http://www.gog.com/game/gray_matter Reclusive neurobiologist Dr. David Styles conducts all of his research from his home, the Dread Hill House. His new assistant, Samantha, suspects that the doctor's experiments are not as innocent as they appear. What is Dr. Styles' true aim? Legendary game author Jane Jensen tackles questions concerning the nature of reality and the power of the human mind in this mystery adventure. The elements of science and supernatural are combined with Jensen's acclaimed emphasis on character and story to create an unprecedented paranormal experience that will keep you riveted until the very end.