Remember my son buying the Gremlin Graphics computer game "Monty Mole" for his Sinclair Spectrum, the computer games of the time required a cassette tape player to load onto the computer, a bit hit and miss! sometimes taking several goes to load.
Calendar the local ITV news program did a feature on Gremlin Graphics and their "Monty Mole" game (said to be inspired by the miners strike of 84) featuring King Arthur's castle
And from the Times of 84 this article!