Hello! We have added new graphics and in-game items for ball's customization. It is free to use, but you must have more than 4 hours in ArcBall. Also we have deleted all achievements in by reason of a limit of 100 achievements and we are going to add new soon.
ArcBall update for October 31, 2018
Graphics in-game items update
View all patches · Build 3265216 · Last edited March 15, 2019 – 17:27:56 UTC by 
Wendy
Patchnotes via 
Steam Community