No missable achievements (plus 14 unknown)
Sign in with Steam or Xbox to track your progress, and:
Collect your first relic.
Unlock your first airframe.
Encounter the Sunfish.
Cut down a hanging garden or Windcatcher.
Fly into a world's sun.
Visit your companions.
While breaching the water from dive mode, pass over land before entering the water once more.
Encounter the Flock.
Encounter the Leviathan.
Encounter the Warden.
Encounter the Serpent.
Unlock each world's signature airframe.
Collect 27 relics throughout the Inverse.
Pollinate the Accordion Blooms in the Sunchamber.