It was founded by Peter Calver and Pearl Wellard to develop and publish software primarily for the Commodore PET.

A text-adventure game based on the Douglas Adams book Hitchhiker's Guide to the Galaxy was withdrawn following legal action.

In 1987 Supersoft released Microvox, a high-quality digital sampler for the Commodore 64 which, with its accompanying software was developed by Andrew Trott.

While only hundreds were sold (the device cost more than the computer), many were used by serious musicians and in professional studios, and one was supplied to Feargal Sharkey, the former lead singer of the Undertones.

[3] The original program had been rushed out to compete with an earlier spreadsheet for the Commodore PET called Simplicalc, which was also written in BASIC.