I remember them being bloody hard, or at least had some very obscure solutions to the puzzles.
They were indeed. At a booksigning in Sheffield Meadowhall (many, many years ago now), I said to the man himself that I was stuck on the game (the first one), and while he signed a copy of Mort he told me how to get past the bit I was on and then added that I "must be playing like a turnip"!
They really were tricky in places though - made many other point 'n clicks look ridiculously easy.





The first two created the universe and sowed the seeds for the humour to grow into them. They have to be read to get an understanding of how Discworld develops into what it is now.