Here is an adventure full of rather abstract but deviously logical puzzles - the sort that almost defy solution, yet are manifestly obvious with hindsight.

Set in the caves beneath Folly Hill, inhabited by the dreaded Faringdon Fiend, you start off trapped in the middle of a pentagram. Step out of it, and the fading sounds of Fiendish laughter will be the last thing you hear. To make matters worse, you are carrying nothing to start with! Or does that, perhaps, actually help?

Even leaving the pentagram does not really get you underway, for now the booby-trapped crack in the wall disappears, really leaving you with nothing! But there are clues all around, if only you take the trouble to look for them, and recognise them as such. Next, a breath-taking sideways logical step is required to, unlikely though it may seem, apply the same rules to all that flows from your first big discovery!

If that sounds vague and complicated, all I can say is, you will understand what I mean when you've achieved it in the game!

Being a game written by a Fiend, it is not surprising that it is populated with demons, each complete with vicious fangs and claws, ready to tear you to shreds at the slightest of false moves. Each can be satisfied with the object of his desires, but it is you who must discover exactly what that is, and then produce it from somewhere!

This is a GACed adventure with graphics which are hardly Magnetic Scrolls' standard, but they do have meaning, and they contain clues. On the reverse side of the tape is Fiend music, which to be appreciated to the full, should be played on a system with a bit of power, and turned up to full volume, whilst you are struggling through the game.

For those Valley readers not in the know, The Field, author of this diabolical piece, has a regular spot in the adventure column of our sister magazine, Computer & Video Games. Having plagued me with sarcastic and insulting anonymous letters for over two years, his venom has now been turned around to complain about the worst in adventure, and insult software houses, chain stores, and fools, which he refuses to suffer gladly. He does with as much relish as when he is devouring a maiden.

A full solution is enclosed with the game - but being written by a Fiend I suspect it is designed to sap the morale of the player, rather than give him a helping hand!

If you enjoy an exercise in pure logic, at £3.99 this shouldn't fail to please.

Beneath Folly is available mail-order from: The Fiendry, Elm Road, Faringdon, Oxfordshire.