Rustin' Robot by Riko + Tony West

Compunet was a United Kingdom based interactive service provider, catering primarily for the Commodore 64 but later for the Commodore Amiga and Atari ST. It was also known by its users as CNet. It ran from 1984 to May 1993. There was a large group of people who made demos and uploaded specifically to compunet. More information on Wikipedia.