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

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Background music by torogadude

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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

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Levels created by users as self attributed

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