Here is the full list of all 12 NeonBall achievements.
Play Neonball for the first time.
Complete all the tutorials.
Watch the credits, thanks for taking a look at the credits.
Complete all the challenges.
Complete all the labyrinths.
Complete all the arenas.
Obtain gold medals in all the challenges.
Obtain gold medals in all the labyrinths.
Obtain gold medals in all the arenas.
Obtain gold medals in all the tutorials.
Jump 500 times.
Die 10 times on the same level.