HD version exists and will be released at some stage.
Available for Windows, Linux, NetBSD, AmigaOS4, MorphOS, AROS, Symbian, Dreamcast, Pandora, Wiz, Caanoo, Motomagx.
 Based on Sqrxz, made in 1996 for MS-DOS by Marcus Vesterlund and for Windows 9x by John Holmvall.  Sqrxz Amiga OCS was released at Demodays 2012.  Official website: http://www.sqrxz.de/