E-Motion, also known as Sphericule or The Game of Harmony, is a 1990 puzzle game developed by The Assembly Line and published by U.S. Gold in Europe and Accolade in North America for the Commodore Amiga, Amstrad CPC, Atari ST, Commodore 64 and MS-DOS. ZX Spectrum and Nintendo Game Boy version were developed by The Code Monkeys. More information at Wikipedia.