Here is the full list of all 16 Wormhole achievements.
Reach the end of the Forest.
Reach the end of the Mountains.
Reach the end of the Volcano.
Reach the end of the Desert.
Reach the end of the Ice Cave.
Reach the end of Space.
...but at what cost?
Think you can go faster?
Found a remnant of the past.
Find all the remnants of the past.
Fall into a portal 250 times.
Fall into a portal 500 times.
Fall into a portal 1000 times.
Jump or Dash 1000 times.
Jump or Dash 2500 times.
Jump or Dash 5000 times.