Anchorhead

Horror interactive fiction game, heavily inspired by the works and writing style of H.P. Lovecraft, particularly the Cthulhu mythos. Anchorhead takes place in a fictional New England town of the same name, where the unnamed protagonist and her husband, a professor and aspiring writer, have relocated to in order to take possession of his ancestral family home. (wikipedia.org) Written in Inform 6 for the Z-Machine interpreter.