Key authored video game software for the Acorn BBC Micro, Electron and RISC OS platforms in the 1980s and 1990s.
He is also credited with additional programming routines in FedNet's futuristic flight combat game Star Fighter 3000 (1994),[3] and authored Party Machine for the Amstrad CPC.
golf simulator, Steve Botterill (co-founder of The Fourth Dimension) referred to Key as being "one of the most brilliant programmers" he had ever met.
[4] In an interview in the November 1988 issue of The Micro User, Key explained that his development as a programmer began for pleasure, modifying existing games.
At the time of publishing Clogger, he was learning ARM assembly language in addition to setting up a vehicle restoration business for old buses.