Here is the full list of all 161 Hyspherical 2 achievements.
Completed with 3 stars
Destroy 500 spheres
Create 1000 spheres
Complete all levels in Japan scene with 3 stars
Create 500 spheres
Create 300 spheres
Destroy 100 spheres
Create 100 spheres
Completed
Complete all levels with 3 stars
Complete all levels in Forest with 3 stars
Complete all levels in Country scene with 3 stars
Complete all Bonus levels with 3 stars