You find yourself in an old, abandoned school. You thought you were completely alone here, but it turns out that an evil monster also lives here – it resembles a nun. She used to be kind, but at some point, she went mad and now attacks all the living, especially children. You need to solve the mysteries of this creature and also get out of the school. You have a total of five days and if you fail to do so, you will lose. The game has many mini-games, riddles, and puzzles to solve.