Vaporware refers to tech products promised but never released. Examples include the Xenix operating system, Amiga Walker ...

Mind Walker (1986) One of the first games ever released for the Amiga was a quirky gem called Mind Walker , written by Bill Williams and published by Commodore itself.

The Walker was a modest iteration on the Amiga 1200. It bumped the CPU from a 68020 to a 68030 running at 40Mhz, kept the 1200’s AGA graphics chipset, and added an integrated CD-ROM drive.