[From the back of the box]: PERSONAL NIGHTMARE IS NOT JUST AN ADVENTURE BUT A NEW EXPERIENCE. Good clean inoffensive Horror. Written in our specially developed language 'Agos'. The adventure boasts more than 500 sequences of animation, 600k of digitised sound, plus a greater depth and intrigue than has been seen before in any other interactive adventure. (...) The whole game is active no matter where you are in the adventure - Continuing your very own Personal Nightmare.