www.jupiter-ace.co.uk

ISP appear to be a software retailer who also ran a club for regular software buyers. For an annual subscription you could claim a discount on future purchases.

The Jupiter ACE titles offered seem to those produced the Hit-Tech note that the prices were considerable more than purchasing then direct from Hi-Tech. In the ISP advert there seems to have been an error on one of the titles being call 'Micro Haze' which should have been 'Micro Maze'

• Micro-Maze - supplied by Hi-Tech (Ralph Hilton)
• Space Battle - supplied by Hi-Tech (Ralph Hilton)
• Ace Invaders - supplied by Hi-Tech (Ralph Hilton)
• Cavern Attack - supplied by Hi-Tech (Ralph Hilton)