The Secret of Grisly Manor is an adventure game for the iphone (ipad, ipod touch) from Joe Kauffman. In the back story, Grandpa always was a little eccentric. He was always buried in his work as a fantastic engineer, he always come up with new ideas and inventions that as a child held you, his grandchild, wide-eyed in awe and fascination. After many years, you return to the house that holds so many fond memories for you and one promise from Grandpa is about to be fulfilled, something truly amazing.
Moving forward to the topic which is the guide for this game, here is a full video of
Grisly Manor walkthrough showing us some step by step guide.