Based on Dick Francis' thriller, you play the part of Jonathan Derry, Physics Teacher at East Middlesex Comprehensive. For reasons which will become clear as you progress, you become the custodian of a set of cassette tapes and it is up to you to find out what they do.
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Very neatly presented and pleasing, but the player needs to know the book to solve some puzzles, as the plot follows it, so it's not standalone as an adventure. Also, going places by car is annoying due to the needlessly confusing connections and the tiny petrol tank. The authors were likely taking a shot at how frustrating it is to drive in Britain (fair enough), but the player is likely to be more vexed than amused at it.