rocket on Attlerock.
De-orbit the Hearthian satellite.
Die within 60 seconds of waking up.
Press the ejection button in the ship.
Pick up all traveler instruments simultaneously with your signalscope.
Eat 10 burnt marshmallows.
Hidden Achievement