Gravewood High looks like a regular school at first sight. But if you stay here a bit longer, you’ll notice that strange things happen in this building. One of the teachers is a maniac capturing children inside after dark and chasing them all over the place. The whole things gets even scarier when you realize there are mystical powers at play here. Now you have to figure out a way to survive in this nightmare, all while avoiding your enemy who seems to be a devil in disguise. You have until morning to get out of school. It won’t be easy, there are many dangers and riddles waiting for you ahead. Will you be able to cope with them?