Slide Tilt Roll is © 2016 Eric L Ball, all rights reserved

Background music by torogadude

Ball texture "Cream Marble" by Giles Hodges

Background starscapes from the NASA Hubble Space Telescope Image gallery

All other artwork created by Eric Ball using Persistence of Vision Raytracer v3.7

Levels created by users as self attributed

Thanks to the many individuals on the Internet who have freely provided iOS & Swift programming information