It started life as a pull-out section in Atari User magazine.
From April 1987[1] onwards it became a magazine in its own right (as explained on page 5), outliving its parent by a number of years.
It was published initially by Database Publications in Stockport, and later by Europress in London.
The Cover Disk that was supplied with issue 59, cover dated January 1991 had a boot sector computer virus which infected the memory of the Atari ST and was written to other disks that were not write-protected.
Issue 60 had a free games cover disk as an apology, and was supplied with a virus killer.