 Digital Fantasia operated a mail order service and software shop, staffed by family and friends.The Mysterious Adventures titles were later ported to the Acorn Electron, Atari 8-bit, Commodore 16 and, with added graphics, to the Commodore 64 and ZX Spectrum and released by Channel 8 Software and later Paxman Promotions.Howarth also created games based on the film "" and the TV shows "Robin of Sherwood" and "" in 1985.