Here is the full list of all 18 Fidget Spinner In Space achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Choose green spinner
Choose purple spinner
Pick up first alien
Collide with an one type of asteroid
Collide with an two type of asteroid
Collide with an Russian UFO
Play on blue planet map
Play on purple planet map
Start the game
Collect 5 aliens head
Collect 47 aliens head
Collect 88 aliens head