Full list of all 31 Outer Wilds achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 17 achievements, and there is 1 DLC pack containing 14 achievements.
Raft around the Stranger in under 90 seconds.
Render the Deep Space Satellite inoperable.
Ride the face of the wave for at least 15 seconds on a raft.
Attempt to use the second artifact prototype. Curiosity killed the cat, but a time loop brought it back.
Swim through the dam grate. Not everyone makes it!
Stand your ground beneath a moving chain elevator.
This knowledge isn't going to forbid itself!
Reach all 3 Forbidden Archives in a single loop without getting caught.
Be woken up from a dream 5 different ways in a single loop.
Attempt to use the artifact at a normal campfire. Well, that settles that!
Shoot the Little Scout at the artificial sun in the Stranger.
Yahaha! You found me!
Escape your pursuers by jumping to your "death" instead of dodging past them.
Have your spine adjusted by a pursuer.