Knightmare is a computer game released by Activision in 1987 for various 8 and 16-bit computer formats. including Amiga, ZX Spectrum, Amstrad CPC, Commodore 64 and Atari ST. It was written by Mev Dinc, J.P. Dean, E.M. Dean and Nick Cooke, and is based on the Anglia Television show Knightmare.
Knightmare was the first of two licensed games based on the show. Four years later, Mindscape would release an entirely different game (also called Knightmare) for the ST and Amiga formats only.