Here is the full list of all 31 orbt xl achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Unlock Plumbish
Unlock ThatsnotaMoonish
Unlock Blackholeish
Unlock Dogeish
Unlock Pixelish
Earn 75 Points in a single round
Earn 70 Points in a single round
Earn 65 Points in a single round
Earn 60 Points in a single round
Earn 55 Points in a single round
Unlock Borgish
Unlock Sunish
Unlock Neptunish
Near Miss a total of 50 Obstacles!
Unlock Uranusish
Unlock Saturnish
Earn 50 Points in a single round
Unlock Jupiterish
Unlock Marsish
Unlock Moonish
Unlock Venusish
Unlock Mercuryish
Earn 45 Points in a single round
Earn 40 Points in a single round
Earn 35 Points in a single round
Earn 30 Points in a single round
Earn 25 Points in a single round
Earn 20 Points in a single round
Earn 15 Points in a single round
Earn 10 Points in a single round
Earn 5 Points in a single round